Organic FarmingAgroStar Agronomy Centre of Excellence
Biological Control of Nematodes in Pomegranate Crops
At present scenario, nematodes are major problem in all crops. Due to more moisture and damp soil, the nematode infestation on roots of the plant or gall formation will be visible on roots of trees. The nematode is minute in size and damages the crop by residing in the interior parts of the small root of the crop. This affects the roots and results in the formation of galls as well as nutrition of the plants. The damage causes the plants leaves to turn yellow in colour. In addition, other fungal organisms are more likely to be infected by the injury caused by the nematodes. Nematodes are also causal agents for drying of plants and wilting in pomegranate crop.
Follow these biological management practices periodically to control nematodes in pomegranate orchard:
• Before planting the new orchard of pomegranate, soil solarisation should be done, which will help in controlling nematodes in soil.
• Do not grow -Tomatoes, Brinjal, Chilies and Okra etc. intercrops in Pomegranates orchards.
• After taking bahar or pruning of the trees, African marigold flowers should be planted in and around the pomegranate orchard.
• Make a ring basin around the trees and Neem cake @ 2-3 kg per plant should be given around the trees.
• Application of Trichodermaplus @ 500gms and Paecilomyces lilacinus should be given @ 1-3 kg per acre with farmyard manure into the soil and it should be given on regular basis at 30-day interval.
Reference: AgroStar Agronomy Centre of Excellence
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