For effective crop control apply fungicide as per recommendation from the Department of Agriculture (plant protection) to control Damping-off, Downey Mildew, Powdery Mildew, and other fungal diseases. Apply recommended insecticide to control sucking pests, fruit flies, and any other insects.
Insecticide spray should not be done at the flowering stage (30 - 50 Days) to enable honeybee activities for pollination.
For watermelon crop leaf minor, thrips, and the fruit fly are major insects. While Downy Mildew, Powdery Mildew, Wilt, Anthracnose, and Gummy Stem Blight are the major diseases.
Timely control of insects and diseases will help to achieve excellent crop grow
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th. Do not spray during the peak pollination period.
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Irrigation Schedule
It needs regular irrigation. The irrigation interval and quantity need to fix to avoid fruit cracking.
In light soil and summer season the irrigation frequency should be more.
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Harvesting
Harvest the fruit at the time of physiological maturity.Date of maturity or days after sowing( ͠ 85-90 days)
The maturity of watermelon can be judged by the following steps:
1. A dead tendril attaches to the vine,
2. Dull appearance of the fruit compared to their slick appearance,
3. Maturity is also judged by metallic sounds,
4. After harvesting fruits should not be left long in the sun otherwise sun scaled may develop