稻纵卷叶螟(俗称“卷叶虫”)是水稻生产上的主要害虫之一,它以幼虫取食水稻叶片的叶肉,仅留下表皮和叶脉,形成“白叶”,影响稻株的光合作用。在水稻生长中后期,危害剑叶下二三片功能叶,造成谷粒不饱满,空壳率增加,引起减产。根据我地的经验总结出了“四看四定”防治稻纵卷叶螟 Rice leaf roller (commonly known as “leaf roller”) is one of the major pests in rice production, which takes larvae to leave the leaf of rice leaves, leaving only the epidermis and veins, forming a “white leaf” affecting rice plants Photosynthesis. In the late rice growth, endangering the function leaves under the flag leaf two or three, resulting in grain is not full, empty shell rate increases, causing cut. According to my experience summed up the “four see four set” control of rice leaf roller