Pests and Diseases of Legume Vegetables
2. Pea pod borer ( Etiella zinekenella.)
|Leaf Pod Borer|
Spraying the crop with Fenthion 0.05 percent and Phosphomidan 0.03 percent can control this pest
It is a common pest of a pea. Maggots of this pest make shinning white zigzag galleries on leaves which appear as a result of their feeding between the two layers of the leaves. Such leaves wither and dry up. The growth of such plants is retarded and the yield of crops is affected.
Spraying organophosphate insecticides like Phosphomidon and dimethoate were most effective Foliar spray of Lindane at one percent at the start of flowering and once again 10 days later gave effective control.
both places. It lays eggs on the young pods and larvae bore the seeds where they complete their development.
This pest infects seeds in the store, and damages the quality both for consumption and sowing purposes. It can be controlled by fumigating the material under airtight condition with Phosphine gas available in the form of tablets, e.g., Celphos, Phosfume etc. It should be applied at the rate of 1-2 tablets per tonne of material or per cubic meter of space
5. Leaf eating caterpillar( Prodenia litura F.)
The caterpillar feeds on leaves generally during morning and evening and defoliates the plant
1. Seedling Blight (Pythium Sp.)
The seeds should be treated with Cerasan or Arasan or Speragon @ 2.5 gm per kg of seed before sowing.
Small, white, circular powdery spots appear on the upper surface of leaves which gradually cover the entire leaves, stems, petiole, and pods. They increased gradually, resulting in the death of the leaves and fruits.
Dusting the crop with sulphur @ 11.25 kg per acre or spraying Wettable Sulphur @ 2 kg per acre, starting just on the appearance of the disease have been found effective in controlling this disease.
Symptoms are downy growth on the lower surface of leaves which is white first, but later changes to violet and appears black in the advance stage. Brown lesions are formed on pods in case of severe infection.
This disease can effectively be controlled by spraying the crop with Oxychloride (Blitox, Phytolan, etc.) @ 5 gm per litre of water.
4. Rust (Uromyces fabae or U. pisi)
Yellow spots appear on leaves, Petioles, and stem in the early stages. In heavily affected crops, the yield is also reduced.
Cultivation of disease-resistant varieties such as T-163 etc. and spraying, the crop with Wettable Sulphur @ 2 kg per acre at seven days interval have been found effective in controlling this disease.
5. Wilt (Fusarium oxysporium/F. pisi )
Symptoms are premature yellowing and withering of leaves and finally the drying of the entire plant. Plants may continue to wilt in patches in quick succession till the maturity period. The disease affected plants can easily be pulled out. The disease causes considerable damage when the crop is sown early and in light soil.
2. The seed should be treated with Cerasan @ 2.5 gm or Captan @ 2-3 gm per kg of seed.