水稻僵苗,有的也叫翻秋、坐蔸、迟发、赤枯病等等。叫法虽多,实质都是指水稻移栽后返青和分蘖期间,发生了一种障碍性生理病症。这种病症同样发生在繁殖制种亲本上,严重影响产量。 1 僵苗的原因 1.1 冷浸:有一些田分布在山丘地区的荫蔽,田垄的低畦处,由于受四周地势的影响,经常渗出冷水,造成泥温低、通透性差、有效磷缺乏、不利水稻生长、容易发生僵苗。属于这种类型的田还有滂泥田、鸭 Rice stiff seedlings, and some also called autumn, satyr, late, red blight and so on. Although the name is many, in essence refers to the rice transplanted green and tillering, the occurrence of a disorder of the physiological conditions. This condition also occurs in breeding parents, seriously affecting the yield. 1 cold Miao reasons 1.1 cold dip: There are some fields in the hills covered in shade, ridge ridge, due to the influence of the surrounding terrain, often oozing cold water, resulting in low mud temperature, poor permeability, lack of available phosphorus , Adverse rice growth, prone to stiff seedlings. Fields belonging to this type are also mud fields, ducks