Guava - Plant description I. Pests A. Pests of National Significance 1. 30. Guava leaves also help in the management of diabetes mellitus, an endocrine disorder characterized by a prolonged increase in the blood sugar levels. Diseases of Pomegranate and Papaya 28-32 6. Anthracnose is the most commonly observed disease that affects both pre- and postharvest management of guava. Basic requirements Guava is mainly grown in the tropics and will tolerate temperatures between 15 and 45°C (59–113°F). Insect pests 2. aspargin. 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. It has been reported in all guava-growing areas around the world Production of pectolytic and cellulolytic enzymes. GUAVA DISEASES AND MANAGEMENT 93. practically constant but the sporulation is profuse in case of potassium nitrate and. Guava trees are hardy, aggressive perennials native to tropical and subtropical America. This disease can cause considerable postharvest losses and can affect young developing flowers and fruit. Diseases of Guava 33-35 7. Weeds II. Diseases of Banana 17-23 4. Spray Mancozeb 0.25%. Red rust Cephaleuros virescens This disease is exceptionally severe in guava. J Plant Pathol Microbiol 9: 433. doi: 10.4172/2157-7471.1000433 Springer, Dordrecht. Some chemical changes in guava fruits infected by. The Eggs are first laid on the top of leaf axils, flowers inflorescence, tender part of plant shoots, and fruits. Diseases of Citrus 5-9 2. Misra, A.K., 2004. Index SN Lecture Page No 1. 1968. Pervez Z, Alam MS, Islam MS, Ahmed NU, Mahmud MR (2018) First Report of Phytophthora Guava Fruit Rot in Bangladesh. Guava rust: Puccinia psidii Symptoms. Guava diseases—their symptoms, causes and management. This is a pest of guava that affect guava plant yield and productivity. 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 Grapes 24-27 5. Agro-ecosystem Analysis (AESA) based Integrated Pest Management (IPM) A. AESA B. The eggs usually take 6-7 days to jump into the larval stage. Typical symptoms associated with this disease include distortion, defoliation, reduced growth and if severe, mortality. 81-119). It has been reported in all guava-growing areas around the world where high rainfall and humidity are present. Indian Phytopathology, 48: 86–89. This disease can cause considerable postharvest losses and can affect young developing flowers and fruit. Diseases 3. Chibber, H.M. 1911. and Mathur, K. 1980. 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 . In Diseases of Fruits and Vegetables: Volume II (pp. Misra, A.K., Om Prakash and Pandey, B.K. Apple Guava (light red fleshed) is moderately resistant to anthracnose. Weeds B. Pest of Regional Significance 1. Diabetes usually presents signs and symptoms, which include weight gain, polyphagia (frequent eating), polydipsia (frequent drinking), and … Management. Investigation on wilt disease of guava (. Diseases of Apple 36-43 8. 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. The pathogen can affect foliage, young shoots, inflorescences and fruit of guava. 31. 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