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. Guava - Plant description I. Pests A. Pests of National Significance 1. Diseases of Guava 33-35 7. This is a pest of guava that affect guava plant yield and productivity. Spray Mancozeb 0.25%. Diseases of Banana 17-23 4. Agro-ecosystem Analysis (AESA) based Integrated Pest Management (IPM) A. AESA B. 31. J Plant Pathol Microbiol 9: 433. doi: 10.4172/2157-7471.1000433 The pathogen can affect foliage, young shoots, inflorescences and fruit of guava. Distribution of guava wilt in relation to age, soil type, management practices and varieties grown in Haryana. Misra, A.K., Om Prakash and Pandey, B.K. It has been reported in all guava-growing areas around the world where high rainfall and humidity are present. Guava rust: Puccinia psidii Symptoms. In Diseases of Fruits and Vegetables: Volume II (pp. Diseases of Pomegranate and Papaya 28-32 6. Diseases of Mango 10-16 3. Diseases of Citrus 5-9 2. Diseases of Grapes 24-27 5. Pervez Z, Alam MS, Islam MS, Ahmed NU, Mahmud MR (2018) First Report of Phytophthora Guava Fruit Rot in Bangladesh. 81-119). Management recommendations are available in our sweetpotato root knot nematode fact sheet and previous alerts. 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. Insect pests 2. Insect pests 2. Springer, Dordrecht. This disease can cause considerable postharvest losses and can affect young developing flowers and fruit. Management. This disease can cause considerable postharvest losses and can affect young developing flowers and fruit. Guava diseases—their symptoms, causes and management. Apple Guava (light red fleshed) is moderately resistant to anthracnose. Weeds II. Diseases of Apple 36-43 8. Red rust Cephaleuros virescens This disease is exceptionally severe in 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. Weeds B. Pest of Regional Significance 1. 30. Indian Phytopathology, 48: 86–89. 1968. Production of pectolytic and cellulolytic enzymes. 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 . Some chemical changes in guava fruits infected by. Diseases 3. Misra, A.K., 2004. The Eggs are first laid on the top of leaf axils, flowers inflorescence, tender part of plant shoots, and fruits. aspargin. GUAVA DISEASES AND MANAGEMENT 93. practically constant but the sporulation is profuse in case of potassium nitrate and. Basic requirements Guava is mainly grown in the tropics and will tolerate temperatures between 15 and 45°C (59–113°F). Guava trees are hardy, aggressive perennials native to tropical and subtropical America. Index SN Lecture Page No 1. Typical symptoms associated with this disease include distortion, defoliation, reduced growth and if severe, mortality. Anthracnose is the most commonly observed disease that affects both pre- and postharvest management of guava. The eggs usually take 6-7 days to jump into the larval stage. Diseases 3. Chibber, H.M. 1911. and Mathur, K. 1980. 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