水稻是重要的食物来源,占世界五分之一的谷物消费量。杂草是影响水稻产量的最严重因素,水稻田杂草的防除主要依靠化学除草剂,但连续地使用化学除草剂会对杂草产生选择压力,导致杂草抗性生物型的产生。为了防除这些抗性杂草,除草剂的用量就会不断地增加,最终导致生产成本明显增 Rice is an important source of food, accounting for one-fifth of the world’s cereal consumption. Weeds are the most serious factor affecting rice yield. The control of weeds in paddy fields mainly depends on chemical herbicides. However, the continuous use of chemical herbicides will cause selective weed pressure, resulting in weed resistant biotypes. In order to control these resistant weeds, the amount of herbicide will continue to increase, eventually leading to significantly increased production costs