浅谈大豆倒青原因及预防措施

• 作 者: 孟全伟
• 机 构: 沈丘县李老庄乡农业服务中心,
• 出 处: 河南农业
• 发表日期: 2014年01期
• 关键词: 大豆植株 提前预防 防止措施 夏大豆 生育期 籽粒 种植 晚熟 青棵 绿色 茎叶 豆荚 产量 不饱

大豆倒青症是指到了正常成熟的时期,大豆植株茎叶、豆荚仍保持青绿色,有的正常结荚鼓粒,有的结荚鼓粒但籽粒不饱满,有的有荚无粒甚至无荚无粒,造成大豆生育期推迟,不能正常结实成熟和收获。大豆倒青症对产量威胁很大,轻者减产,严重者绝收。要种植好夏大豆,应该充分了解大豆贪青晚熟、青棵不实发生的原因和防止措施,提前预防。一、大豆倒青的原因(一)选用品种不适宜一是盲目引种,大豆是短日照

Soybean is the normal period of maturity, soybean plant stems and leaves, pods still remain turquoise, and some normal pod drums, some pod drums but the grain is not full, and some pods without grain or even without Pods without grain, resulting in soybean growth period postponed, can not normally mature and harvest. Soybean spawning a great threat to the production, the light production cuts, in serious cases. To grow good summer soybean, you should fully understand the turmeric late Qingqing, Aoki false causes and prevention measures to prevent in advance. First, the reasons for the decline of soybeans (A) Selection of varieties is not suitable First, the blind introduction, soybeans are short sunshine