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231份麦类种质资源对大麦黄矮病毒的田间抗性鉴定

引用本文：闫佳会,侯璐,姚强,郭青云.231份麦类种质资源对大麦黄矮病毒的田间抗性鉴定.植物保护学报,2018,45(3):416-422

DOI：10.13802/j.cnki.zwbhxb.2018.2017135

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作者	单位	E-mail
闫佳会	青海大学农林科学院, 农业部西宁作物有害生物科学观测实验站, 青海省农业有害生物综合治理重点实验室, 西宁 810016
侯璐	青海大学农林科学院, 农业部西宁作物有害生物科学观测实验站, 青海省农业有害生物综合治理重点实验室, 西宁 810016
姚强	青海大学农林科学院, 农业部西宁作物有害生物科学观测实验站, 青海省农业有害生物综合治理重点实验室, 西宁 810016
郭青云	青海大学农林科学院, 农业部西宁作物有害生物科学观测实验站, 青海省农业有害生物综合治理重点实验室, 西宁 810016	guoqingyunqh@163.com

中文摘要:为明确不同麦类种质资源对大麦黄矮病毒（Barley yellow dwarf viruses，BYDV）的抗性差异，于2015-2016年连续两年采用堆测法在田间人工接种鉴定了231份麦类种质资源的抗病性。结果表明，不同麦类种质资源对BYDV引起的黄矮病的抗性存在较大差异，2015-2016年，克群、加麻白芒麦、墨沙、绿见口和灰木头的平均病情指数分别为20.40、22.28、23.08、22.34和13.08，对黄矮病表现出较好的抗性；团结红壳麦-K、红矮子、定兴寨、旱地小麦、小红狼、榔头麦、峥白毛、金包银、红四楞、赤壳须麦及和穗板麦的平均病情指数分别为74.68、71.62、70.36、68.44、65.17、64.74、63.29、60.97、55.78、56.42和53.21，均大于50.00，表现为高感；其余种质资源的平均病情指数在25.00~50.00之间，表现为感病。此外，长芒芒、冰糖色小麦、苏麦、红皮麦、小红穗和青兰麦初期表现感病，后期可恢复健康，有一定的耐病性。抗病性不同的麦类种质资源感染BYDV后，对产量的影响差异很大，其中抗病资源绿见口的产量损失率最低，为8.87%，耐病资源长芒芒、冰糖色小麦、苏麦、红皮麦、小红穗和青兰麦的产量损失率依次为16.90%、17.40%、15.04%、13.13%、18.94%和11.57%，而感病资源和穗板麦的产量损失率达43.57%。

中文关键词:小麦黄矮病品种抗病性鉴定堆测法

Evaluation of the resistance of 231 wheat germplasm resources to Barley yellow dwarf virus

Author Name	Affiliation	E-mail
Yan Jiahui	Key Laboratory of Agricultural Integrated Pest Management, Scientific Observing and Experimental Station of Crop Pest in Xining, Ministry of Agriculture Academy of Agriculture and Forestry Sciences, Qinghai University, Xining 810016, Qinghai Province, China
Hou Lu	Key Laboratory of Agricultural Integrated Pest Management, Scientific Observing and Experimental Station of Crop Pest in Xining, Ministry of Agriculture Academy of Agriculture and Forestry Sciences, Qinghai University, Xining 810016, Qinghai Province, China
Yao Qiang	Key Laboratory of Agricultural Integrated Pest Management, Scientific Observing and Experimental Station of Crop Pest in Xining, Ministry of Agriculture Academy of Agriculture and Forestry Sciences, Qinghai University, Xining 810016, Qinghai Province, China
Guo Qingyun	Key Laboratory of Agricultural Integrated Pest Management, Scientific Observing and Experimental Station of Crop Pest in Xining, Ministry of Agriculture Academy of Agriculture and Forestry Sciences, Qinghai University, Xining 810016, Qinghai Province, China	guoqingyunqh@163.com

Abstract:To definite the resistance difference of wheat germplasm resources to Barley yellow dwarf viruses (BYDV), 231 wheat germplasm resources were tested using artificially inoculated with viruliferous aphid Schizaphis graminum using hill plot technique on field in 2015 and 2016. The results showed that BYDV resistance were varied significantly among 231 wheat germplasm resources. The disease indexes of Kequn, Jiamabaimangmai, Mosha, Lüjiankou and Huimutou were 20.40, 22.28, 23.08, 22.34 and 13.08, respectively, showed resistance to BYDV in 2015-2016. In contrast, Tuanjiehongkemai-K, Hong'aizi, Dingxingzai, Handixiaomai, Xiaohonglang, Langtoumai, Zhengbaimao, Jinbaoyin, Hongsileng, Chikexumai and Hesuibanmai of which the disease indexes were 74.68, 71.62, 70.36, 68.44, 65.17, 64.74, 63.29, 60.97, 55.78, 56.42 and 53.21, respectively, for these wheat germplasm resources of which the disease indexes all was higher than 50.00, were considered to be highly susceptible to BYDV. The rest wheat germplasm resources with disease indexes ranging from 25.0 to 50.00 were susceptible to BY-DV. Furthermore, six wheat germplasm resources, Changmangmang, Bingtangsexiaomai, Sumai, Hongpimai, Xiaohongsui and Qinglanmai, which showed susceptible to BYDV on early stage but alleviated or disappeared at grain-filling stage, these six wheat germplasm resources showed tolerance to BYDV. Significant difference was observed on yield loss when wheat germplasm resources contained different resistance were infected with BYDV. The yield loss of the germplasm resource, Lüjiankou was 8.87%, followed by tolerant varieties, Changmangmang, Bingtangsexiaomai, Sumai, Hongpimai, Xiaohongsui and Qinglanmai, with 16.90%, 17.40%, 15.04%, 13.13%, 18.94% and 11.57% yield loss, respectively, while susceptible variety Hesuibanmai showed the yield loss as high as 43.57%.

keywords:wheat yellow dwarf disease germplasm resistance identification hill plot technique

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