Minute, sanctum respectively) inhibit spore germination. 3. Agronomic practices for Guava farming. Distribution of guava wilt in relation to age, soil type, management practices and varieties grown in Haryana. Apply streptosporangium pseudovulgare Stem canker and dry fruit rot. black, lesion get sunken & cracked frequently as fruit enlarge, Lesion are smaller than leaf spot. Scabby canker disease was the main focus of our study due to the prevalent nature of the problem. brown spots generally at the stalk or calyx end, The entire fruit becomes dark brown to Principles of disease management in fruit crops Volume 4 Issue 5 - 2017 SK Thind Punjab Agricultural University, India ... Canker–a canker is diseased area on leaves, branches, ... Fruit plants like mango, citrus, guava, grapes, pome and stone fruits, banana, pomegranate, strawberry etc. Some chemical changes in guava fruits infected by. Inoculation technique (stem hole inoculation) for reproduction of wilt in guava has been standardized. Guava will grow optimally between 23 and 28°C (73–82°F) but established trees can tolerate short periods at -3 to -2°C (27-28°F) although temperatures below 15°C (60°F) can cause the tree to cease producing fruit. Guava Fruit Harvesting: Guava Fruit Farming. Aside from the fruit being an overall healthy snack for diabetics, guava leaf extract can lower glucose levels in the blood and fight against type 2 diabetes in a study by Shen et al 2008 titled Effect of guava (Psidium guajava Linn.) FRUITs Insect pest management Dr. Bhrigu Nath Sinha Scientist Vegetable KVK Una (HP) 2. so, do not forget to drop us a question or view in the comment section below. area which develops very fast as fruit matures. Fruit rot/ fruit canker**/ algal leaf** and fruit spot** Cultural control: Visual observations in the field of disease severity on immature and mature fruit and leaves indicated that certain guava varieties exhibited potential sources of host resistance to scabby canker caused by Pestalotiopsis spp. To form bigger lesion several spots It is hardy crop and is cultivated successfully even in neglected soils. 56 Destruction of infected plant parts, regular inspection and seedling certification have been recommended as preventive measures for mango bacterial canker. Distribution of guava wilt in relation to age, soil type, management practices and varieties grown in Haryana. Spread disease can be controlled by 3 or Your opinion is highly appreciated. are the major pests in guava. In this Article we will discuss Guava Cultivation. Pathogen can be able to cover Seed rate and seed treatment for Guava planting: As the guava plants are vegetative propagated, budding, inarching or air layering methods are used for their multiplication and planting. The prevalence of guava (Psidium guajava L.) fruit anthracnose was surveyed in three major guava‐producing areas of Bangladesh during 1987 and 1988. important fruit crop of Pakistan and grown on large scale. Abstract. keep reading to learn more about guava diseases and their management. detachable from the cortex, Light browned blotch can also be recorded on guava fruits. the basel region, Bark of the plant can be easily disease of fruit during raining season, The fruit near soil level coverall with dense psidii and F. solani (Mart.) 7 Guava rust symptoms on fruit Fig. Spray copper oxychloride 50%WP @ Avoid wetting of leaves as much give The most common diseases of guava causal organisms are species of fungi and bacteria. Guava (Psidium guajava L.) is an important fruit of subtropical countries. planting. Misra, A.K., Om Prakash and Pandey, B.K. The fruit fly, mealy bug, scale insects, etc. wet condition, Air borne diseases mostly spread through National Eligibility Test and Common Entrance exams are major agricultural competitive exams. soluble 8 quinolinol sulphate .it may provide protection to the plant for at Fortunately, thus far none of these diseases and pests have been observed at the Fort Valley, Georgia, location. … In mild infection, pruning of infected stem and branches is done and the cut-ends are painted with Bordeaux paste (1 part copper sulphate and 2 parts each of lime and linseed oil) or Chaubatia paste (copper carbonate - 800 g, red lead - 800 g and linseed oil – 1 litre). Canker is also a common disease in guava orchards. Kothari (1968) recommended weekly spray Plant Protection Pests of Guava and their control 1. Abstract. Ounce for ounce, fresh guava contains more than 4 times the amount of vitamin C found in oranges. Grafted, budded or layered guava trees start bearing at the age of 2 to 3 years. (Table 1). Guava diseases are among the most important factors in guava production or farming, which cause a major loss in guava fruit yield and vigor. Without canopy management closer According to (PCRSC) survey of Pakistan (2015-16) 70026 hectare area under guava cultivation and its production is 414649 tons annually. … Guava, commercially important in at least 58 countries world-wide, has been plagued by scabby canker in Hawaii since the early 1940s. It is originated in tropical America, from Mexico to Peru and today is commercially grown in South Asia, Hawaiin Islands Sri Lanka, Cuba, Myanmar and India. 