Larva - Black with brown head having long brown hairs. Use healthy and pest free suckers to check the incidence, Do not dump infested materials into manure pit. While the taste and texture of the fruit within these peels remains unaffected, the exterior discoloration reduces the marketability of affected fruit. Use certified suckers free from nematodes. Severely infected banana plants usually will not fruit, but if fruit is produced, the banana hands and fingers are likely to be distorted and twisted. Select pesticides that have the least effect upon other non-target organisms. Sucker selection from disease infested field should be avoided. Pupa: Pupae are white, 1 mm in length, similar to the larvae and can crawl. This app covers the topics of Planting materials and other topics. Ant baits mixed with insecticides and spraying are effective in managing this pest. This insect sometimes live in the heart of the pseudostem within the roll of the central leaf. Pupa: Banana (Musa spp.) Use mechanical barriers in the field. Post harvest studies in banana,Mango and citrus using thiabendazole (TECTO) 50 EC: Syngenta-Private Agency: Nov 2009-2011: Rs.3.72: S.K.Manoranjitham. Apply biocontrol agents like Beauveria bassiana and Metarhizium anisopliae,an entomopathogenic fungus, in the banana fields and it causes more than 90% mortality of the weevils. Ensure proper fertilization and free from weeds at all times Death of unopened pipe, withering of outer leaves. Pests. Cut the banana plant after harvest at the ground level and treat it with carbaryl (1g/liter) or chlorpyriphos (2.5 ml/lit) at the cut surface. Further rusty growth of the fruit and yellowing of leaves. The disease is soil borne and the fungus enters the roots through the fine laterals. Adults start producing young one day after reaching maturity. Affected plant parts - The adult weevils are black-coloured and measure 23-39 mm. The body color is cinnamon-brown to cinnamon-buff to grey with stiff black guard hairs on back and sides; the underside is light buff or grey.Â. The lesioning of primary roots together with girdling and death of anchoring roots leads the plant prone to ‘tip over’ under wind pressure. Faculty TNAU kat@tnau.ac.in: Download: 4 Breeding of Field & Horticultural Crops Faculty TNAU kat@tnau.ac.in: Download: 5 Comprehension & Developing Comm. Keep the longitudinal split banana traps @ 100/ha. As a result of infestation, the leaves get dry and seedling can easily be pulled out. The disease incidence. The pupa is exarate and present inside the cocoon. The pupal stage lasts 7-10 days The incidence is high in acid alluvial soils. All these problems contributed to a new way of thinking concerning pest control practices, i.e. This in combination with leaf damage reduces the plant's ability to photosynthesise and results in loss of plant production.Whiteflies can multiply at a great rate, producing thousands of individuals on a single plant, when natural biological agents are not present. Eggs are laid singly in small cavities that are chewed out by the female in the base of the pseudostem just above ground level, in the upper part of the corm, in roots near the soil surface and at the end of cut stems (stumps). Fact sheet on rugose spiralling whitefly, a recent invasive pest of coconut, banana and several other host plants in South India . It originated in the Caribbean region of Central America, and spread rapidly through the Pacific after gaining establishment in Hawaii in 1978. Avoid mattacking (leaving the plant after bunch harvest for recycling of nutrients) in weevil endemic areas.            The beetles feed on the young leaves and skin of young fruits. The nematode causes very thin lesion on the roots. Presence of dark coloured tunnels in the rhizomes. Before planting, the suckers should be dipped in 0.1 per cent quinalphos emulsion. Hind wings - white having a brown patch along the margin. Use of calcium arsenate and Metaldehyde under expert supervision in areas of high infestation. Dipping the suckers in 20% neem seed solution at planting. The disease is characterized by the presence of typical mosaic-like or discontinuous linear streaking in bands extending from margin to midrib. Dark green, hook-like extensions of the leaf lamina veins can be seen in the narrow, light-green zone between the midrib and the lamina. 1 kg neem cake, 200 gm nitrogen, 40 gm phosphorus, 200 gm potassium per plant, 4 weeding at 2 months interval up to 8 months stage, Spraying Methyl Demeton 0.03 per cent (0.3 ml/lit of water) at 3 to 4 weeks interval controls the vector and reduces the spread of the disease, Foliar spray of micronutrient (0.2% CuSo4(2ml/lit), 0.2% FeSo4(2ml/lit), 0.5% ZnSo4(5 ml/lit) and 0.1% H3Bo3(1 ml/lit of water) at 3,5 and 7th month after planting and spraying Glyphosate 2Kg per hectare to control weeds, Control of insect vector by spraying Phosphomidon at 1 ml per litre or methyl demeton at 2 ml per litre or monocrtophos at 1ml per litre. Treat soil with Quinalphos 1.5 % or methyl parathion 2 % dust @ 0.25 kg / gunta before planting Suckers. The virions are flexuous filamentous, The virus is transmitted through aphid vectors such as Aphis goosypii, Pentolonia nigronervasa and Rhopalosiphum maidis. Survival and spread. Rolling of leaf margins, twisting and bunching of leaves at the crown and a rigid erectness in newly emerged leaves, The presence of dead or drying suckers is noticed in advanced cases referred as heart rot resulting from rotting of heart leaf and central portion of pseudostem, Primarily infected banana plants develop severe mosaic symptoms in young growth showing broadly streaked chlorotic or yellowish green bands and patches or chlorotic mottling distributed in patches over the leaf lamina, The leaves are narrower and smaller than normal and the infected plants are dwarf and lag behind in growth. The disturbed ants eject formic acid from their abdomens as a defense reaction. 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