千金子为禾本科千金子属一年生杂草，生活力强，繁殖率高，危害相当严重，已成为象山县农田，尤其是直播稻田和部分受旱移栽稻田的最主要恶性杂草之一。其发生危害程度已远远超过种草等常见稻田杂草，极易造成严重草害甚至水稻绝收。我们通过近两年的协作攻关，明确了稻田千金 As one of the annual weeds in the stem of Hemiptera frugiperda, hemlock is one of the most important weeds with strong vitality, high reproduction rate and serious harm. It has become one of the most serious weeds in the fields of Xiangshan County, especially in the direct-seeded rice fields and partially transplanted paddy fields. The extent of its harm has far exceeded the common weed grass and other weeds, can easily cause serious grass damage and even rice harvest. Through the collaborative research in the past two years, we have clearly defined the golden paddy fields