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在果树、林木和花卉扦插繁殖上,用来促进生根的化学药剂很多,这些化学药剂之中,目前生产上用得最多的,首推α—萘乙酸(NAA)。近年来,广州氮肥厂研制的穗丰牌“802”植物生长调节剂,具有多种功能,对促进萌芽、发根、生长及保花保果等均有较好的效果。我们在快速扦插繁殖油茶优良无性系的科研中,为寻找新的促进插穗发根效果好的化学药剂,曾用“802”作油茶插穗处理试验,现将试验结果整理出来,供生产上应用参考。材料与方法“802”为广州氮肥厂产品,茶褐色液体,参考产品说明书,将原液用清水稀释成2,000倍和4,000倍两种试验浓度。另用湖南师院化工厂生产的含量为98%的α—萘乙酸,配制成油茶扦插常用的浓度100ppm,与“802”作相互比较。以配制“802”和α—萘乙酸用的清水作空白对照。
In fruit trees, trees and flowers cutting propagation, to promote rooting many chemicals, these chemicals, the most used in the production of the most important alpha-naphthalene acetic acid (NAA). In recent years, Guangzhou Nitrogen Fertilizer Plant developed Suifeng brand “802” plant growth regulator, has a variety of functions, to promote germination, hair root, growth and flower protection fruit and so have a good effect. We are in the fast cutting propagation of Camellia clones in scientific research, in order to find new to promote cutting hair root effect of good chemicals, used to “802” for Camellia cuttings processing test, now the test results are sorted out for the production of application reference . Materials and Methods “802” was a product of Guangzhou Nitrogen Fertilizer Plant, a dark brown liquid, and reference product manual. The original liquid was diluted to 2,000 times with water and 4,000 times with two test concentrations. The other with the Hunan Normal University chemical plant production of 98% of α-naphthalene acetic acid, formulated into the commonly used oil tea cuttings concentration of 100ppm, and “802” for comparison. To prepare “802” and α-naphthalene acetic acid with clean water as a blank control.