毛叶子花提取液对感染TMV烟株的生理效应及品质的影响

Guizhou Agricultural Sciences(2008)

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Abstract
以毛叶子花提取液对感染烟草花叶病毒(TMV)的烟株发病前后进行处理,测定了烟草叶片中与抗病毒性相关的部分生理生化指标的变化及对烟草品质的影响。结果表明:毛叶子花提取液能使烟叶总酚含量升高、苯丙氨酸解氨酶(PAL)的活性增强、膜透性及烟叶品质有所改善,预防处理优于治疗处理。可见,毛叶子花提取液可诱导植物产生抗病性,增强烟草对TMV侵染的抵抗力。
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Key words
control efficiency,physiological-biochemical index,Bougainvillea spectabilis Willd,TMV,extract
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