Spraying of insecticides Endosulfan35 EC @ 600-750 ml/ ha effectively reduces the population. Adults are about 3 mm long and greenish yellow during summer whereas they develop reddish tinge during winter. The insects help in transmitting and spreading of leaf curl virus (CLCV) disease. ,��� They also attack flowers, buds and squares causing considerable loss. Although thrips damage is unsightly, it does not usually warrant the use of insecticides in gardens and landscapes. Larva is about 20 mm long, spiny, brownish with white streaks dorsally and pale yellow ventrally in E.vitella and greenish white with blackmarks and orange spots on prothorax in E. insulana. Mechanical collection when larvae are feeding in groups, i.e., the younger larvae. Email:  This email address is being protected from spambots. Base the decision to apply an insecticide on the number of thrips present and the stage of plant development. Eggs are laid in clusters on the under surface of leaves and pupation takes place in soil or in plant debris in cocoons. Spray insecticides like Endosulfan35 EC or Triazophos40 EC @2.5 l/ha or Cypermethrin10 EC @ 600-800 ml/ha. The adult moths are dark with blackish spots on forewings. Both adults and nymphs suck sap from the underside of the leaves and devitalize the plants. furrow treatments (Temik 15GR) were more effective against thrips than a Tobacco caterpillar (Spodoptera litura Fab.). All treatments controlled thrips compared with the Preventive in-furrow or seed treatments usually provide adequate thrips control until the second true-leaf stage. Nymphal period lasts for 7-9 days. x��]k��Q���@B�`�8U>���G�1�*!`IE��ز|�|��P���2ﻗ�g��g�=R�T*�3ڙ����{�~^Te5����ã�7�߼z��q�y���yt�ڢ���p]}z���uU��ӛ7�3ø]׋g���z(�a��ɟ=-~���dW�u�Ln*�wS��Mu�Ώ���ʾ)�n���Oo^.~��7o��������W��X��8v�+*7-�h������e?��[��r�:����;xS_��pm�M�7��roJW�愳�u��M=ծ�Ǻ)�~��2ιq(�=�y����T�S15����[�7�U�fp����޼���P[�j��e�OC�_u�e�;�P5��:�;������ߚ��k֕~�4��g��,C�7�o��iX�~_���'��� ������a��e�� ��gˮ=\�7b�i0���;��X��u7N.�B�����8��W�]�����4����hh�Ɇ�|��'�v���� !T����0�1�&\������l[���}j�j���~OM�S��l&��U�`#�����ꢁ�#hq���aH��R@���8��:�/��&ׄ��T��s+�W�����7���. Leaves turn pale, red rust, curls downwards and dry up when infestation is severe. addye92fd793b310836b4699f0f61955b4aa = addye92fd793b310836b4699f0f61955b4aa + 'gmail' + '.' + 'com'; Clean cultivation and destruction of crop residues (fallen leaves, twigs etc.) Both adults and nymphs suck sap from the tender leaves, twigs and buds, and weaken the plants. The larvae feed on the leaves initially and then bore in to the square/bolls and seeds with its head thrust into the boll, leaving the rest of the body outside. The pest occurs throughout the year. The life cycle is completed in 6-12 weeks. The upper side of the older leaves turn brown and the lower side becomes silvery white. Pest is active from June-October and February-April. Avoid late sowing and excessive use of nitrogenous fertilizers. 3. The moths of both the species have wings of about 25 mm. The margins of hind wings are deeply fringed. Apply chemical pesticides only if pest population crosses the ETL. The forewings are grassy green in, and pea green with a wedge shaped white band running from base to outer margin in, Larva is about 20 mm long, spiny, brownish with white streaks dorsally and pale yellow ventrally in, and greenish white with blackmarks and orange spots on prothorax in. Set-up pheromone traps @ 10/ha for monitoring the ETL and timing of spray. @ 1.5 lakh adults/ha at random on crop canopy. The tip of the abdomen is curved and abdominal segments are transversely banded with dark brown lines. After three applications were made, foliar treatments Spraying synthetic Pyrethroids Fenvalerate20 EC @ 400-500 ml/ha or Cypermethrin10 EC or Decamethrin2.8 EC @ 600 - 700 ml/ha is also effective. Chemical Control: Seed treatment with Imidacloprid(5 g/kg seed) keeps the crop free of sucking pests over a month. The attacked shoots wither, droop and ultimately die, and flowers and buds drop off. tended to give better thrips control than the in-furrow or seed treatments. Pink bollworm (Pectinophora gossypiella Saunders). Lint is destroyed, ginning percentage and