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紫茎泽兰开花比较整齐。春季,白色的头状花在原野极易发现。由于植物营养集中于花蕾,在花期进行化学防除,有可能提高新侵入地区对紫茎泽兰的防除效果。试验设在双柏县城郊小庙河水库边,海拔1930米。1984年3月6日施药。施药时15%的花萼已展开,85%的植株处于花蕾期。种子成熟采收种子进行保湿发芽试验。雨季开始,二次透雨后,检查老蔸萌发数。试验分八个处理。(1)100cc 72%2,
Eupatorium adenophorum flowering more neat. Spring, white head flowers easily found in the wilderness. Because plant nutrition is concentrated on flower buds, chemical control during florescence may improve the control of Eupatorium adenophorum in newly invaded areas. The experiment is located in Shuibai County suburb Xiaomiaohe Reservoir, 1930 meters above sea level. March 6, 1984 pesticide application. 15% of the calyx has been applied and 85% of the plants are in bud stage. Seed ripe seeds harvested seed moisture test. The beginning of the rainy season, after the second through the rain, check the number of Laodeau germination. Test points eight processing. (1) 100 cc 72% 2,