摘要
以使君子为供试材料,设置5种不同基质和3种不同年龄插穗处理,比较分析不同基质和不同年龄插穗对使君子扦插生根率、根系和抽梢生长的影响。结果表明:以表土+珍珠岩(体积比1∶1)为基质的使君子扦插苗的平均生根率、平均根条数、平均根长、平均抽梢率和平均梢长均为5种基质中最高。采用木质化插穗(1~2年生),其平均抽梢率极显著高于老穗条和半木质化穗条,平均生根率、平均梢长显著高于老穗条和半木质化穗条。
Cuttings of Quisqualis indica collected from plants at different ages were cultured on different substrates to compare the effects of substrates and cuttings of different sources on the rooting rate, root growth and shoot growth. The results showed that the cuttings cultured on the substrate of surface soil mixed with perlite at a ratio of 1:1 gave the best performance in rooting rate, rooting number, rooting length, rooting rate and rooting length among those cultured on the 5 substrates. Lignified cuttings(1 to 2 years old branches) had a high average sprouting rate, highly significantly higher than those of the older or semi-lignified cuttings, and their average rooting rate and the average shoot length were significantly higher than those of the older or the semi-lignified cuttings.
引文
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