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当前位置: 首页 > 文章 > 不同药剂预处理对闽楠种子萌发的影响 林业与环境科学 2017,33 (1) 54-58
Position: Home > Articles > Effects of Different Chemical Pretreatments on Seed Germination of Phoebe bournei Forestry and Environmental Science 2017,33 (1) 54-58

不同药剂预处理对闽楠种子萌发的影响

作  者：
李娟;谭文婧;刘艺玮;陈林;林建勇;梁瑞龙
单  位：
广西壮族自治区融水县国营贝江河林场;广西壮族自治区国有大桂山林场;广西壮族自治区林业科学研究院
关键词：
闽楠;萘乙酸;K2SO4;KH2PO4;活力素;种子萌发;幼苗生长
摘  要：
通过4种药剂浸种对闽楠(Phoebe bournei)种子进行发芽对比试验,结果表明:4种药剂浸种可以促使闽楠种子提前萌发,提高种子发芽势和发芽率;其中,萘乙酸(NAA)浸处理的种子发芽率、发芽势和发芽指数均高于其它处理,分别为93.33%、31.67%、2.59,其次为KH_2PO_4(83.33%、30.00%、2.39);萘乙酸和KH_2PO_4处理的胚根(均为4.3 cm)和胚芽(均为1.5 cm)长度最长,显著高于对照(胚根3.3 cm,胚芽1.1 cm)(P<0.05)。研究表明萘乙酸和KH_2PO_4不仅能促进闽楠种子萌发,对闽楠芽苗的生长也有显著促进作用。
译  名：
Effects of Different Chemical Pretreatments on Seed Germination of Phoebe bournei
作  者：
LI Juan;TAN Wenjing;LIU Yiwei;CHEN Lin;LIN Jianyong;LIANG Ruilong;Guangxi Forestry Research Institute;Guangxi Rongshui County State Beijianghe Forest Farm;Guangxi County State Daguishan Forest Farm;
关键词：
Phoebe bournei;;NAA;;K2SO4;;KH2PO4;;plant-mineral-elements;;seed germination;;seedling growth
摘  要：
The comparative experiment on seed germination of Phoebe bournei was tested by four types of medicament immersions. The results showed that soaking by all 4 medicaments could promote the earlier germination of P. bournei seeds and improve the germination potential and germination rate. Among them, NAA soaking treatment on the seed germination rate, germination potential and germination index were higher than other treatments, which were 93.33%, 31.67%, and 2.59 respectively, followed by KH_2PO_4, which were 83.33%, 30.00%, and 2.39 respectively. The longest radicle(4.3 cm)and germ(1.5 cm)were reported in seeds treated by NAA and KH_2PO_4 and significantly higher than the control(radicle 3.3 cm, germ 1.1 cm)(P<0.05). The study indicated that NAA and KH_2PO_4 could not only promote the seed germination of P. bournei, but also had a significant promoting effect on the growth of P. bournei seedlings.

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