मानसून में फसल सुरक्षा के बेहतरीन उपाय: अवस्था अनुसार स्प्रे गाइड
शेयर करना
In monsoon, pests and fungal diseases spread rapidly due to continuous moisture and rain. The threat is different at each crop stage: sucking pests in the initial stage, caterpillars and fungi during flowering, and borers when fruits/pods are forming. Timely and correct spraying is the only way to prevent damage.
Why is crop protection essential in monsoon?
During the rainy season, increased humidity in the air accelerates fungal growth on leaves, and the warm-humid environment is favorable for insect breeding. Additionally, repeated rain washes away sprayed chemicals, leading to incomplete protection. Therefore, it is crucial to plan and spray according to each crop stage during the monsoon.
Crop stage-wise protection plan
Crop Stage-wise Protection Plan - Focus on specific pests/diseases at each stage
What to do after heavy rains?
If heavy rain occurs within 4-6 hours of spraying, the chemical washes off the leaves, and protection remains incomplete. In such cases, after the rain stops, inspect the field for pests and diseases. If infestation is visible, spray again as per the dosage mentioned on the label. Do not re-spray unnecessarily, as it increases costs and risks pest resistance.
General rules for monsoon spraying
- Check the weather before spraying; if there is a possibility of rain within 4-6 hours, postpone the spray.
- In the rainy season, mixing a sticker/spreader ensures better adherence of the chemical to the leaves.
- Do not repeat chemicals with the same mode of action frequently; it can lead to pest and disease resistance, rotate chemicals.
- Before mixing insecticides and fungicides, always check for tank-mix compatibility.
- Wear gloves and a mask during spraying and strictly adhere to the Pre-Harvest Interval (PHI) mentioned on the crop label.
Frequently Asked Questions (FAQ)
When should crop protection begin in monsoon?
Pest monitoring should begin from the early vegetative stage of the plant, so that sucking pests like aphids, jassids, and thrips can be controlled in time.
What to do if the spray washes off in the rain?
If heavy rain occurs within 4-6 hours of spraying, inspect the field; if pest/disease infestation is visible, spray again as per the label instructions.
Which chemical is effective during the flowering stage?
For bollworm and stem borer, Chlorantraniliprole 18.5% SC is effective, and for sucking pests, a mixture of Thiamethoxam + Lambda-cyhalothrin is considered effective.
Is it necessary to spray every week?
No, do not spray repeatedly without necessity. During the fruit/pod stage, spray only when pests or diseases are observed in the field (need-based).
Is it safe to spray before harvest?
Use only approved products for that crop and strictly follow the Pre-Harvest Interval (PHI) mentioned on the label.
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