Groundnut – Gramophone

Jayad groundnut should be dug when the leaves of the plant start turning yellow and veins rise above the peanut bean and the inner parts become brown.
Digging the field with light irrigation and after uprooting the plants from the land, make small bundles and dry them thoroughly in light sun or shade.
Separate peanuts from plants. The mechanical Groundnut Digger is useful for reducing labor loss in groundnut digging.
Careful drying should be done after digging to maintain proper storage and germination capacity in groundnuts as the germination potential declines if the groundnut is dried in strong sunlight.
The moisture content in the matured grains should not exceed 8 to 10% before storage. Otherwise, aspergillus fungi in peanuts cause moisture, which is harmful to human and animal health, due to excess moisture.
Fully dried beans should be stored in a ventilated place. Where they cannot absorb moisture or in each sack, storage by calcium chloride 300 grams per 40 kg seed rate.
Protect from insect moths that are harmful during storage, so that the beans do not get spoiled during storage.

Symptoms of damage:

The grubs feed roots. Grubs feed on fine rootlets, resulting in pale wilted plants, dying in patches.

Management of White grubs:-

Bio-Control:- Soil application- For soil insect pest like White Grubs,Termite, Agrotis species etc Mix 2.0 kg to 4.0 kg Metarhizium anisopliae with 50 kg of well decomposed fym/compost/field soil and broadcast in the field of 1 acre at the time of field preparation or in standing crop. Foliar spray – Mix 2.0 kg Metarhizium anisopliae, in 150 – 200 litre of water for spray on insect pest in the standing crop of 1 acre.
Spray should be undertaken as a community approach and should be repeated after every rainfall till the middle of July.
Spraying the trees close to the field with Chlorpyriphos 20 EC @ 2 ml/lit of water soon after first monsoon showers for 3-4 days in the late evening hours kills the adult beetles and reduces root grub infestation.
Seed treatment with chlorpyriphos 20 EC ( 6.5 to 12.5 ml/kg seed) is found effective.
In case of severe infestation apply Carbofuran 3% @ 10 kg/ Acre or Chlorpyrifos 20% EC @ 500 ml/acre or Phorate 10% G @ 10 kg/ha.

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