oil content are impaired. On dew days, pick cotton in late mornings to avoid moisture in cotton. Leaves turn pale, red rust, curls downwards and dry up when infestation is severe. The forewings are grassy green in E. insulana and pea green with a wedge shaped white band running from base to outer margin in E. vitella. Chemical Control of Cotton Thrips. Aphids live in colonies and reproduce parthenogeneticlly. (Costa) occupy major pest status and contribute to lower yields. single application of foliar treatments (Orthene 90SP, Centric 40WG, The moths of both the species have wings of about 25 mm. Chemical Control and Action Thresholds. Nymphs and adults are sluggish creatures, clustered together on the under surface of the leaves. 15-20% affected plants counted randomly or appearance of honey dew on 50% plants. The eggs are laid into the parenchymatous tissue of the leaves. All Information found within krishi sewa website is without GUARANTEE. untreated check. The tip of the abdomen is curved and abdominal segments are transversely banded with dark brown lines. The larva is about 35 mm long, greenish brown with dark gray yellow stripes along the sides of the body. Planting of castor crop along the borders. failures of standard thrips insecticides were reported from many areas in the The caterpillars are gregarious in nature, brownish orange to yellow, 40-45 mm long and with hairy head. The life cycle is completed in 6-12 weeks. The pest is active from May- September. Handpicking and destruction of various insect stages and the affected plant parts. Nymph and adult stages last for 7-21 days and 35-50 days respectively. Cotton is harvested in 3-4 pickings by hand as the boll mature. Chemical efficacy varies by species of thrips being treated. different among treatments including the untreated check. The number of pickings varies with the maturity habit of the variety. This is especially true if the thrips are present in high numbers and are reproducing on the plants. other treatments while Actara 25WG (0.0473 lb ai/ac) produced Application of insecticides like Chlorpyriphos20 EC or Endosulfan35 EC or Triazophos40 EC @ 2.5 l/ha spray. 1 Both species have fairly wide host ranges, feeding on both broadleaf and grass plants, including alfalfa, common bean, grains, grasses, and various weed species. Lint yield was not statistically Set up yellow pan sticky traps at various places at the canopy height in field. The margins of hind wings are deeply fringed. The adult moths are dull yellow and are profusely covered with hairs, pale buff crimson abdomen with black spots. Actara 25WG). The holes of entry close down by excreta of larvae which are feeding inside the seed kernels. 2 They also attack flowers, buds and squares causing considerable loss. Thrips are considered the number one pest of seedling cotton. @ 250 LE/ha from 35th to 60th day of crop stage. The insects help in transmitting and spreading of leaf curl virus (CLCV) disease. For 65-100 days crop, 5-10% infested fruiting bodies is the ETL. This pest is a minor pest  The pest is active during July-November. Aphids live in colonies and reproduce parthenogeneticlly. The attacked buds and immature bolls drop off. Chlorotic spots develop on leaves and in severe cases the vein becomes translucent, thickened and in many cases it drops off prematurely. Sooty mold contaminates the lint. Nymphs are pale yellow and adults are yellowish with white waxy coating on the body. Apply fish oil resin soap @1.4-1.5 kg/ha. effect of the treatments on stand count, thrips damage, and lint yield was Wing span is 8-9 mm. Nymphs are smaller in size and blackish in color. Seed treatment with imidacloprid 60FS @ 10 ml/kg OR thiomethaxam 70 WS @ 5 g/kg seeds. The adult moth is stout with brownish forewings and whitish hind wings. Remove and destroy crop residues/alternate host plants. The The upper side of the older leaves turn brown and the lower side becomes silvery white. The pest attacks the crop from 35-110 days of age. Set-up pheromone traps to monitor the ETL. Avoid late sowing of the crop. Spray methyl Demeton25 EC or Dimethoate30 EC.

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