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Seed germination control process revealed
West Lafayette, Ind. (UPI) Mar 12, 2009 U.S. researchers say they have identified a process involved in regulating seed germination, preventing crops from germinating in adverse conditions. Purdue University scientists led by Professor Mike Hasegawa and former postdoctoral student Kenji Miura discovered the step involved in keeping seeds from germinating in freezing conditions or during a drought. The work is part of ongoing research that has uncovered how similar processes affect a plant's freeze tolerance and absorption of phosphate. "We've found the process, called sumoylation, is involved in the regulation of some major agricultural traits," Hasegawa said. "It is fundamental, basic research like this that allows us to understand how plants respond to hormones and environmental conditions." The study, funded by the National Science Foundation and the U.S. Department of Agriculture, is reported in the early online edition of the Proceedings of the National Academy of Sciences. Share This Article With Planet Earth
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Liberia invaded by crop-eating caterpillars again: ministry
Monrovia (AFP) March 12, 2009Liberia has been hit by a second invasion of crop-destroying caterpillars which have wreaked havoc in the west African nation, agriculture ministry officials said Thursday. |
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