- Affected plants during the growing season to be withdrawn and destroyed.
- Spray Wapkill (Acitamprid) @ 100 gm/acre or
- Confidor(Imidacloprid ) @ 100 ml + 250 gram beauveria bassiana/acre or
- Spray Thiamethoxam 12.6% + Lambda Cyhalothrin 9.5% ZC @ 100gm/acre or
- Spray Abacin (Abamectin 1.8% EC) @ 150 ml/acre
Identification of leaf miner on muskmelon crop –
- Adults leaf miners look like small black and yellow flies.
- Larvae exit from the leaf after completion of their development and then pupate axles on plants.
- Females puncture the leaf to feed plant sap and lays eggs within the leaf tissue.
- This damage restricts the plant growth and results in reduced bulb yield and loss of vigour.
- Tunnels or mines can be seen in the leaves.
How to manage fruit flies in cucurbits crops.
- Collect and destroy infested fruits.
- Flytraps (pheromone traps) can be set to prevent egg-laying by fruit flies.
- Maize plant s grown in the field are effective as flies rest on such tall plants.
- Deep ploughing should be done to expose hibernating stages of fruit flies.
- spray dichlorvos 76% EC 250 to 500ml/acre or
- Lambda Cyhalothrin 4.9% CS @ 200 ml/acre. or
- Profenofos 40%EC + Cypermethrin 4 %EC @ 400 ml/acre
Identification of fruit fly on pumpkin
- The worm bores into the fruits and sucks the sap.
- Infected fruits fall after decaying.
- These flies prefer tender fruits for egg-laying.
- The fly bore a hole into the fruit to lay her eggs inside it. Fruit Juice can be seen coming out from these holes.
- This also results in distorted and malformed.
- The maggots feed on the pulp of fruits as well as on the immature seeds and cause premature dropping of fruits.
Ways to treat downy mildew in pumpkin crop
- Plucking and destroying affected leaves.
- Plant seeds of disease-resistant varieties.
- Crop rotation and sanitation reduces the severity of the disease.
- Spray thiophanate methyl 70% WP at the rate of 300 gm/acre.
- Spray of Metalaxyl 8% + Mancozeb 64% WP @ 500 gm/acre.
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