Highlights of Other Collaborations

In addition to the UVMRP sponsored and funded research efforts described in Sections 8.7.1 through 8.7.6, further research collaborations include:

Cornell University: Dr. Craig N. Austin has focused his research on how UV-B radiation affects the development of powdery mildew on the fruit and foliage of wine grape plants grown in the Finger Lakes Region of New York State. For two summers, the UVMRP supplied a portable UV-B monitoring instrument used in some components of the studies. The objectives of these studies were to: (1) determine the effects of shading versus direct sun exposure on the development of powdery mildew on both fruit and foliage, and investigate the possible mechanisms involved;

(2) determine the degree of powdery mildew control provided by exposing fruit and foliage to sunlight via practices such as pruning, training, and leaf pulling; and

(3) investigate the interaction of sun exposure and plant water status on powdery mildew development.

USDA Animal and Plant Health Inspection Service: For three consecutive winters from 2001 to 2004, the UVMRP supplied two UV monitoring stations to the USDA APHIS, Veterinary Services, National Animal Health Programs Wildlife Disease group to study the effect of UV radiation on brucellosis persistence in the

Yellowstone National Park ecosystem. The research on the transmission of this potentially devastating disease is a major priority which has involved federal and state agencies, animal health professionals, wildlife professionals and enthusiasts, and cattle ranchers in Montana and Wyoming. Preliminary findings from the study suggest that UV radiation plays a large role in the degradation of Brucella abortus. This finding suggests that continued monitoring of UV radiation levels could be an important tool in managing the disease.

Southern University: Responses of 35 tree species to UV-B radiation are being quantified by Dr. Yadong Qi.

University of California, Davis, Desert Research and Extension Service: Dr. Paul Sebesta is investigating the effect of UV-B and PAR in comparing sugarcane yields for ethanol production in Southern California, Louisiana, and Florida.

University of Nebraska at Lincoln: Dr. Elizabeth Walter-Shea and Dr. Kenneth Hubbard conducted investigations of UV radiation levels within vegetative canopies, and how these levels affect microoganisms.

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