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硼酸对萝卜成花生理代谢与亲和性的影响 预览

The effects of boric acid on the flowering physiological metabolism and affinity of self-incompatibility radish duringreproductive growth
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摘要 采用不同浓度的硼酸分别喷洒萝卜叶片和花蕾,调查硼对自交不亲和萝卜成花生理代谢与亲和性的影响。结果显示:叶面喷施硼酸对萝卜生理代谢有显著影响:硼酸浓度越高,抽薹前期萝卜叶片的可溶性糖含量越高,但是从抽薹开始,硼效应已经不明显;硼处理下的叶绿素含量始终高于对照;0.6%硼酸处理下萝卜POD活性最高;从现蕾开始,硼处理下的脯氨酸含量始终高于对照。蕾期喷施硼酸可以在一定程度上促进花粉管伸长,提高亲和指数,尤以双核期喷施0.4%硼酸的效果最好,其亲和指数达到3.08。总体看来,在萝卜成花过程中,硼酸处理无论是对萝卜成花过程的生理代谢还是亲和性都存在显著影响。 The different concentrations of boric acid were used to spray on the leaves and buds to investigate the effects of borontreatment on the physiological metabolism and affinity of self-incompatibility radish during reproductive growth stage. Theresults showed that spraying of boric acid on the leaves had a significant effect on the physiological metabolism of radish, thehigher the concentration of boric acid, the higher the soluble sugar content of the pre-bolting turnip leaves. But from the bol-ting period, the effect of boric acid was not obvious. The chlorophyll content under boron treatment was higher than that of thecontrol group. The POD activity of 0.6% boric acid treatment was higher than other treatments. From the budding period, thePro content was always higher than the control. Spraying boron on buds accelerated the elongation of pollen tube, therebyimproved affinity index. It was the best with a concentration of 0.4% boric acid spraying in dual phase, and its affinity indexreached 3.08. Totally, boron treatment had significant influences on the physiological metabolism of leaves and affinity of rad-ish during its reproductive growth stage.
作者 王凤华 李光远 蒋燕 陈双臣 王少先 刘保国 杨澜 WANG Feng-hua, LI Guang-yuan, JIANG Yan, CHEN Shuang-chen, WANG Shao-xian, LIU Bao-guo, YANG Lan(Forestry College, Henan University of Science and Technology, Henan Luoyang 471000)
出处 《中国土壤与肥料》 CSCD 北大核心 2018年第3期149-154,共6页 Soil and Fertilizer Sciences in China
基金 国家自然科学基金(31101536)
关键词 自交不亲和 萝卜 胼胝质 亲和性 boron self-incompatibility radish callosity affinity
作者简介 王凤华(1972-),女,四川邛崃人,副教授,博士,研究方向为蔬菜生物学与生物技术.同时为通讯作者,E-mail:fenghua123668@126.com.
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