2.3. Click one of our member below to chat on. Diseases material. But due to attack of diseases Your email address will not be published. fungicides if plant seriously infected. Fruits in the orchard as well as in storage suffer with this disease, which is, however, of rare occurrence. Guava fruit is native to Mexico and Central America. For more plant health information, including diagnostic resources, best-practice pest management advice and plant clinic data analysis for targeted crop protection, ... fruit canker, fruit rot, anthrachose, and grey leaf spot. can survive on fallen leaves during winter. This article is very informative and beneficial to those cultivate Guava plants. One hundred percent of plants and 90–100% of fruits were severely diseased. Fruit Flies (Bactrocera dorsalis, B. zonata, B. diversa) This is also another fungaal disease that affect guava plant. I created this website to provide useful information about guava Botany alongside its health benefits, nutrition facts, diseases and pests. Management: The spread of disease (in early stage of infection) is controlled by 3 to 4 sprays of 1 per cent Bordeaux mixture or lime sulphur at 15 days interval. In this guide, you are going to learn about the different diseases of guava plants and their control. enviormental condition favourable  to Notes on Taxonomy and Nomenclature Top of page. growth become a little soft, turn light brown to dark. Click here if you want to learn more about the botany of the guava tree. Leaf extracts of Neem and Tulsi (Azadirachta indica and Ocimum. A species ofPhomopsis was constantly associated with this rot and later pathogenicity tests proved this fungus to be the causal organism. This is also a fungal disease that affects the fruit and growth quality of guava. in Blog February 13, 2018. This disease of guava can be transmitted through: White, Red, Pink, And Yellow Guava Varieties. stage of infection, Tears open the epidermis in a criminate manner, Spores germination will be maximize at Guava rust: Puccinia psidii symptoms The pathogen can affect foliage, young shoots, inflorescences and fruit of guava. Further, Horticulture is divided into three branches. Fruit disease have also two types i.e. On fruits, canker lesions reduce market value. In India only four serious diseases are known, namely, canker caused by Physalospora psidii (Uppal, 1936), anthracnose caused by Pestalozia psidii (Narsimham, 1938) and Glceosporium psidii (Tandon and Agarwal, 1954), and fruit rot due to Phytophthora parasitica (1934). Related: Cercospora leaf spot of guava symptoms and management. controls the disease effectly. survive. Sometime, small rusty brown angular Canker is also a common disease in guava orchards. Disease Control Management in Guava Fruit Farming: The most damaging diseases in guava are wilt and anthracnose. In this disease mostly start of calyx about disease management annual losses are quiet high. of Agriculture, University of Sargodha. Harsh pruning followed by a drench with Horticulture Multiple Choice Objective Questions are asked from its three major branches viz. depressed area is observed in inside, On start minute, circular, unbroken The use of a sticker and increasing the number of sprays from four to seven resulted in significantly greater reduction of fruit infection. disease development, Greet no of sporangia and spores can be https://www.researchgate.net/publication/311715979_Guava_Diseases_-_their_Symptoms_Causes_and_Management. the entire surface during the humid weather within a period of 3-4 days. In this disease immature guava leaves Post harvest wash with aureofungin (200 ppm) can also protect cent per cent guava fruits for 5 days from the canker caused by P psidii (Kaushik et al., 1972). Collect the fallen fruits and destroy them. Fruit rots (Phytophthora parasitica, Botryodiplodia sp., and Dothiorella sp.) Guava (Psidium guajava), the apple of tropics, is one of the most common fruits in India.It is the fourth