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小麦全蚀病1977年在晋东南地区首次发现,目前在雁北、忻县等地区也有发生。1977-1978年在阳城、沁水、长治、长子等县调查,平均发病率1.8%。其中沁水县发病最重,平均发病率4.7%,端氏大队一块小麦试验地(前茬是连作4年的菜园地),种植泰山4号,发病率60%,减产一半以上。1978年在高平县城关公社城北大队调查,长治528受病较重,百穗减产率67.7%,千粒重减少46.2%,穗粒数减少40%;泰山1号受病较轻,百穗减产率31.4%,千粒重减少5.2%,穗粒数减少19.2%。
Total eclipse of wheat was first discovered in southeastern Shanxi in 1977 and is also occurring in Yanbei and Xinxian areas. 1977-1978 in Yangcheng, Qinshui, Changzhi, eldest son and other counties surveyed, the average incidence of 1.8%. Among them, Qishui county had the highest incidence with an average incidence rate of 4.7%. A wheat trial plot of Duan’s brigade (the former crop was a vegetable garden for 4 years) was planted with Taishan No. 4, with a disease incidence of 60% and a yield reduction of more than half. Changping 528 was seriously ill in Changzhi County in 1978. Changbai 528 suffered 67.7% of the disease and its grain weight was reduced by 46.2% and the number of grain per spike was reduced by 40%. Taishan No. 1 was less affected and the yield per ear was 31.4 %, The thousand-kernel weight decreased by 5.2% and the number of grains per panicle decreased by 19.2%.