Eighteen cultivars representing five botanical types of Arachis hypogaea L.were se-lected as female parents to cross with A.sp.9990,an Erectoides accession with
The occurrence regularity of wheat midgec (Sitodiplosis mosellana Gehin) was investigated in 1986 -1991. One generation of this kind of insects emergies every y
The difference in protein content, MDH,POD and COD isozymes have been seenbetween lowland rice roots and upland rice roots during root growth and development. H