共 12 条
- [1] BUSCHER FK, 1967, AM VEGETABLE GROWER, P19
- [2] GARMON H, 1922, 241 KY AGR EXP STN B, P75
- [3] MORRILL AW, 1905, 57 US BUR ENT CIRC
- [4] NEISWANDER RB, 1964, GROWERS HANDBOOK, P34
- [5] SLEESMAN JP, 1967, 1927 OH AGR RES SUMM
- [6] Smith F. F., 1947, FLORISTS REV, V99, P31
- [8] SMITH FF, 1948, E759 USDA BUR ENT CI
- [9] Smith FF., 1962, FLORISTS REV, V130, P29