一、福建省一九八三年稻瘟病菌生理小种分布为了解我省今年稻瘟病生理小种的分布情况,从全省22个县(市)收集早、晚稻病标样118个,前后测定了15批,第一批于5月上旬开始播种,最后一批于十月下旬鉴定结束。测定结果: 参试118个有效菌株,鉴定出七群22个生理小种,分布于我省七个地区,22个县 (市),ZA群内有A1、9、13生理小种,分布5个县、ZB群内有B1、3、5、9、11、13、15、25、29、31生理小种、分布19个县(市),ZC群内有C7、9、11、13、 I. Distribution of Physiological Races of Magnaporthe grisea in Fujian Province in 1983 In order to understand the distribution of physiological races of rice blast in our province, 118 early and late rice disease samples were collected from 22 counties (cities) Fifteen batches were tested, the first of which was sown in early May and the last one was finalized in late October. Results: 118 effective strains were tested, seven groups of 22 physiological races were identified, distributed in seven districts and 22 counties (cities) in our province. There were A1, There were B1, 5, 9, 11, 13, 15, 25, 29 and 31 physiological races in ZB group. There were 19 counties (cities) distributed in ZB group, C7,