天水地区小麦条锈病流行规律研究简报

本文报道了天水地区小麦条锈菌的越夏越冬高度和主要地区范围,因降雨(雪)多少和温度高低的变化情况,以及秋、春季的发生发展规律,并且首次证明,天水地区小麦条锈菌的秋季菌源可随风传入关中,成为关中秋季发病的主要菌源。此外,还提出了防治策略。

A Brief Report on ths Epidemiology of Wheat Stripe Rust in Tianshui Area of Gansu Province

This paper reported the changing range of oversummering and overwintering altitude, the main area range, the changing conditions depending on the variations of rainfall, snowfall and temperature, and the epidemiology of stripe rust in autumn and spring in Tianshui area of Gansu Province. The paper first verified that in autumn the pathogen of wheat stripe rust was transmitted with the wind to Guanzhong area in Shaanxi Province, and it became the main source of wheat stripe rust in autumn. In addition, a strategy for controlling the stripe rust in Tianshui area was suggested.