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香石竹为我市重要切花。有70年的栽培历史,1965年栽培面积达163亩,产花38万7千多束。十年浩劫,破坏殆尽。近年来经市园林部门大力扶植,1980年已恢复到年产6万多束。但在生产过程中,叶斑病(Alter-naria dianthi stev Har)的为害严重,往往造成全军覆没。从1978年开始,对该病进行了研究,并进行多次防治试验。1983年进行了较大规模的药剂试验,于陇西六队和上海花圃以承包方式作了示范推广,初见成效。一、试验方法 (一)药剂、浓度、间隔期试验。实验田设于本所,约半亩。分五种处理:①1%波尔多液隔10天喷1次;②1%波尔多液和70%
Carnation for the city cut flowers important. There are 70 years of cultivation history, 1965 cultivation area of 163 acres, yielding more than 387,000 bundles. Ten years catastrophe, destroyed. In recent years, the city gardening sector vigorously support, in 1980 has been restored to an annual output of more than 60,000 bundles. However, in the production process, leaf-spot disease (Alter-naria dianthi stev Har) is seriously devastated and often leads to annihilation. Since 1978, the disease has been studied and conducted several prevention and control tests. In 1983, a large-scale pharmaceutical experiment was carried out. The project was contracted by the Sixth Longxi Team and the Shanghai Flower Garden for demonstration and promotion, and initial success was achieved. First, the test method (A) Pharmacy, concentration, interval test. Experimental field set in the Institute, about half acres. Divided into five treatment: ① 1% Bordeaux spray every 10 days 1; ② 1% Bordeaux mixture and 70%