3 to 5 days after sowing- Pre-emergence herbicide spray
For the management of weeds before emergence spray Pendimethalin 38.7% CS (Dhanutop super) @ 700 ml per acre in 200 litre water.
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Next activity for your Watermelon crop
1 to 2 days after sowing- Basal dose and the first irrigation
Just after sowing gives first irrigation and apply a basal dose of fertilizer as below. Mix all these & spread over soil- Urea- 20 kg+ Trichoderma viride [Rhizocare] 500 gm + Consortia of NPK Bacteria [Team Bio-3] 100 gm + ZnSB [Taba G] 100 gm + Seaweed, Humic, Amino & Micorrhyza [Maxxmyco] 2 kg per acre
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On sowing day- Seed treatment
To protect the seeds from fungus or insects in the soil, treat the seeds with Carbendazim 12% + Mancozeb 63%(Carmanova) 2.5 gm per kg seeds. Give light irrigation to the field before sowing.
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1 to 3 days before sowing- Final land preparation
DAP 50 kg + Boronated SSP granular 75 kg + MOP 75 kg + Zinc Sulphate 10 kg + Magnesium Sulphate 10 kg/acre mixed in soil before sowing
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6 to 8 days before sowing- Bed preparation and spacing
Prepare the raised beds of 1.2 m in width and 30 cm in height and during planting keep the plant to plant distance of 1 ft.
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8 to 10 days before sowing- Field preparation
In 4 MT of FYM, add 4 kg composting bacteria. Mix properly and spread over the soil for one-acre area.
ShareHow to control mites in watermelon crop
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Mites are small and red-colored insects that are found in large quantities on soft parts of watermelon crops such as leaves, flower buds, and twigs.
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Webs are seen on watermelon on which mites attacks
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This insect sucking the tender parts of the plant weakens them and in the end the plant dies.
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Chemical management:- Propargite 57% Ec@ 400 ml/acre or Spiromesifen 22.9% SC @ 200 ml/acre or Abamectin 1.9 % EC@ 150 ml/acre
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Biological treatment :- use Metarhizium Anisopliae @ 1 kg/acre
Control measures of thrips in watermelon
- The nymph and adult thrips insect, suck the cell sap by scraping the leaves of watermelon plants, on the soft stalk, buds and flowers of the plant, it becomes curly because of thrips infestation. Due to its effect, the plants remain stunted.
- To control thrips, spray Lambda Cyhalothrin 4.9% CS @ 200 ml/acre or Profenophos 50% EC @ 500 ml/acre or Fipronil 5% SC @ 400 ml/acre at 15 days interval.
- Use the pesticide at an interval of 15 days.
Weed Management in watermelon
- Watermelon is a shallow rooted crop, hence intercultural activities can be done very comfortably.
- Often,weeding is done between the rows of crops. Weeds should not grow too much in the field, in the event of large weeds growing in the field, they should be uprooted by hand and separated.
- Spray chemical weedicide like Pendimethalin 30% CS @ 700 ml/acre during 1 to 3 days before germination of weeds .
- For control of narrow leafed weeds use Quizalofop ethyl 5% EC @ 400 ml / acre at 2-4 leaf stage with or Propaquizafop 10% EC @ 400 ml/acre at 10 to 25 days of crop stage.
Damages of Blossom and rot in watermelon crop
- In watermelon fruit sometimes deep rotten patches and a wrinkle-like structure is formed.
- These are caused usually due to improper intervals of irrigation.
- When the soil of the field becomes very dry, it fixes calcium in the soil, prohibiting the plants from absorbing it.
- To prevent this, use calcium nitrate @ 10 kg/acre.