Diseases of Citrus 5-9 2. Diseases of Guava 33-35 7. Basic requirements Guava is mainly grown in the tropics and will tolerate temperatures between 15 and 45°C (59–113°F). GUAVA DISEASES AND MANAGEMENT 93. practically constant but the sporulation is profuse in case of potassium nitrate and. Diseases 3. Index SN Lecture Page No 1. It has been reported in all guava-growing areas around the world 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 . Misra, A.K., 2004. Some chemical changes in guava fruits infected by. Red rust Cephaleuros virescens This disease is exceptionally severe in guava. Springer, Dordrecht. This is a pest of guava that affect guava plant yield and productivity. 31. This disease can cause considerable postharvest losses and can affect young developing flowers and fruit. Chibber, H.M. 1911. and Mathur, K. 1980. The pathogen can affect foliage, young shoots, inflorescences and fruit of guava. Management. This disease can cause considerable postharvest losses and can affect young developing flowers and fruit. aspargin. Insect pests 2. 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. Indian Phytopathology, 48: 86–89. Investigation on wilt disease of guava (. 1968. Diseases of Mango 10-16 3. The eggs usually take 6-7 days to jump into the larval stage. In Diseases of Fruits and Vegetables: Volume II (pp. Diseases of Pomegranate and Papaya 28-32 6. Guava diseases—their symptoms, causes and management. Typical symptoms associated with this disease include distortion, defoliation, reduced growth and if severe, mortality. Distribution of guava wilt in relation to age, soil type, management practices and varieties grown in Haryana. Spray Mancozeb 0.25%. Weeds II. Insect pests 2. Diseases of Grapes 24-27 5. Production of pectolytic and cellulolytic enzymes. Agro-ecosystem Analysis (AESA) based Integrated Pest Management (IPM) A. AESA B. Anthracnose is the most commonly observed disease that affects both pre- and postharvest management of guava. 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. 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. Diseases of Banana 17-23 4. J Plant Pathol Microbiol 9: 433. doi: 10.4172/2157-7471.1000433 Diabetes usually presents signs and symptoms, which include weight gain, polyphagia (frequent eating), polydipsia (frequent drinking), and … Diseases of Apple 36-43 8. Misra, A.K., Om Prakash and Pandey, B.K. 30. Management recommendations are available in our sweetpotato root knot nematode fact sheet and previous alerts. Guava rust: Puccinia psidii Symptoms. Guava trees are hardy, aggressive perennials native to tropical and subtropical America. Pervez Z, Alam MS, Islam MS, Ahmed NU, Mahmud MR (2018) First Report of Phytophthora Guava Fruit Rot in Bangladesh. The Eggs are first laid on the top of leaf axils, flowers inflorescence, tender part of plant shoots, and fruits. Guava leaves also help in the management of diabetes mellitus, an endocrine disorder characterized by a prolonged increase in the blood sugar levels. 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. Apple Guava (light red fleshed) is moderately resistant to anthracnose. Weeds B. 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