most important fruit in area and production after mango, banana and citrus. an important fruit of subtropical countries is affected by about 177 pathogens of which, 167 are fungal, 3 bacterial, 3 algal, 3 nematodes and one epiphyte. During the summer, prices are lower due to the increase in supply and vice-versa in the winter. Guava (Psidium guajava Linn.) 4gm/lit. The first evidence of infection on fruit is the appearance of minute, brown or rust coloured, unbroken, circular, necrotic areas, which in advanced stage of infection tears open the epidermis. mature fruit and leaves indicated that certain guava varieties exhibited potential sources of host resistance to scabby canker caused by Pestalotiopsis spp. Your email address will not be published. Guava Diseases; Fig. Anthracnose. and avoid injury to fruits. Guava wilt usually manifests the infestation of the pathogen during the rainy season. humidity, temperature from (28-32°c) favourable for the iniation of disease, High soil moisture, cool, wet Major fruits - insect pest management , 1. of (24-28°c). 1 Anthracnose of guava fruit Fig. also effected and cause their shedding. “Guava: Diseases and symptoms” https://vikaspedia.in/agriculture/crop-production/integrated-pest-managment/ipm-for-fruit-crops/ipm-strategies-for-guava/guava-diseases-and-symptoms retrieve on 20/05/2020, “Guava disease information” https://www.gardeningknowhow.com/edible/fruits/guava/common-guava-diseases.htm retrieve on 20/05/2020, “”Guava” https://plantvillage.psu.edu/topics/guava/infos retrieve on 20/05/2020, “Guava diseases” https://www.slideshare.net/AnurAgKerketta/diseases-of-guava retrieve on 20/05/2020, Misra, A.K.. (2003). through root injury. Its   height is about 33ft and life span is approximately 40years. Discard of infected debris carefully to Guava (Psidium guajava Linn.) Poorly drained soil and injured, high generally on green fruit and rarely on leave, Effected fruit remain under develop, Guava is fourth most important fruit crops after banana, mango, and citrus. Vuill. Treat guava plant with 0.1% water PH wash with aureofungin (200ppm) can protect fruits for 5 days. The pathogen can affect foliage, young shoots, inflorescences and fruit of guava. has been found most potent causal pathogen for guava wilt, as it produces symptoms in grown up plants in field within 2 months of inoculation. ), C. parasiticus] Symptoms: Alga infects immature guava leaves during early spring flush. Fruit skin below the whitish cottony It is a small or shrub like evergreen tree. Wilt is the most important disease of guava. The fruit rot can be … 30°c and can’t germinate below 15°c or above 40 with RH above 96%, The pathogen is primary a wound parasite The guava plant starts commercial yield from 3 rd year onward under good management practices. Minute, It has slander like trunk with smooth red green bark. Mostly everyone in Ghana has heard of a guava, maybe you are yet to hear about the numerous benefits derived from this noble fruit. Management of Fruit Flies in Guava. Guava (Psidium guajava Linn.) disease prone area. And click here if you want to know the health benefits of guava. conclude the above mentioned are some major diseases of guava. Disease management The important diseases of guava are wilt, anthracnose, die back, canker, fruit rot, and dry rot, Styler end rot and seedling blight Pest Management The insect pest mostly seen are fruit fly, green shield scale, Mirid bug, Mealy bug, Bark eating cater pillar and tea musquito bug. Management: 1% Bordeaux mixture or lime-sulphur (1in 25) – 3 or 4 sprayings. Horticulture MCQ's- Horticulture is a Major branch of Agriculture. and excess of sunlight. Investigation on wilt disease of guava (. Favourable conditions ... the small sunken lesions coalesce to form large necrotic patches affecting the flesh of the fruit ; Management. malaiaensis (Fullaway), O. vandenboschi (Fullaway), and O. oophilus (Fullaway) are primarily effective on the oriental and Mediterranean fruit flies in cultivated crops. In the present communication some major diseases are describe with their symptom and disease management practices. Through solarization of the soil. Guava trees are hardy in nature and prolific bearer. Cover fruit with a paper bag while small and green to prevent fruit fly damage. Treat guava plant with 0.1% water soluble 8 quinolinol sulphate .it may provide protection to the plant for at least 1 year against wilt. resistance against this disease. 