Damage is mainly caused by the sap-sucking immature and adult whiteflies that feed on the underside of the foliage. Pupa: The white grub and adult feeds on the living roots and later adults feeds on shrubs and the trees like neem, khejri etc. The upper portion of the peduncle is exposed to the hot sun, when the bunch emergence occurs during summer months and due to reduced functional leaves reducedÂ. Leaves should be examined on both surfaces, and particularly along the midrib of the underside. Hank pick and destroy the caterpillar, Collect and destroy the damaged plant parts, Summer ploughing to expose to the pupae, Spray application of azinphosethyl, chlorphyriphos and monocrotophos, Severe infestation – spot application of Bt, The adult beetles feed on the tender leaves and fruits and remain hidden under unfolded leaves. Hind wings - white having a brown patch along the margin. The banana … Remove dead and decaying organic matter or dry stubbles from field to avoid termite infestation. Spray Bordeaux mixture 1 per cent + linseed oil 2 per cent on the plants. Grub period is 20 to 25 days They are not toxic to humans and animals (In organic culture, consult your certification body before use), Feeding injury on young banana bunches and fingers. Pests. Infestation of the weevil normally starts in 5 month old plants. This treatment completely coated the set in a persistent nematicidal preparation. Malathion insecticide on banana seedlings. There are a number of different species of nematode that like bananas as much as we do. Vector of bunchy top disease. In case of only serious damage caused by the beetles spray the plants with Aldrex 30 EC @ 0.25% ai or dust with Malathion dust. Scales cannot fly; therefore they do not readily infest plants as do most other insects. Nematode survive in the soil in the absence of suitable hosts, Lesion nematode – Their life cycle takes less than 20 days when temperatures range from 25 degree C – 30 degree C. Spiral Nematodes  are robust with strong stylets. Caterpillar scraping the chlorophyll content and windowing in unfurled leaves. Asprothrips navsariensis is a minor pest of banana leaves. Larva - Black with brown head having long brown hairs. Regular checking of fruit under the bunch covers is essential to ensure that damage is not occurring. Apply Chlorpyriphos 20EC @ 400 ml / gunta with irrigation water. For more detailed information, click the links below : Rhizome weevil: Cosmopolites sordidus Hard scale: Aspidiotus destructor Pseudostem borer: Odoiporus longicollis Fruit rust thrips: Chaetanaphothrips signipennis Banana aphid: Pentalonia nigronervosa f. typica Castor hairy caterpillar: Pericallia ricini Tingid or Lace wing bug: Stephanitis typicus The larval period lasts about 8-10 days. Field release of coccinelid predators like, Spray 0.07%. CO-PI: 68: Standardization of mat system of cultivation for continous harvest of banana Cv.Grand Naine: TNAU-NADP-Precision farming One year. Conidia are hyaline, oblong to cylindrical. Spiraling whitefly is a pest of many horticultural crops, as well as an extensive range of ornamentals and shade trees. The infested fruits fetch low market value in case of severe scarring of the fruit skin. Very high populations may result in defoliation, loss of production and in severe cases, death of the plant. are the largest herbaceous perennial plants in the world. Nymph - Oval translucent, Yellowish brown with waxy coating. The emerging larvae are fleshy, yellowish  white and apodous.  The larvae feed on tissues of the succulent sheath by tunnelling extensively and may reach as far as the true stem Then they bore into the pseudostem base and rhizome/corm, but also into the base of suckers and into roots. Provide mechanical barriers in and around the infected plants, Initially, appearance of pale yellow or greenish streaks parallel to the veins on the upper surface of the leaves. The fungus attacks the young banana fruits usually at the distal end, At the initial stage, small, circular, black spots develop on the affected fruits. Use of rhizomes with dead central buds and active lateral buds prevents the appearance of the disease. Death of unopened pipe, withering of outer leaves. Injection needle should reach only 2 or 3 leaf sheaths and without touching the centre core. Leaves are bunched into a rosette appearance, stunted growth and leaf margins are wavy with upward rolling. In later stage the whole seedling withers. Internally, symptoms first become obvious in the xylem (water conducting) vessels of the roots and the rhizome. These areas then develop the typical rusty-red to dark brown-black discolouration. Root and rhizome necrosis is manifested by the retarded growth, leaf yellowing and falling of mature plants. Horticultural oils are often effective and relatively safe on beneficial organisms. Control of insect vector by spraying Phosphomidon at 1 ml per litre or Methyl Demeton at 2 ml per litre or Monocrotophos at 1ml per litre .
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