The Resistance of Haricot (Phaseolus Vulgaris) for Bean Weevil - Acanthoscelides Obtectus Sav (Coleoptera, Bruchidae) on the North Border of Crops Distribution

Abstract

Long-term experiments carried out have shown the ability of haricot being cultivated in the south of the forest zone of Western Siberia. The main factors decreasing ripening and quality of beans and haricot seeds are pests. The most dangerous pest for haricot is Bean Weevil (Acanthoscelides obtectus). The pest may be in the beans at different stages of its development; during storage about 90 % of seeds are damaged by this pest. The are some differences in seeds between haricots of two sorts: vegetable sort «Zhuravushka» are damaged more significant in compare with seed sort «Bijchanka».

Keywords

• haricot
• bean weevil
• seed damage