Find a copy in the library
Finding libraries that hold this item...
|Material Type:||Government publication, National government publication|
|All Authors / Contributors:||
J M Westgate; H S Coe; A T Wiancko; United States. Department of Agriculture.
"September 21, 1915."
Contribution from the Bureau of Plant Industry.
At head of title: United States Department of Agriculture Bulletin.
Other authors or contributors include: F.E. Robbins, H.D. Hughes, L.H. Pammel, J.N. Martin.
|Description:||31 pages : illustrations, tables ; 24 cm.|
|Contents:||Introduction. pp .1. Previous investigations on the pollination of red clover. pp. 2. Outline of pollinating experiments --
Structure of the red-clover flower. pp. 5. Length of the corolla tube of red-clover flowers --
Development of the flowers of red clover. pp. 7. Fertilization of red-clover flowers --
Potency of pollen in self-pollination. pp. 10. Cross-pollination and self-pollination of red clover. pp. 11. Artificial manipulation of clover heads. pp. 12. Bumblebees as cross-pollinators of red clover. pp. 17. Honeybees as cross-pollinators of red clover. pp. 18. Mechanical cross-pollinators of red clover. pp. 20. Summary. pp. 26. Literature cited. pp. 29.
|Series Title:||Bulletin of the U.S. Department of Agriculture, no. 289.|
|Responsibility:||by J.M. Westgate and H.S. Coe in collaboration with A.T. Wiancko [and others].|