5个抗条锈冬小麦新品种（系）农艺性状观察及评价.pdfVIP

甘肃农业科技 2008年 第3期 Gansu Agr．Sci．and Techn． No．3 2008 3 5个抗条锈冬小麦新品种(系)农艺性状观察及评价 鲁清林 ，汪恒兴 ，周 刚· (1．甘肃省冬小麦研究所，甘肃 兰州 730020；2．甘肃省天水农业学校，甘肃清水 741400) 摘要：对甘肃省冬小麦研究所育成的5个抗条锈冬小麦新品种(系)进行了农艺性状观察及评价。结果表明， 00—30和兰天19号抗寒、抗旱、抗锈、丰产，宜在陇南山旱地、临夏州等地种植；96—43—5抗寒、抗锈、丰产，宜在甘肃 中部及河西走廊冬麦区种植；SH197抗寒、抗旱、抗锈，但丰产性欠佳，宜作为抗源亲本在育种中重点利用。 关键词：冬小麦I条锈病；农艺性状；评价 中图分类号：$512．1 文献标识码：A 文章编号：1001—1463(2008)03—0003—03 Analysis and Observation on Agronomic Characters of 5 New Winter Wheat Varieties(Lines)with Resistace to Stripe Rust LU Qing—lin。，WANG Heng—xing。，ZHOU Gang。 (1．Winter Wheat Research Institute of Gansu Province，Lanzhou Gansu 730020，China；2．Tianshui Agricultural School of Gansu Province，Qingshui Gansu 741400，China) Abstracts：On the basis of trial result，analysis and observation on agronomic characters of 5 new winter wheat vari— eties(1ines)with resistaee to stripe rust，these varieties were bred to use stripe rust-resistant material of different genetic background by Winter Wheat Research Institute of Gansu province．Result showed that O0—30 and Lantian1 9 with cold—resis— tant，drought—resistant，stripe rust-resistant and high yield which adapted to dry areas of longnan and Linxia district，and 96- 43-5 with cold—resistant，stripe rust-resistant and high yield which adapted to the middle part of Gansu province and Hexi cor— ridor．It may be used as the key material of stripe rust—resistant in breeding that SH1 97 with cold-resistant，drought-resistant and stripe rust—resistant，but poor yield． Key words：Winter wheat；Stripe rust；Agronomic characters I Analysis 小麦条锈病是我国小麦最重要的病害之一，推 1．2 试验方法 广应用抗条锈品种是防治小麦条锈病最经济有效的 试验于2006—2007年在甘肃省清水县天水农 方法之一。小麦抗锈性易于丧失成为长期以来困扰 业学校教学实习农场进行，小区面积3．34 m。，小区 育种工作的一大难题，其主要原因是抗锈性基因和 行长3．34 m，行距0．20 m，每小区种植5行，重复3 抗锈类型的单一化