FIELD-EVALUATION OF THE EGG PARASITOID, TRICHOGRAMMA-JAPONICUM ASH (HYM, TRICHOGRAMMATIDAE) AGAINST THE RICE LEAF FOLDER, CNAPHALOCROCIS-MEDINALIS (GUEN) (LEP, PYRALIDAE) IN INDIA

被引：12

作者：

BENTUR, JS

KALODE, MB

RAJENDRAN, B

PATEL, VS

机构：

[1] GUJRAT AGR UNIV,MAIN RICE RES STN,NAWAGAM,INDIA

[2] KRISHI UIGYAN KENDRA,PONDICHERRY,INDIA

来源：

JOURNAL OF APPLIED ENTOMOLOGY-ZEITSCHRIFT FUR ANGEWANDTE ENTOMOLOGIE | 1994年 / 117卷 / 03期

关键词：

D O I：

10.1111/j.1439-0418.1994.tb00733.x

中图分类号：

Q96 [昆虫学];

学科分类号：

摘要：

Field trials on the use of Trichogramma japonicum Ashmead against the rice leaf folder Cnaphalocrocis medinalis (Guenee) in India were carried out at 3 locations-for 3 years. Four to 9 releases of the parasitoid at 100 000 adults/ha starting from 20 to 38 days after transplanting with a mean of 6.6 to 9.8 days duration between the releases resulted in 3.7 to 59.0 % decrease in leaf damage and 1.3 to 10.2 fold increase in egg parasitism. Leaf damage had negative correlation with the number of parasitoid releases.

引用

页码：257 / 261

页数：5

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