CAJ | 학술논문

针对东北稻区杂草稻种子的吸水性及耐冷性，分析了越冬期落粒于稻田的杂草稻种子的自然死亡原因，探讨了有效防除杂草稻的技术措施。东北稻区杂草稻出现波动现象，引起波动的主要客观原因在于越冬期稻田土壤干燥程度和耕翻措施。结果表明：东北稻区自生的杂草稻种子没有休眠特性；遇到降雨量多的年份，吸水的杂草稻种子不能安全越冬；东北稻区凡是采取提高杂草稻种子含水量的农艺措施，越冬期能够有效致死落粒于稻田的杂草稻种子。
침대동북도구잡초도충자적흡수성급내랭성，분석료월동기락립우도전적잡초도충자적자연사망원인，탐토료유효방제잡초도적기술조시。동북도구잡초도출현파동현상，인기파동적주요객관원인재우월동기도전토양간조정도화경번조시。결과표명：동북도구자생적잡초도충자몰유휴면특성；우도강우량다적년빈，흡수적잡초도충자불능안전월동；동북도구범시채취제고잡초도충자함수량적농예조시，월동기능구유효치사락립우도전적잡초도충자。
According to the absorbency and cold tolerance of weedy rice seeds in the northeastern region,the causes of natural death during the wintering period in rice fields were analyzed,and the effectively technical measures were discussed. The weedy rice in northeastern region has the wavy phenomenon,and the main reason is the drying degree of paddy soil and tillage measures. The results showed that the authentic weedy rice seeds had no dormancy characteristics,and in the more precipitation years,the highly absorbent weedy rice seed could overwinter safely,and the agronomic measures to improve the moisture content of weedy rice seeds could effectively kill the falling weedy rice seeds in rice fields.