Augmentation Model of Trichogramma japonicum for Yellow Rice Stem Borer (Schirpophaga incertulas Waker) Control On Organic Rice Cultivation

Syarief, M and Erdiyansyah, I (2018) Augmentation Model of Trichogramma japonicum for Yellow Rice Stem Borer (Schirpophaga incertulas Waker) Control On Organic Rice Cultivation. In: The First International Conference on Food and Agriculture.

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Abstract

This study aims to identify the diversity of yellow rice stem borer (YRSB) in organic and non-organic riceplants, T. Japonicum parasitation on Corcyra cephalonica eggs, the effect of T. japonicum augmentation on the intensity ofattacks and yields... Augmentation of 5000 T. japonicum per week on organic rice fields starting three weeks after planting(WAP) to 7 WAP, do not use insecticides. Non organic rice cultivation are not augmented use synthetic insecticides. The area of each plot is 1000 m2. The results showed that parasitoid egg associated with YRSB, includes Tetrastichusschoenobii Ferr, Telenomus rowani Gahan and Trichogramma japonicum Ashm .Yellor Rice Stem Borer attack intensity at4 WAP, 5 WAP and 8 WAP, non augmentation treatment shows higher than augmentation. The yield of dry weight grainwithout augmentation was 40.543 grams per clump higher than augmentation was 27.369 grams per clump.

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