tailieunhanh - Screening of different wheat varieties against rice weevil (Sitophilus oryzae Linn.) and their management

The wheat varieties HD-2733 and K-307 were found moderately resistant against Sitophilus oryzae in which higher hardness, lower moisture, lesser eggs, progeny and population with longer developmental period and lesser grain weight loss and damaged grain were recorded. Rest wheat varieties found susceptible to Sitophilus oryzae. Hardness having negative association with pest infestation. While moisture showed positive relation. The fecundity and progeny were positive relation with percent weight loss and damaged grain. The results on management of Sitophilus oryzae through plant products showed that the Neem seed kernel, Turmeric powder was found most effective against S. these protectants recommended to the farmers for the grain protection in the storage. | Screening of different wheat varieties against rice weevil (Sitophilus oryzae Linn.) and their management