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This profile was last updated on 8/14/13  and contains information from public web pages and contributions from the ZoomInfo community.

Prof. Jonathan P. Gressel

Wrong Prof. Jonathan P. Gressel?

Minister Counselor

Phone: +20 *********
Local Address: Egypt
4700 River Road Unit 134
Riverdale , Maryland 20737
United States

Company Description: The USDA Process Verified Program provides suppliers of agricultural products or services the opportunity to assure customers of their ability to provide consistent...   more

Employment History

Board Memberships and Affiliations


  • B.Sc.
    Ohio State University
48 Total References
Web References
But abandoning chemical herbicides ... [cached]
But abandoning chemical herbicides completely is not a viable solution, says Jonathan Gressel, a weed scientist at the Weizmann Institute of Science in Rehovot, Israel. Using chemicals to control weeds is still more efficient than ploughing and tilling the soil, and is less environmentally damaging. "When farmers start to use more sustainable farming practices together with mixtures of herbicides they will have fewer problems," he says.
Seed Today - Article, 2 April 2003 [cached]
Rehovot, Israel -- Jonathan Gressel, Professor of Plant Sciences of the Weizmann Institute of Science in Rehovot, Israel, and colleagues observed that straw could increase animal production, by at least one third, if its lignin content is decreased through genetic modification.This process would make straw more digestible, and also increase the carbohydrate available to ruminant animals.
Gressel stated that if straw can be converted into hay-quality material using a combination of biotechnology, physical and chemical treatments, this roughage could be given more ecological and economic importance.
Latest News - The Mystery Of The Coca Plant That Wouldn't Die, 1 Nov 2004 [cached]
To get another view, I called Jonathan Gressel, one of the world's foremost experts on herbicide resistance and a professor of plant science at the Weizmann Institute of Science in Israel."The only surprise is that the drug mafia didn't do it sooner," Gressel said when I told him about reports of glyphosate-resistant coca."Privately, my colleagues and I have been predicting this for years."
Another way to explain the reported resistance, he said, was that over time the plants developed it naturally after repeated exposure.But in the case of coca, he estimated that it would take 20 years of constant spraying before a naturally resistant strain of the plant would establish itself.It was possible that farmers beat the odds and got lucky in the four years of intensive spraying."But the most reasonable explanation," Gressel told me, "is that the illicit narcotics world has genetically engineered the coca plant to be resistant to glyphosate."
"I thought it was unlikely," says Gressel, the plant scientist at the Weizmann Institute.
American Committee for the Weizmann Institute of Science:, 30 Aug 2004 [cached]
Corn harvests in some African countries have yielded striking results in long-term trials of an innovative witchweed-fighting technology developed by Prof. Jonathan Gressel of Weizmann's Plant Sciences Department.Witchweed is a parasitic weed that ravages grain crops.Prof. Gressel's solution is to coat herbicide-resistant seeds with herbicide before planting.Once the crop's plants sprout from the seeds, the parasites unwittingly devour the weed-killing chemical from the crop roots or surrounding soil and die.By the time the crop ripens, the herbicide has disappeared, leaving the food product unaffected.Prof. Gressel holds the Gilbert de Botton Chair of Plant Sciences.
Gordon Research Conferences - 2007 Program (Agricultural Science), 18 July 2007 [cached]
Jonathan Gressel (Weizmann Institute)
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