Leafhoppers of the sugar beet and their relation to the"curly-leaf" condition
Ball, E.D.
Leafhoppers of the sugar beet and their relation to the"curly-leaf" condition - Washington 1909 - 33-52 p. - Leafhopper, Sugar, Beet United States Department of Agriculture, Bureau of Entomology. Bulletin No. 66 Part IV .
Leafhoppers of the sugar beet and their relation to the"curly-leaf" condition - Washington 1909 - 33-52 p. - Leafhopper, Sugar, Beet United States Department of Agriculture, Bureau of Entomology. Bulletin No. 66 Part IV .