危害水稻(特别是杂交稻)中后期(花期至穗期)的病害较多,主要有穗颈瘟、稻曲霉病、稻粒黑粉痛、紫秆病、云形病、褐色叶枯病、叶鞘腐败病、纹桔病等,对这些病害若防治不力,轻则减产10%左右,重则减产20～30%,甚而颗粒无收。上述病害,除穗颈瘟采用三环唑、灭瘟素、异稻瘟净、稻瘟净等农药专治外,其余的病害可采用粉锈灵(又名三唑酮,高效低毒、低残留、持效期长、内吸性强)杀菌剂防治,这样可大大地简化“对症用药、一药治一病”的繁琐防病程序,以利省工、省本、省时和改变“一病防、一病兴”给防治上造成被动的局面和不良的后果。现将“粉锈灵”防 Harm rice (especially hybrid rice) in the late (flowering to heading) disease more, there are panicle blast, aspergillosis, rice black powder pain, purple stalk disease, cloud disease, brown leaf blight, Leaf sheath rot disease, orange tangerine disease, if the disease prevention and control of these ineffective, ranging from about 10% cut, while reducing the production of 20 to 30%, and even crop failure. The above diseases, except for the use of tricyclazole, blasticidin, blasticidin, rice blast and other pesticides, the rest of the disease can be used powder Fenling (also known as triadimefon, high efficiency and low toxicity, low Residual, long duration, absorption strong) fungicide control, which can greatly simplify the “symptomatic medication, a drug cure a disease,” the cumbersome disease prevention program to facilitate the provincial labor, capital, time-saving and Change “a disease prevention, a sick Xing ” to prevent and control the passive situation and adverse consequences. Now “pink rust Ling ” anti