Gray mold, which is induced by B.cinerea, has become the first of the three major diseases on tomato in some area. It can be harm to the growth of plants and the fruits during the storage and transportation. It seriously restricts the sustainable development of tomato production. Long-term use of chemicals not only make the resistant pathogens, significantly reduced the control effect, but also pollute environmental, harm to human health, destruction of ecology and sustainable development. Because of it has...