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乙烯是一种化学结构简单的气体荷尔蒙。Ethylene is a gaseous phytohormone with a very simple chemical structure.

用植物激素研究了冠瘿瘤的逆转。The reversion of crown galls was investigated by means of induction with phytohormone.

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破除瓜类蔬菜种子休眠的技术有机械损伤种皮、植物激素处理和化学药剂处理。Injurying seed coats, phytohormone treatments and chemical treatments can be used to break down dormancy of cucurbit seeds.

延长激素浸种时间和层积时间也可极显著地提高其发芽率。Prolonging the time of seed dipping in phytohormone and the time of stratification and also promote the rate of germination.

以赤霉素、6-BA、芸苔素3种激素组合的4种复配剂，对早稻叶面喷施，研究了它们对延缓叶片衰老的影响。The effects of four phytohormone compounds mixed with GA3, 6-BA and BR on senescence of early rice leaves were investigated.

结果表明，合适的激素浓度可显著提高籼稻组织培养的效率。The result showed the suitable concentration of phytohormone could promote the efficiency of indica rice tissue culture remarkably.

瓜类蔬菜种子休眠的原因有胚休眠、种皮的障碍、发芽抑制物质的存在和激素不平衡等几个方面。Dormancy of cucurbit seeds results from embryo dormancy, seed coat barrier, germination inhibiting substance and phytohormone imbalance.

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植物生长素在植物的生长发育过程中至关重要，GH3基因家族是植物生长素早期应答的成员。Phytohormone auxin plays an important role in plant growth and development. Members of GH3 gene family are responsive primarily to auxin induction.

此外，胚根端胚乳细胞中脱氢酶活性及内源激素和DNA的含量在不同发育时期都明显高于非胚根端胚乳。The dehydrogenase activity, the contents of endogenous phytohormone and DNA in RE cells were higher than that in NRE at different development stages.

试验中观察到马铃薯的分化率在不同外植体间差异较大，ZT有可能是诱导马铃薯芽分化的理想激素。The results showed that the differentiation rate varied with different explants and ZT may be an ideal phytohormone for shoot differentiation in potato.

在植物叶肉细胞的脱分化、再分化过程中伴随着叶绿体与质体相互转化的过程。The explants cells of Nicotiana Tobacum undergo the process of dedifferentiation and redifferentiation under the treatment of phytohormone with different conleutrations.

内源激素的变化最终导致感染杨树患病部位肿茎形态结构的形成、略变活跃的生理状态以及抗寒能力的降低。The changes of endogenous phytohormone finally resulted in the development of swollen stem, slightly more active physiological state and decrease of the resistance to cold.

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采用室内分析与野外调查相结合的方法，对红松纯林与混交林中红松主枝芽的激素含量进行了测定与比较，并对其与红松分杈的关系进行了一定的分析。In this paper, the phytohormone content in the buds of long shoot of Pinus koraiensis was determined and its relationship with the forking of Pinus koraiensis was also analysed.

方法用MSK2和MS培养基对地钱配子体进行愈伤组织诱导，运用模糊评判对MSK-2培养基生长激素组合进行综合性状评价。Methods MSK-2 and MS mediums were used to induce gametophyte into callus tissues, and fuzzy comprehensive evaluation method was used to assess the optimal phytohormone combination.

方法用MSK2和MS培养基对地钱配子体进行愈伤组织诱导，运用模糊评判对MSK2培养基生长激素组合进行综合性状评价。Methods MSK2 and MS mediums were used to induce gametophytes into callus tissues, and the fuzzy comprehensive evaluation method was used to assess the optimal phytohormone combination.

通过激素组合正交实验及继代时间的选择对南方红豆杉细胞增殖培养条件进行了优化研究。Optimizing proliferation conditions in Taxus chinensis var. mairei cell culture was studied by experimental orthogonal design of phytohormone combinations and optimizing subculture time.

采用HPLC法测定了龙眼“红核子”品种胚性愈伤组织胚胎发生过程中各个不同发育阶段的内源激素含量变化。The changes of the endogenous phytohormone content of synchronic materials at different developmental stages in somatic embryogenesis were measured by HPLC in Dimocarpus longan Lour. cv. Honghezi.