Aphid resistant alfalfa plants: Inexpensive control of spotted alfalfa aphid can be expected as result of plant breeding program to develop new varieties
California Agriculture 10(7):3-3.
Published July 01, 1956
PDF | Citation | Permissions
A report of progress in the development of alfalfa resistant to the spotted alfalfa aphid conducted in cooperation with the Entomology Research Branch, Agricultural Research Service, U.S.D.A.