tailieunhanh - Egg parasitization of yellow stem borer and leaf folder of rice under prevailing weather parameters
This survey was conducted in rice field during kharif season of year 2017 at Pusa farm of Rajendra Prasad Central Agricultural University, Pusa, Samastipur, Bihar. The important egg parasitoids of major insect pest of rice were observed for stem borer egg mass and leaf folder egg mass. The dominant egg parasitoid actively present throughout the kharif season on stem borer eggs was Trichogramma japonicum, it was found most active during the 33rd standard week of August and least active in the 30th standard week of July . | Egg parasitization of yellow stem borer and leaf folder of rice under prevailing weather parameters
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