水稻紫鞘病在我地普遍发生,重病株不实粒增加,千粒重降低,损失15％左右。对于紫鞘的发生原因,目前尚有争论。主要有螨害和半知菌病害之说。两年来,我们对此讲行了初步探讨。 Chlamydomonas reinhardtii is common in our country, and the seriously ill plants increase the number of unfilled grains and reduce the weight of 1000 grains, with the loss of about 15%. The reasons for the occurrence of purple sheath, there is still controversy. There are mainly mite damage and disease known as half-known disease. In the past two years, we have talked about this issue tentatively.