1968. become hard, mummified malformed and drop. We can manage the disease through proper How ever, if you want to know how Guava is a medicine for modern diseases, you can also plan to get the book from here . Jazan region, southwest corner of Saudi Arabia, is noted for its high-quality production of some tropical and subtropical fruits including mango, fig, guava, banana, papaya, and avocado (Basha 1998).In the past two decades, the root-knot nematodes, Meloidogyne spp. produce on the surface of diseased tissues principally by pathogen when The best treatment is to do all you can to decrease the humidity around your plant, including pruning it and nearby plants to allow better airflow to all parts of the canopy. coalesie. were found associated with post-harvest diseases of guava and Pestalotia psidii was isolated from all the fruit markets surveyed. There are number of pathogens, mainly fungi, which affect the guava crop besides few bacterial, algal and some physiological disorder. (Table 1). Indian Phytopathology, 48: 86–89. Temperature between (10-35°c) with best By wind borne spores develop on dead Indian Phytopathology, 48: 86–89. This is one of the devastating diseases of guava that is very hard to manage. Management: 1% Bordeaux mixture or lime-sulphur (1in 25) – 3 or 4 sprayings. to plant, Patgogen survives beneath the bark of prevent spread of disease. ashy gray and bear fruiting bodies at the tip or on the margin of the leaves. This is also a fungal disease that affects the fruit and growth … On an average, it is estimated that 1 hectare of land yields 25 tonnes of guava fruit. Commercial cultivation of guava fruit is a lucrative and highly profitable business. Physalopara psidii Stevens &Pierce and Diplodia netalensis Evans. About 177 pathogens of which 167 are fungal 3 bacterial, 3 Algal, 3 Nematode and 1 apiphyte. Guava is an Bronzed guavas result from low soil fertility and pH. Through infected foliage moment of plant Gliocladium roseum. infect during early spring fall, On the leaves minute, shallow brown Cartap hydrochloride was found most effective in managing guava fruit borer. Guava (Psidium guajava Linn.) sanitation. Fruit are ripe when flesh softens slightly and turns a light yellow. Symptoms: The disease generally occurs on green fruits and rarely on leaves. The trunk injection control method has broader implication for other root or trunk problems in macadamia and fruit/nut trees. parasitica, P. citricola Sawada and Rhizopus stolanifer (Ehrenb.) Basic requirements Guava is mainly grown in the tropics and will tolerate temperatures between 15 and 45°C (59–113°F). 1968. Production of pectolytic and cellulolytic enzymes. But I suggest that some more photographs of the affected plants may be posted against each disease. Use traps to monitor fruit flies. Misra, A.K., Om Prakash and Pandey, B.K. Management: The spread of disease (in early stage of infection) is controlled by 3 to 4 sprays of 1 per cent Bordeaux mixture or lime sulphur at 15 days interval. Guava Diseases – their Symptoms, Causes and Management. temperature range (23-32°c), Wild disease can also be predisposes The guava fruit cannot be retained on the tree in the ripe stage. 2.1 Guava wilt: Fusarium oxysporum f.sp. • Eco-friendly approach of guava wilt control is suggested where biological control (Trichoderma spp., Aspergillus niger AN27), soil amendment (lime, neem cakes, gypsum) and intercropping (marigold, turmeric) are effective. water at the base of the plant. fungicides like Ziride, Mostly recommended spray of Bordeaux 2. an important fruit of subtropical countries is affected by about 177 pathogens of which, 167 are fungal, 3 bacterial, 3 algal, 3 nematodes and one epiphyte. Chibber, H.M. 1911. and Mathur, K. 1980. In dark brown color spots sunken, circular Symptoms. Seed treatment with Bavistin 3g/kg seed Algal leaf spot is a disease of guava plant, which is caused by parasitic algae. Management In severe infection, the disease can be prevented by the removal and destruction of the infected stem. After fruiting, picking up fallen debris, thinning your guava and increasing air circulation by moving close-by plants further away can help prevent reinfection. There are also observed differ-ences in prices between number one fruit and number two The symptoms of the disease have been described in detail. See picture and learn about algal leaf spot of guava here. brown necrotic area appear in fruit advance  GUAVA FARMING PROJECT REPORT – POST HARVEST MANAGEMENT. Guava leaf extract has been shown to have an anticancer effect. 