The pathogen can affect foliage, young shoots, inflorescences and fruit of guava. Indian Phytopathology, 48: 86–89. Diseases of Banana 17-23 4. Investigation on wilt disease of guava (. Guava leaves also help in the management of diabetes mellitus, an endocrine disorder characterized by a prolonged increase in the blood sugar levels. Guava Diseases Caused by Fungi and Stramenopiles Anthracnose Anthracnose is the most commonly observed disease that affects both pre- and post-harvest management of guava. Anthracnose is the most commonly observed disease that affects both pre- and postharvest management of guava. 81-119). Diseases 3. Weeds II. This is a pest of guava that affect guava plant yield and productivity. Some chemical changes in guava fruits infected by. Misra, A.K., 2004. They are one of 150 species of Psidium, of which most are fruit bearing.Hardy the guava may be, but they do have their share of guava pest problems, most of which can be dealt with using natural pest control methods for guava trees. Management recommendations are available in our sweetpotato root knot nematode fact sheet and previous alerts. 31. Distribution of guava wilt in relation to age, soil type, management practices and varieties grown in Haryana. Spray Mancozeb 0.25%. The Eggs are first laid on the top of leaf axils, flowers inflorescence, tender part of plant shoots, and fruits. Production of pectolytic and cellulolytic enzymes. Guava trees are hardy, aggressive perennials native to tropical and subtropical America. Typical symptoms associated with this disease include distortion, defoliation, reduced growth and if severe, mortality. It has been reported in all guava-growing areas around the world where high rainfall and humidity are present. Pervez Z, Alam MS, Islam MS, Ahmed NU, Mahmud MR (2018) First Report of Phytophthora Guava Fruit Rot in Bangladesh. Diseases of Pomegranate and Papaya 28-32 6. This disease can cause considerable postharvest losses and can affect young developing flowers and fruit. The eggs usually take 6-7 days to jump into the larval stage. 30. GUAVA DISEASES AND MANAGEMENT 93. practically constant but the sporulation is profuse in case of potassium nitrate and. If you observe root knot nematode damage in your sweetpotatoes, we strongly suggest contacting your local extension agent and sending samples to the NC State University Plant Disease and Insect Clinic or the NCDA Nematode Lab . Diseases of Grapes 24-27 5. aspargin. Misra, A.K., Om Prakash and Pandey, B.K. Diseases 3. Red rust Cephaleuros virescens This disease is exceptionally severe in guava. Index SN Lecture Page No 1. Guava rust: Puccinia psidii Symptoms. J Plant Pathol Microbiol 9: 433. doi: 10.4172/2157-7471.1000433 Springer, Dordrecht. In Diseases of Fruits and Vegetables: Volume II (pp. This disease can cause considerable postharvest losses and can affect young developing flowers and fruit. Agro-ecosystem Analysis (AESA) based Integrated Pest Management (IPM) A. AESA B. It has been reported in all guava-growing areas around the world Insect pests 2. Chibber, H.M. 1911. and Mathur, K. 1980. Management Spraying the trees with Bordeaux mixture 1.0 % or copper oxychloride 0.2 % or Carbendazim 0.1% before the onset of monsoon reduces the disease incidence. Weeds B. Pest of Regional Significance 1. Management. Guava diseases—their symptoms, causes and management. Diseases of Guava 33-35 7. Insect pests 2. Guava - Plant description I. Pests A. Pests of National Significance 1. 1968. Diseases of Mango 10-16 3. Diseases of Citrus 5-9 2. 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. Basic requirements Guava is mainly grown in the tropics and will tolerate temperatures between 15 and 45°C (59–113°F). Diabetes usually presents signs and symptoms, which include weight gain, polyphagia (frequent eating), polydipsia (frequent drinking), and … Diseases of Apple 36-43 8. Apple Guava (light red fleshed) is moderately resistant to anthracnose. ( pp distribution of guava ( pp pest management ( IPM ) A. B! 433. doi: 10.4172/2157-7471.1000433 guava trees are hardy, aggressive perennials native to tropical and subtropical.. Defoliation, reduced growth and if severe, mortality days to jump into larval. Temperatures between 15 and 45°C ( 59–113°F ) to age, soil type, management practices varieties... 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