Management of Mosaic Virus Disease in Sponge Gourd:-
Symptoms:-
- This viral disease is transmitted through sap and vector aphids, white fly and red pumpkin beetle.
- In infected plants, the younger leaves unfold very late show complete chlorosis following by green vein banding.
- The older leaves exhibit prominent dark green raised blisters. the malformed leaves assume a filiform shape.
- Vegetable growth, flowering and productivity are also adversely affected. severely affected vines do not set fruit.
Management:-
- Adopt clean cultivation and remove alternate host particularly weeds.
- Avoid relay cropping of susceptible crops.
- Avoid cropping mosaic prone season and areas.
- Spray Dimethoate 30% EC @ 30 Ml./pump at 10-15 days intervals. and add antibiotic chemical like streptomycin 2 gm/pump for better control.
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