Insect pests 2. Apple Guava (light red fleshed) is moderately resistant to anthracnose. GUAVA DISEASES AND MANAGEMENT 93. practically constant but the sporulation is profuse in case of potassium nitrate and. Diseases of Citrus 5-9 2. J Plant Pathol Microbiol 9: 433. doi: 10.4172/2157-7471.1000433 Diseases 3. 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. Diseases of Apple 36-43 8. Chibber, H.M. 1911. and Mathur, K. 1980. 1968. 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. The eggs usually take 6-7 days to jump into the larval stage. Indian Phytopathology, 48: 86–89. Diseases of Grapes 24-27 5. Anthracnose is the most commonly observed disease that affects both pre- and postharvest management of guava. Guava trees are hardy, aggressive perennials native to tropical and subtropical America. Guava rust: Puccinia psidii Symptoms. Springer, Dordrecht. 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. Some chemical changes in guava fruits infected by. Investigation on wilt disease of guava (. Diseases of Pomegranate and Papaya 28-32 6. 31. Diseases of Mango 10-16 3. Distribution of guava wilt in relation to age, soil type, management practices and varieties grown in Haryana. Guava - Plant description I. Pests A. Pests of National Significance 1. Misra, A.K., Om Prakash and Pandey, B.K. 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 . Diabetes usually presents signs and symptoms, which include weight gain, polyphagia (frequent eating), polydipsia (frequent drinking), and … It has been reported in all guava-growing areas around the world where high rainfall and humidity are present. 81-119). Typical symptoms associated with this disease include distortion, defoliation, reduced growth and if severe, mortality. This disease can cause considerable postharvest losses and can affect young developing flowers and fruit. 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. Spray Mancozeb 0.25%. Insect pests 2. Basic requirements Guava is mainly grown in the tropics and will tolerate temperatures between 15 and 45°C (59–113°F). The pathogen can affect foliage, young shoots, inflorescences and fruit of guava. This disease can cause considerable postharvest losses and can affect young developing flowers and fruit. Misra, A.K., 2004. Agro-ecosystem Analysis (AESA) based Integrated Pest Management (IPM) A. AESA B. Weeds B. Pest of Regional Significance 1. aspargin. Pervez Z, Alam MS, Islam MS, Ahmed NU, Mahmud MR (2018) First Report of Phytophthora Guava Fruit Rot in Bangladesh. This is a pest of guava that affect guava plant yield and productivity. Diseases of Guava 33-35 7. It has been reported in all guava-growing areas around the world In Diseases of Fruits and Vegetables: Volume II (pp. Guava leaves also help in the management of diabetes mellitus, an endocrine disorder characterized by a prolonged increase in the blood sugar levels. Management. 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