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本文报道了提高苹果试管苗自身抗性的途径及外移的适宜环境条件,以解决苹果试管苗移栽的困难。试验结果表明,生根试管苗移栽前,先在瓶内(不去瓶塞)进行14～21天、18～35klx的强光锻炼,可使幼茎组织充实,叶大而浓绿,根系发育良好,提高了抗性,是试管苗外移成功的关键性措施。选用壮苗,用蛭石与砂土的混合基质,在较低温度(日均温25℃左右,最高温不超过29℃),较高湿度(85％以上),适当光照(18klx左右),并注意防病的条件下,可使大批量生产性试验的过渡移栽成活率达到92.5％,大田移栽成活率达90％以上。
This paper reports the ways to improve the resistance of apple plantlets to self-resistance and the suitable environmental conditions for relocation, in order to solve the difficulties of apple plantlets transplanting. The results showed that the rooting of test-tube seedlings before transplanting, first in the bottle (without corks) for 14 ~ 21 days, 18 ~ 35klx of light training, can make young stems enrichment, large and dark green leaves, root development Good, improved resistance, is a key measure of the success of test tube migration. Selection of strong seedlings, with vermiculite and sand mixed matrix, at lower temperatures (average daily temperature of about 25 ℃, the maximum temperature does not exceed 29 ℃), higher humidity (85% or more), appropriate light (18klx or so) And pay attention to disease prevention conditions, can make large-scale productive trials of transplanting survival rate reached 92.5%, transplanting survival rate of more than 90%.