Images of Bell Bean
Note: The following cover crop images are part of an extensive collection of cover crop photographs maintained the UC SAREP staff. The images have not been completely categorized and labeled. Some will be included in a book on cover crops due out in 1997, but all images have been made available online because of the overwhelming number of requests we have had for them.
	Bell bean stipular extrafloral nectary. Photo by Bob Bugg.
	Vetches, bell bean, and oat are often used in plow-down mixes. Watsonville, Santa Cruz Co., CA, photo by Bob Bugg.
	Cover crops of vetches, bell bean, and oat may not supply sufficient nitrogen to citrus, and may predispose for frost. Photo by Chuck Ingels.
	Bell bean harbors abundant bean aphid (Aphis fabae Scopoli) and associated lady beetles and other predators. Photo by Chuck Ingels.

	Bell bean is a common non-regenerating winter-annual leguminous cover crop in orchards and annual farming systems. Photo by Chuck Ingels.
	Extrafloral nectaries of bell bean appear as dark spots on the stipules. Photo by Chuck Ingels.
	Bean aphid (Aphis fabae Scopoli) on bell bean attracts numerous predators, including Chrysopa nigricornis, a green lacewing (eggs shown here). Photo by Chuck Ingels.
	Bell bean is a winter-annual legume with a shallow root system. Photo by Bob Bugg.

	Barley can be included in mixtures with vetches, bell bean, and field pea, as shown here in Watsonville, California. Photo by Bob Bugg.
	Bell bean and woollypod vetch may be used with cereal grains in winter-annual cover crops. Davis, Yolo Co., CA, photo by Bob Bugg.
	Bell bean attains an impressive height, but does not supply as much nitrogen as do various vetches. Photo by Bob Bugg.
	Despite their different growth habits, bell bean and common vetch are closely related. West Sacramento, CA. Photo by Bob Bugg.

	Cover crops of barley, bell bean, field pea, and vetches may be used in rotation with strawberry. Watsonville, CA. Photo by Bob Bugg.
	Many cover crops may be suitable in vineyards, including bell bean and crimson clover. Hopland, CA. Photo by Bob Bugg.
	It is possible to derive nitrogen content information based on the fresh weight of a cover crop. Winters, CA. Photo by Bob Bugg.
	Bell bean can be grown in mixtures with vetches and cereals. Porterville, Tulare Co., CA, photo by Bob Bugg.

	'Magnus' field pea shows vigorous early growth and is often included in mixes with bell bean and various vetches. Winters, CA. Photo by Bob Bugg.
	Nitrogen content of cover crops may be inferred from fresh weight. Winters, CA. Photo by Bob Bugg.
	Close-up of extrafloral (stipular) nectaries of bell bean.
	Bell bean flowers earlier than most other winter annual cover crops.
© 1996 University of California Sustainable Agriculture Research and Education Program

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