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植物生长调节剂对五指毛桃扦插生长的影响
黄锦荣1, 邓春亮2, 朱昔娇1, 张冬生1, 王溢豪1,3, 谢俊龙1,3, 谢金兰1, 林创标4
1.梅州市农林科学院林业研究所;2.嘉应学院;3.广东环境保护工程职业技术学院;4.梅州市林业局种苗站
摘要:
采用双吉尔 ( 生根粉 )GGR、萘乙酸 NAA 和吲哚丁酸 IBA3 种植物生长调节剂,分别设置 50、 100 、150、200、250、300 mg · L-1 6 个梯度浓度溶液浸泡处理五指毛桃 Ficus hirta 插条基部 8 h,以清水处理作为对照,研究不同浓度的植物生长调节剂对五指毛桃扦插生长的影响。研究结果表明 : 3 种植物生长调节剂的各种浓度处理对五指毛桃扦插生长存活具有不同程度的促进作用,其中,GGR 150 mg · L-1 处理的插穗长势良好、根系发达、存活率最高,达 89.67%,比对照组提高了 48.00 个百分点,且 GGR 处理的浓度为 100~200 mg · L-1 时,插穗存活率可达 80% 以上;其次是 NAA 100 mg · L-1 处理的插穗存活率达85%,比对照组提高了 43.33 个百分点;而 IBA 最好的浓度水平为 50 mg · L-1,插穗存活率为 83.67%,比对照组提高了 42.00 个百分点。从整体上看,GGR 的促进效果比 NAA 和 IBA 好,NAA 和 IBA 的较低浓度处理促进插穗生长存活效果显著,但当处理浓度为 250 mg · L-1 以上时,促进效果较差,存活率偏低。
关键词:  五指毛桃  插穗  植物生长调节剂  浓度  存活率
DOI:
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基金项目:019 年广东省科技专项资金项目(2019A0103004),2019 年广东省地方标准项目(2019-DB-28),嘉应学院教学改革项目(JYJG20170201)
Effect of Plant Growth Regulators on Growth of Ficus hirta Cuttings
HUANG Jinrong,DEGN Chunliang,ZHU Xijiao,ZHANG Dongsheng,WANG Yihao,XIE Junlong,XIE Jinla,LIN Chuangbiao
1.Institute of Forestry, Meizhou Academy of Agriculture and Forestry Sciences;2.Jiaying University;3.Guangdong Polytechnic of Environmental Protection Engineering
Abstract:
In this paper, the base of Ficus hirta cuttings were respectively immersed in the solution of plant growth regulators with GGR,NAA and IBA,each hormone was set 6 concentration gradients 50, 100, 150, 200, 250 and 300 mg · L-1 for 1 hour. With water treatment without adding any plant growth regulator as contrast, the effects of different plant growth regulators concentration treatments on growth of F. hirta cuttings were studied. The results showed that different concentrations of three plant growth regulators could promote the growth and survival of F. hirta cuttings to different degrees. Among them, the cuttings treated with GGR 150 mg · L-1 grew well, had developed roots and the highest survival rate, which was 89.67%, 48.00% higher than the control group, and the survival rate of the cuttings reached more than 80% when the GGR concentration was between 100 - 200 mg·L-1. The cuttings treated with NAA 100 mg · L-1 had the second highest survival rate, which arrived at 85%, 43.33% higher than the control group. The optimal concentration of IBA was 50 mg · L-1, and the survival rate of the cuttings was 83.67%, 42.00% higher than the control group. On the whole, GGR worked better than NAA and IBA. For NAA and IBA, the treatment with lower concentration could signi?cantly promote the growth and survival of the cuttings. But when the concentration of NAA and IBA was more than 250 mg · L-1, the survival rate of the cuttings was low, which indicated that the treatment of NAA and IBA with high concentration had a poor effect on the cuttings growth.
Key words:  Ficus hirta  cuttings  plant growth regulator  concentration  survival rate