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秋白梨是辽宁省梨主栽品种,年产量占全省梨总产的三分之一左右。秋白梨幼树生长旺,枝条直立性强,在一般管理条件下,不易早成花早结果。国内外研究资料表明,在幼树期间喷布适当的生长调节剂,对抑制新梢生长、促进花芽形成均有良好效应。“对在营养生长期的幼树,喷布乙烯利,可有效地促进其进入开花期”(福斯特1980)。日本高木、中川等(1973)在四年生长十郎的徒长枝上,从展叶到7
Autumn pear is the main pear varieties in Liaoning Province, the annual output of about one-third of the province’s total output of pear. Autumn pear white young growth, strong vertical branches, under general management conditions, not easy to get as early as early flowers results. Domestic and foreign research data show that during the saplings spray appropriate growth regulators, to inhibit the growth of shoots and promote flower buds have a good effect. “Sprinkling ethephon on young saplings during vegetative growth can effectively promote their entry into flowering” (Foster 1980). Japan’s Takagi, Nakagawa (1973) grew up in four years Jurong leggy branches, from the leaves to 7