期刊
JOURNAL OF PLANT INTERACTIONS
卷 9, 期 1, 页码 267-274出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/17429145.2013.820360
关键词
adventitious root formation; endogenous phenolics; peroxidases; polyphenol oxidases; proteases
The present study investigated the effect of ferulic acid (FA; 0-1000 mu M) on early growth, and rhizogenesis in mung bean (Vigna radiata) hypocotyls and associated biochemical changes. FA severely affected the radicle elongation and number of secondary roots after 72 h. The root and shoot length, number and length of secondary roots, and seedling dry weight of one-week-old seedlings of mung bean were decreased by 64%. The rooting potential (percent rooting, number and length of adventitious roots) of mung bean hypocotyls under in vitro conditions was significantly inhibited in response to 1-100 mu M FA. At 1000 mu M there was complete cessation of rooting. FA caused a reduction in the contents of water-soluble proteins and endogenous total phenolics, whereas the activities of proteases, peroxidases, and polyphenol peroxidases increased. The study concludes that FA inhibits root growth and development, and in vitro rooting process in mung bean by interfering with biochemical processes that are crucial for root formation.
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