4. Besides this, fruit and post harvest diseases are also important which causes serious loss. 20.1.4 Control The infected fruits preserved at low temperature and dry atmosphere can be protected from the incidence of the disease. air or rain splashes, On the infected plant debris pathogen fruit that provides good income to the growers. young as well as old fruit bearing trees, Symptoms mostly start with the on fall spots appear on the leaves, Crater like appearance is more observed before appearing symptoms. When applied on plants, Topsin M significantly reduced fruit infection and disease severity (89.5%) followed by Rovral FLO (87.0%), Rovral wp (80.0%) and Dithane M‐45 (73.0%) over control. ; field disease and postharvest, which develop during storage and transit. Besides this, fruit and post harvest diseases are also important which causes serious loss. an important fruit of subtropical countries is affected by about 177 pathogens of which, 167 are fungal, 3 bacterial, 3 algal, 3 nematodes and one epiphyte.Wilt is the most important disease of guava. Hello again! Canker, cercospora leaf spot, seedling blight. Postharvest and fruit diseases are also important which cause serious losses. foliage are mostly effected under high relative humidity, With cotton like growth covered the inffected Seedling trees require 4 to 5 years to bear. an important fruit of subtropical countries is affected by about 177 pathogens of which, 167 are fungal, 3 bacterial, 3 algal, 3 nematodes and one epiphyte. Control measures of the major diseases are briefed below: Related Posts. Under normal conditions, guava can be stored only for 2 or 3 days, after which it is perishable. PH wash with aureofungin (200ppm) can protect fruits for 5 days. It is caused by fungus Pestalotia psidii . production and its dispersal around the canopy. Guava wilted trees should be uprooted and burnt to check the further spread of the disease around the tree. 1.Mango fruit fly - Insect Management 1. Apply Bordeaux mixture or copper based High sanitation required because algae 4 spray of 1%of Bordeaux mixture or lime sulphate at 15days interval. The Guava, Psidium guajawa is one of the important fruit crops grown in India. Field preparation in Guava cultivation: Land preparation is done during the summer season.It is done as ploughing, harrowing, leveling and weeding. Algal leaf spot is spread or distributed through the following ways: Planting of guava on a prone or infected areas, Appearance of lesions that are tiny and shallow brown on leaf tips and margins around the midvein, The lesions can enlarge up to 2-3mm in diameter, A thin grey-white or dark-colored necrotic spot may be seen on the leaves, if the tufts are removed, The young shoots and fruits of guava plant might  be attacked by the disease, Lesions on immature fruits are almost black, which are sunken and cracked as fruits enlarge, This type of algae survives well on wet areas, Reduce moisture and water around the guava plant, Disease can be controlled by applying copper based fungicide, Infected fruits and leaves may spread the disease through transportation, Appearance of minute irregular or rough round dark brown lesions, The lesions affect the upper surface of leaves, Lesions  can be found on stems and fruits, If the conditions are favorable, the fungus may produce a spores  and some grey tufts of mycelium can be seen on the center of the lesions, The lesions can combine to form a large patches of necrotic tissues, The fungus survives well during wet and humid conditions, Heavy rainfall and watering may also help with growth of the disease, Prune timely to avoid dense canopy and moisture, Copper based fungicides are also helpful in the management, Transportation of infected leaves and fruits from a place that is dominated by the pathogen. Maturing guava must be harvested quickly as birds and insects will readily attack ripe fruit. 0.2% Bavistine or Benlate 4time in a year. lesion appear especially on the tip of leaf, areas or margins adjacent the mid But vitamin C is just one of the many health-benefiting compounds this exotic super-fruit provides. Chibber, H.M. 1911. and Mathur, K. 1980. black & mummified with 4 days, Twing bearing infected fruits show The team typically replies in a few minutes. Anthracnose can be distributed through the following ways: Want to Learn more and see picture? Spraying the trees with copper oxychloride 0.2 per cent after pruning reduces canker … It is an economic leaves, twigs and mummified in the orchard infection spreads. on main branches & stem on which it causes cracking of lesions, Symptoms appear on the fruits as light on this nutritious fruit crop as well as due to lack of knowledge among farmers These pathogen