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&nbsp;两种植物生长调节物质对姜荷花种球繁育的影响
作者: 张翠萍  仇 硕  赵 健*  李秀娟  全艳斌  
单位: 广西壮族自治区中国科学院广西植物研究所  广西 桂林 541006)  
关键词: 姜荷花  种球繁育  萘乙酸(NAA)  茉莉酸甲脂(Me-JA)  
分类号:S632.5
出版年,卷(期):页码:2012 ,43 ( 3 ): 页码:283-285
摘要:

【Objective】The present experiment was conducted to investigate the effects of different plant growth regulators on propagation of Curcuma alismatifolia bulbs and to screen and optimize the plant growth regulator for increasing the yield and quality of new bulbs. 【Method】Different concentrations (0.25, 0.50, 1.00 mmol/L) of methyl jasmonate (Me-JA) and NAA were used for spraying on the leaves to investigate the effects on the number, weight and size of new bulb and storage roots of Curcuma alismatifolia variety Chiangmai Pink. 【Result】The results showed that after spraying different concentrations of Me-JA and NAA, the number of new bulbs was more than that of control, the Me-JA(0.5 mmol/L) treatment recorded the highest bulb number (5.27/plant) and which was higher than the control (3.6/plant). The number and percentage of bulb with diameter ≥1.5 cm in different treatments were also higher than that of control. The 0.25 mmol/L NAA treatment recorded highest(232) bulbs which accounted for 84.1%. Furthermore, the percentage of new bulbs with more than 3 roots at 0.25 mmol/L NAA treatment was also the highest(59.4%). 【Conclusion】Based on the analysis and comparison of results, 0.5 mmol/L Me-JA and 0.25 mmol/L NAA were found to be favorable for propagation of Curcuma alismatifolia bulbs.

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