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1987年5～9月,在太行山区的左权县拐儿村,对40年生核桃树进行三十烷醇喷布试验。于雌花盛开期和幼果膨大期分别喷0.5ppm和1ppm的三十烷醇,以喷清水为对照。结果看出:在雌花盛开期与幼果膨大期连续喷布二次0.5ppm的三十烷醇,可极显著地提高座果率,比对照增加8.8%,而喷布1ppm及只
From May to September 1987, Triacontanol spray tests were conducted on the 40-year-old walnut trees in Shui’er Village, Zuoquan County, Taihang Mountain. In the female flower bloom period and infancy of young fruit were sprayed 0.5ppm and 1ppm of triacontanol, spray water as a control. The results showed that: in the female flower blooming period and young fruit enlargement continuous spraying secondary 0.5ppm triacontanol, can significantly improve fruit set rate, 8.8% increase compared with the control, and the distribution of 1ppm and only