Nanjing Agricultural University

Supervised by Professor Wan Jianmin

Rice (Oryza sativa L.) is the staple food for more than 50% of the world’s population，although insect pests are the major biotic constraints to production of this crop.

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Cassava is considered as the 3^rd rank of food crops in Vietnam. The total cultivated area and productivity of cassava have significantly increased up to now. Fresh cassava root production roughly obtained 9 million tones annually. Average cassava productivity gained 16 t /ha including  3.36 t of its root peels (RPs) as its by-products.