Cowpea – Page 2 – Gramophone

Control of leaf miner in cowpea

13/03/2019

Maggots are feeding the leaves in a zigzag shape.
The infestation of this fly can easily be recognized by the presence of shiny whitish streaks on the leaves against the green background.
The flowering and fruiting capacity of in infested plants is adversely affected.
Spraying of systemic insecticide like Deltamethrin 2.8% EC @ 200 ml/acre or Triazophos 40% EC @ 350-500 ml/acre.

Like and share with other farmers by clicking on button below

Cowpea is a warm season crop and can be grown in all tropical and subtropical areas.
Grain types and dual purpose types are tolerant to hardy conditions including high temperature, and poor soil.
The climbing yard long bean prefers mild climate than grain types.
Performance of varieties varies with day length, rainfall and temperature hence specific varieties are to be selected for each season.
Cowpea grows well between 21 to 35 oC temperature.

Like and share with other farmers by clicking on button below

Cowpea can be grown almost in any type of soil but well-drained loamy or slightly heavy soils are better.
Saline or alkaline soils are not good.
Ideal soil pH for growth of cowpea is 5.5-6.0.

Like and share with other farmers by clicking on button below

Then caterpillars bore into the pods and feed on the seeds.
If flowers and pods are not available, larva feeds on foliage.
Application of deep plowing and clean cultivation to expose the resting pupae and crop rotation reduce the pest population.
Use tolerant/resistant varieties.
Fix 3 feet sticks in the field @10/ha as bird parches to attract predatory birds
Spray chlorpyrifos 20% EC 450 ml/ acre or indoxacarb 14.5% SC @ 160-200 ml/ acre.
Spray solution of emamectin benzoate 5% SG@ 100 gm/acre.

Like and share with other farmers by clicking on button below

17/03/2018

Time of sowing of Cowpea:-

In most of the areas, cowpea is grown during the rainy and summer season.
Kharif Season:- Sowing is June-July for pole type variety. Sowing is August- September for early maturing bush type varieties.
Summer Season:- Sowing is February- March is common for summer.

Like and share with other farmers by clicking on button below.

23/01/2018

Leaf Miner in Cowpea:-

Indentification:-

The adults are small delicate flies about 1/6 inch in length.
They are black and yellowish colour.
Eggs are round, microscopic and vary in colour from yellow to white.
The larvae, white yellowish coloration near the head are about 1/6 inch when fully grown.

Damage:-

A female lays about 300 to 400 eggs thrusting these in to leaf tissues with the help of sharp and pointed ovipositor.
On hatching the maggots mines the leaves in a zigzag fashion feeding on mesophyll with in these mines.
The infestation of this fly can easily be recognized by the presence of shiny whitish streaks on the leaves against the green background.
Adults puncture the leaves and feed on exuding sap.
The flowering and fruiting capacity of in infested plants is adversely affected.

Control:-

Spray the crop with Dichlorovos (2 ml/lit) +Neem oil (2 Ml/litre ) or Cartap hydrochloride 75 SG (1.5 gm/Litre) of water at fortnight intervals starting from 25 days after sowing to control the pest.

Like and share with other farmers by clicking on button below.