Author: Sewa Bharati

Early fruiting stage starts, irrigation should be given to the crop during this week. Farmer should check mealy bug infestation in the field. Grey or Areolate mildew: Ramularia areola Symptoms Management Spray the crop with Carbendazim at 250-375g or wettable sulphur at 1.25-2.0 kg/ha, repeat after a week. Mealy bug  Description of Insect Stages  The female…

Infestation of this insect start appearing in the field, farmer has to take some immediate steps to save their crop from heavy yield loss from this insect. Alterneria leaf blight: Alternaria macrospora Symptoms Management Two to three sprays may be given at 15 days interval. Red cotton bug:  Symptoms of damage: Identification of pest: Management:

Inter cultering and hand weeding is to be done during this week. Apply second dose of fertilizers @ 30kg urea, 50kg SSP and 8kg sagarika/acre near roots to promote square formation stage. For ballworm attack regular monitoring should be done at weekly interval during this phase.  Verticillium wilt: Verticillium dahlia Symptoms Management Pink bollworm-         Egg (3-4) days…

Eighth week- Use low cost yellow sticky traps @ 40 per acre during initial phase of cotton crop to check early infestation of whitefly, irrigation should be given to the crop at this stage to promote good establishment of crop.  Whiteflies Description of Insect Stages   Eggs are yellowish white laid singly on the under surface…

Soil application of carbofuran 3% CG @ 4.0 kg/acre, remove and destroy root rot/wilt affected plants. During this week attack of aphids and thrips is seen in cotton crop. Fusarium wilt: Fusarium oxysporum f.sp. vasinfectum Symptoms Management Spot drench with 0.05 % Benomyl or 0.1 % Carbendazim. Aphids  Description of Insect  Nymphs are small, yellowish or brownish…

First dose of fertilizers given during that time period @ 40kg urea, 5kg zinc sulphate/acre near roots. Light or heavy irrigation should be given depending on the seasonal rainfall to promote reproductive stage, release chrysoperla @ 10,000/ha to save crop from sucking pests. To control parawilt disease foliar application of 10ppm cobalt chloride on infected…

Hoe the crop two or three times, the first hoeing should be done before irrigating the crop. Use tractor mounted cultivator/ tractor operated rotary weeder/triphali or wheel hand hoe for weeding. Use of these instruments after fruiting should be avoided. A light irrigation should be given after 3 days of hoeing. Root rot: Rhizoctonia bataticola (Pycnidial stage: Macrophomina…

Cross sub-soiling @ 1.0m spacing should be done before preparing field. This should be done by tractor drawn sub-soiler (chisler) to depth of 45-50 cm. Variety selection- According to soil condition and state preference Punjab- PAU Bt- 0 3, PAU Bt- 02 and PAU Bt- 01 U.P, Haryana, MP, MH- Rasi 773, 776, 650, US…