草果花期喷施激素对其坐果率与产量的影响

Journal of West China Forestry Science(2012)

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Abstract
通过对草果花期分别采用NAA(50 mg/L)、2,4-D(20 mg/L)、GA(100 mg/L)、6-BA(100 mg/L)、爱多收(水剂,0.67 mL/L)、矮壮素(水剂,670 mL/L)、芸苔素(2000 mg/L)和2,4-D钠盐(250 mg/L)喷施,以清水为对照,分析了不同激素处理对草果坐果率及产量的影响。结果表明,(1)激素(含对照)对坐果率、单果重、单花序轴产量均具有极显著的差异影响,草果花期喷施激素后坐果率、单花序轴产量和单位面积产量都高于对照;(2)喷施2,4-D、2,4-D钠盐、6-BA和矮壮素后单位面积产量达4909.05 kg/hm2、4723.20 kg/hm2、4127.40 kg/hm2和4038.30 kg/hm2,分别比对照(239.25 kg/hm2)提高了1951.74%、1874.03%、1625.04%和1 587.78%,其中喷施2,4-D为生产中提高草果产量的最适激素。
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Key words
yield,fruit setting rate,Amumum tsao-ko production,hormone
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