Preliminary results on the utilization of Trichogramma evanescens Westw. to control the Asian corn borer Ostrinia furnacalis Guenee in the Philippines
1986
Tran, L.C. (Biologische Bundesanstalt fuer Land- und Forstwirtschaft, Darmstadt (Germany, F.R.). Inst. fuer Biologische Schaedlingsbekaempfung) | Hassan, S.A.
allemand. Trials on the use of Trichogramma evanescens Westw. against the Asian corn borer Ostrinia furnacalis Guenee in the Philippines were carried out at six locations throughout the country. The parasitism reached 40 to 76.9 per cent depending on the population density of the insect pest in the area. Further trials are undertaken to improve the effectiveness of Trichogramma by determining the optimum releasing time and dose
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