Advances in researches on  induced plant resistance to insects by external-used jasmonates.
											  
												Author of the article:XU Jian-Xiang,CAO Wei-Ju
												Author's Workplace:(Department of Plant Protection, Agricultural College, Yangzhou University, Yangzhou 225009,China)
												
												Key Words:jasmonates; induced resistance to insects; mechanism
												
												Abstract:Jasmonates (Jas) are important endogenous signal molecules in the activation of several plant defense responses against insects.Endogenous and externalused Jas induced plant resistance to insects and the   chemical and molecular mechanisms,the benefits