三角枫扦插生根过程中营养物质的动态变化
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摘要
以三角枫插穗为试材,采用不同种类、浓度的生长素进行处理,分别于春夏秋3个季节进行扦插繁殖试验,并以夏插生根插穗的韧皮部为材料,研究三角枫扦插生根过程中营养物质含量的动态变化。结果表明:与对照(清水浸泡)比,用100mg·L~(-1) NAA+100mg·L~(-1) IBA浸泡插穗3h生根率最高(77%),生根指数为34.28cm;在插穗生根过程中,该处理与对照插穗韧皮部营养物质含量的动态变化趋势相似,可溶性糖含量的变化趋势为"下降-上升-下降-上升-下降"、可溶性淀粉含量为"下降-上升-下降-上升",可溶性蛋白质含量为"上升-下降-上升";100mg·L~(-1)NAA+100mg·L~(-1) IBA浸泡插穗3h明显提高了可溶性糖和可溶性蛋白质含量、促进了可溶性淀粉含量的降解转化;在缩短不定根发生周期方面,生长素处理无明显作用。
The branches of Acer buergerianum were used as test materials,which treated by different types and concentrations of auxins,to complete tests of cutting propagation in spring,summer and autumn.The dynamic changes of nutrient substance content of phloem during rooting were researched in cutting test of summer.The results showed that compared with the CK treatment,the treatment with the highest rooting rate(77%)and rooting index(34.28cm)in summer cutting propagation test was that cutting materials soaked in 100mg·L~(-1)NAA and 100mg·L~(-1) IBA for three hours(the following was replaced by T2).The trend of dynamic changes of nutrient substance content of T2 and CK were similar,concentration of the soluble sugar had shown‘down-updown-up-down'changings,the soluble starch had shown‘down-up-down-up'changings,the soluble protein had shown‘up-down-up'changings.T2 had improved the content of soluble sugar and soluble protein in phloems and promoted the degradation and transformation of soluble starch.However,there was no obvious effect of auxins on shortening the breedingcycle of adventitious root occurrence of Acer buergerianum Miq.
The branches of Acer buergerianum were used as test materials,which treated by different types and concentrations of auxins,to complete tests of cutting propagation in spring,summer and autumn.The dynamic changes of nutrient substance content of phloem during rooting were researched in cutting test of summer.The results showed that compared with the CK treatment,the treatment with the highest rooting rate(77%)and rooting index(34.28cm)in summer cutting propagation test was that cutting materials soaked in 100mg·L~(-1)NAA and 100mg·L~(-1) IBA for three hours(the following was replaced by T2).The trend of dynamic changes of nutrient substance content of T2 and CK were similar,concentration of the soluble sugar had shown‘down-updown-up-down'changings,the soluble starch had shown‘down-up-down-up'changings,the soluble protein had shown‘up-down-up'changings.T2 had improved the content of soluble sugar and soluble protein in phloems and promoted the degradation and transformation of soluble starch.However,there was no obvious effect of auxins on shortening the breedingcycle of adventitious root occurrence of Acer buergerianum Miq.
引文
[1]火树华.树木学[M].北京:中国林业出版社,1993:294-296.
[2]肖志成,高捍东.三角槭种子休眠与萌发特性研究[J].西南林学院学报,2008(5):35-38.
[3]刘就,陈考科,林喜珀,等.杜鹃红山茶的栽培技术[J].中国热带农业,2007(1):61-62.
[4]薛芳.新优景观树种红翅槭的扦插繁殖研究[J].现代农业科技,2007(24):7-9.
[5]薛克娜,殷爱华,张学平,等.生长激素对杜鹃红山茶扦插效果的影响[J].林业科技开发,2011(1):109-111.
[6]郭素娟,凌宏勤,李凤兰.白皮松插穗生根的生理生化基础研究[J].北京林业大学学报,2004(2):45-47.
[7]郭素娟,凌宏勤,潘万春,等.白皮松插穗的生根特性与其解剖构造的关系[J].北京林业大学学报,2004(5):43-46,103.
[8]郝爱丽,王超,冯献宾,等.生长调节剂对青榨槭扦插生根及其氧化酶活性的影响[J].西北植物学报,2009(10):2026-2030.
[9]王瑞,陈永忠,彭邵锋,等.油茶扦插生根过程的生理生化基础研究[J].浙江农林大学学报,2013(4):615-619.
[2]肖志成,高捍东.三角槭种子休眠与萌发特性研究[J].西南林学院学报,2008(5):35-38.
[3]刘就,陈考科,林喜珀,等.杜鹃红山茶的栽培技术[J].中国热带农业,2007(1):61-62.
[4]薛芳.新优景观树种红翅槭的扦插繁殖研究[J].现代农业科技,2007(24):7-9.
[5]薛克娜,殷爱华,张学平,等.生长激素对杜鹃红山茶扦插效果的影响[J].林业科技开发,2011(1):109-111.
[6]郭素娟,凌宏勤,李凤兰.白皮松插穗生根的生理生化基础研究[J].北京林业大学学报,2004(2):45-47.
[7]郭素娟,凌宏勤,潘万春,等.白皮松插穗的生根特性与其解剖构造的关系[J].北京林业大学学报,2004(5):43-46,103.
[8]郝爱丽,王超,冯献宾,等.生长调节剂对青榨槭扦插生根及其氧化酶活性的影响[J].西北植物学报,2009(10):2026-2030.
[9]王瑞,陈永忠,彭邵锋,等.油茶扦插生根过程的生理生化基础研究[J].浙江农林大学学报,2013(4):615-619.