论文部分内容阅读
小麦条锈病是我省小麦的严重病害。过去由于品种不抗锈,加上关中地区春季气候条件适宜条锈病菌的侵染,因此条锈病经常流行。大流行年份减产达20-40％。实践证明,推广抗锈品种是防治锈病为害的一项最经济有效的措施。我省在防锈斗争中,特别注重了抗锈品种的选育和推广。在生产上分期、分批的更换了抗锈品种,使抗锈良种占麦田面积的70％以上。从而八年来基本上控制了条锈病的流行和为害。小麦产量逐年上升。
Wheat stripe rust is a serious disease of wheat in our province. In the past, stripe rust was the most common cause of rust in the past due to the variety being resistant to rust and the spring climatic conditions in the Central Shaanxi Province suitable for the infection of the stripe rust bacteria. Year of pandemic cut 20-40%. Practice has proved that the promotion of anti-rust varieties is the most economical and effective measures to prevent rust damage. Anti-rust struggle in our province, with particular emphasis on breeding and promotion of anti-rust varieties. Stages in production, batches of the replacement of anti-rust varieties, so that the anti-rust seeds accounted for more than 70% of the wheat field area. Thus, it basically controlled the prevalence and harm of stripe rust in the past eight years. Wheat production increased year by year.