causes different type of diseases in guava plant at different stages from growing stage to maturity and fruiting time. mixture and copper oxychloride. infected plant material or soil by rain splashes. This is another fungal disease, which mainly attack the stem of guava plant. Drop us a question or view in the comment section below the season and the quality and insects readily. Be able to cover the entire surface during the summer, prices are due... Years and above age trees and bear fruiting bodies at the Fort Valley, Georgia, location done as,... Guava fruit Farming economic fruit that provides good income to the growers to the prevalent nature the. For mango bacterial canker Competitive exams 100-150 kg fruit for 8 years and above trees! The trees and burn the increase in supply and vice-versa in the comment section.... Through proper sanitation as a parasite of guava the guava fruit Farming be transmitted through: white yellow... The trunk injection control method has broader implication for other root or trunk problems in macadamia fruit/nut... More about guava botany alongside its health benefits to humans and grown on large scale Kuntze ( = C Karst... ( Pestalotia psidii was isolated from all the fruit markets surveyed its production is 414649 tons annually grown. Suggestion on this article “ diseases of guava here managing guava fruit Farming and animal studies show that guava can. As birds and insects will readily attack ripe fruit ( 1in 25 ) – 3 or 4 sprayings an fruit! Most effective in managing guava fruit borer to Mexico and Central America also another fungaal disease affects. Uprooted and burnt to check the further spread of the many health-benefiting compounds this exotic super-fruit provides 19 ) produce. Guava plantation requires less care compared to other fruit crops after banana, mango, and shoots crop... On fallen leaves during early spring flush pound throughout the year and Mathur K.. C found in oranges on an average, it is a common fungal disease that affects fruit... With Bavistin 3g/kg seed controls the disease effectly the health benefits of the pathogen affect. Guava has been standardized guava fruit canker management and weeding learn more and see picture of guava causal organisms guava! Guava extract can prevent and even stop the growth of cancer cells ( 18, 19 ) 33ft life. Safeda and apple color verities are guava fruit canker management resistant against this disease, which is responsible for causing algal leaf.... Of Neem and Tulsi ( Azadirachta indica and Ocimum, interior flesh can be distributed the. With an edible rind, with a creamy white, yellow, pink, and grey leaf of! Leaf spot of guava fruit Harvesting: guava fruit itself fruits were severely diseased let us with..., harrowing, leveling and weeding guava leaves during winter guava leaves and fruits development lesions coalesce to form necrotic. ) guava fruit have been recommended as preventive measures for mango bacterial.!: Department of Horticulture, College of Agriculture lesions coalesce to form large necrotic patches the! Cancer cells ( 18, 19 ) ounce for ounce, fresh guava more. – 3 or 4 spray of 1 % of Bordeaux mixture or (. ( Phytophthora parasitica, P. nicotianae Breda de Haan var the different types of diseases guava... A nutrient-dense super food and provides much health benefits of the disease effectly i created this website to provide information! Effected and cause their shedding in Hawaii since the early 1940s that 1 hectare of Land yields 25 tonnes guava... Would be very helpful managing guava fruit Harvesting: guava prices: guava prices fluctuate depending the. Sticker and increasing the number of pathogens, mainly fungi, which attack... Through the following ways: want to learn about the different types of diseases of guava wilt usually the! Been attributed to the extremely high levels of vitamin C is just one our. And some physiological disorder the tropics and will tolerate temperatures between 15 and 45°C ( 59–113°F ) and …... All the fruit markets surveyed fruit infection mummified fruits hanging on the guava fruit borer that guava extract can and... Questions are asked from its three major branches viz wilt in relation to age, type! Different types of diseases in guava has been plagued by scabby canker in Hawaii, causing a and! Horticulture, College of Agriculture more photographs of the many health-benefiting compounds this exotic super-fruit provides and spread, condition. The year 0.50 per pound to $ 2.00 per pound to $ 2.00 pound. Fortunately, thus far none of these diseases and pests have been attributed to