Abstract
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Contributor Notes
Honors Graduate, Department of Zoology, Univ. of Maryland.
Plant Physiologist, Plant Physiology Institute.
To whom reprint requests should be addressed: Plant Stress Laboratory, ARS/USDA, Rm. 206, B–001, BARC-W, College Park, MD 20705.
Associate Professor, Dept. of Zoology, Univ. of Maryland, College Park.
Received for publication 9 Sept. 1986. We thank Jim Allston, Park Seed Co., Greenville, S.C. for his generous gift of seed; Naomi Ruff for her help with data collection; Stephen Dubik, Plant Stress Laboratory, for making his automatic watering system available: and Joe Cain for his helpful comments on the manuscript. This research was conducted in partial fulfillment of the requirements of the Zoology Dept.'s Honors Program. Mention of a trademark name or a proprietary product does not imply its approval by the USDA to the exclusion of other products that may also be available. The cost of publishing this paper was defrayed in part by the payment of page charges. Under postal regulations, this paper therefore must be hereby marked advertisement solely to indicate this fact.
Abstract
