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从1963年以来,利用各种机会,对沙漠地区的沙生植物病害作了初步的调查研究,对其中几种作了较重点的研究,并整理出“宁夏沙区沙生植物病害名录”一份(见附表)。 柠条叶锈病(Uromyces sP·) 一、危害情况:此病遍布全沙区,主要危害柠条和花棒等幼苗和林木的叶子,尤以苗圃幼苗得病重,病叶提早脱落,幼苗得病严重时,会使枝梢枯死。据调查,一九六六年十月,灵武羊岔湾地区大面积的柠条林木,发病株率在百分之三十以上;一九七八年十月,灵武县白芨滩防沙林场柠条和花棒苗圃,发病株率达百分之九十以上。
Since 1963, taking advantage of various opportunities, preliminary investigation has been made on desert plant diseases in the desert areas. Several studies have been made on these issues and the “List of Diseases in Sandy Plant Diseases in Ningxia Sand Area” has been sorted out. Copies (see schedule). Krypton rust (Uromyces sP ·) First, the damage situation: the disease all over the sand area, the main hazard Caragana and Hedysarum other seedlings and forest leaves, especially nursery seedlings get sick, sick leaves fall off earlier, the seedlings are sick Serious, it will make shoots dead. According to the survey, in October 1966, large areas of Caragana korshinskii trees in the Lingwu sheep breeding area had a rate of more than 30%. In October 1978, Forest Caragana and Hualien nursery, the incidence rate of more than 90 percent.