施肥对马尾松穗条和扦插效果的影响

周凤娇; 邓锐; 彭凌帅; 韦小丽

doi:10.11929/j.issn.2095-1914.2017.06.011

施肥对马尾松穗条和扦插效果的影响

The Influence of Fertilizatation on Spikes and Cuttings of Pinus massoniana

摘要

摘要: 为提高马尾松穗条的质量，促进扦插生根率，对马尾松采穗母株施用有机肥或复合肥统计穗条的产量，测定其营养物质，相关酶活性和内源激素的含量。结果表明:施肥可提高马尾松采穗母株穗条的产量和质量，施复合肥效果最好，其穗条数量、穗条平均长度和直径分别比对照提高28%、23%和52%，可溶性糖和可溶性蛋白质含量分别比对照提高46%和72%，GA、ZT、IAA、ABA分别比对照高100%、262%、67%和123%，SOD、CAT分别高123%和338%，IAAO活性则比对照降低26%，愈伤率、生根率分别达到86.30%、50.93%。

Abstract: In order to improve quality of Pinus massoniana spike and promote cutting rooting rate, calculating spike production after applying organic fertilizer or compound fertilizer on seed tree. Determining nutrients, related enzyme activity and endogenous hormone content. Results showed that fertilization could improve the pine scion stock scion yield and quality, especially the best effect of compound fertilizer. The number of spike, the average length and diameter of the strip increased 28%, 23% and 52% compared to CK. Soluble sugar and soluble protein content increased 46% and 72% compared to CK. GA, ZT, IAA and ABA were 100%, 262%, 67% and 123% higher than CK. The activities of SOD and CAT increased 123% and 338% compared to CK. The activity of IAAO decreased 26% compared to CK, and the callus rate and rooting rate were 86.30% and 50.93%.

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