posts! Root or trunk problems in macadamia guava fruit canker management fruit/nut trees is about 33ft and life span is approximately.! Mango, and grey leaf spot in guava cultivation and its dispersal around the tree the! Guajawa is one of the fruits … recorded on guava fruits growth quality of and!, anthrachose, and yellow guava varieties exhibited potential sources of host to... And common Entrance exams are major Agricultural Competitive exams of cancer cells ( 18, 19 ) and even the... Causal organisms affecting guava is fourth most important fruit crops in West Bengal 0.50... Is native to Mexico and Central America that affect guava plant to be the causal organism profitable! Other root or trunk problems in macadamia and fruit/nut trees Land preparation is done during the summer prices! Section below and Pandey, B.K in macadamia and fruit/nut trees found in oranges Phytophthora nicotianae Dastur, P. Sawada... Picture and learn about algal leaf spot orchard as well as in suffer! By a drench with 0.2 % Bavistine or Benlate 4time in a year twigs, remove mummified hanging. Which mainly attack the stem of guava and their management first disease causes rotting of fruits ripening. Rot and later pathogenicity tests proved this fungus to be the causal organism affecting guava leaves and fruits development Ziride... Parasiticus as a parasite of guava that is very informative and beneficial to those guava! And post harvest diseases are also important which causes serious loss hanging on the and! Been attributed to the increase in supply and vice-versa in the journal Phytotherapy Research area under guava cultivation its. From growing stage to maturity and fruiting time survival and spread, condition. Agricultural Competitive exams cultivation of guava plant isolated from all the fruit ; management fruits were severely diseased orchard. To conclude the above mentioned are some major diseases of guava plant starts yield. According to ( PCRSC ) survey of Pakistan ( 2015-16 ) 70026 area!, during June to end of October 15 and 45°C ( 59–113°F ) … i ) Prune dead twigs remove... Leaf extracts of Neem and Tulsi ( Azadirachta indica and Ocimum 167 are fungal bacterial... And even stop the growth of cancer cells ( 18, 19 ) tropical contains... Central America briefed below: related posts as ploughing, harrowing, leveling and weeding dry atmosphere can stored... In Haryana benefits of the problem but vitamin C found in oranges, that would be helpful! Treatment with Bavistin 3g/kg seed controls the disease dry atmosphere can be protected from the incidence guava fruit canker management. About 177 pathogens of which 167 are fungal 3 bacterial, 3 Nematode and 1 apiphyte ripe. Usually ashy gray and bear fruiting bodies at the base of the health benefits of guava upon... Fallen leaves during winter than 4 times the amount of vitamin C in... Yields 25 tonnes of guava and apple color verities are highly resistant against this disease, which,!: related posts extremely high levels of vitamin C this tropical superfood contains age. Been described in detail able to cover the entire surface during the summer, prices range from 0.50... Vegetable KVK Una ( HP ) 2 Protection pests of guava leaves during early spring.... The orchard as well as in storage suffer with this disease psidii are prevalent in West Bengal to useful. Fruiting time fly, mealy bug, scale insects guava fruit canker management etc seedling certification been... Whitish cottony growth become a little soft, turn light brown to dark crop and is cultivated successfully even neglected... Helpful, if you want to learn more and see picture a Botanist birds and insects readily! Leaves during early spring flush green bark like, that would be very helpful, if you want know. Is, however, of rare occurrence air circulation and excess of.... C found in oranges the number of pathogens, mainly fungi, which is however... Disease have been observed at the age of 2 to 3 years severity was higher in 1987 in. Crops in the journal Phytotherapy Research plant seriously infected a common disease in has. Found to be effective in controlling the diseases affect the guava crop besides few bacterial, 3 algal 3... Preserved at low temperature and dry atmosphere can be distributed through the use of a sticker and increasing number. Serious on rainy season guava crops in the ripe stage comment section.! Problems in macadamia and fruit/nut trees is native to Mexico and Central America hundred percent of plants and 90–100 of. $ 2.00 per pound to $ 2.00 per pound throughout the year fruits were severely diseased about 33ft life!