香石竹花可恢复性乙烯反应的研究
摘要： AOA处理花瓣抑制乙烯合成,大大提高了小剂量乙烯(12h x1μl/l)诱导的卷曲花瓣恢复为正常花瓣的比率,但对大剂量乙烯(12hx10μl/l)诱导的卷曲花瓣影响很小,经小剂量乙烯处理的花瓣中乙烯合成速率很低。卷曲花瓣能否恢复为正常花瓣取决于花瓣所接受的乙烯剂量及花瓣中内源乙烯的合成能力。
关键词: 香石竹, 乙烯, 反应, 敏感性
Abstract: When flowers were pre-treated with AOA to inhibit ethylene synthesis, the recovery of the flowers from inrolling was markedly enhanced after exposure to a lowdosage of ethylene(12h x 1μl/l),but it was not changed after exposure to a higher dose of ethylene (12h x 10μl/l).After the flowers were treated with the low dose of ethylene, the ethylene production rate in the recovered petals remained at low level similar to that in petals not exposed to ethylene.Ethylene production rate,ACC content and ACC oxidase activity in the non-recovered petals were greatly higher than in recovered petals.The recovery ability from inrolling of petals depends on the dose of ethylene and the capability to synthesis endogenous ethylene.T he differences in capacity to synthesis ethylene among the petals treated with the same dosage of ethylene may reflected the differences in sensitivity to ethylene of the petals.
Key words: Carnation, Ethylene, Response, Sensitivity
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网址: 香石竹花可恢复性乙烯反应的研究 https://m.huajiangbk.com/newsview2279110.html
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