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首页> 外文会议>Annual Meeting of the Plant Growth Regulation Society of America >Azospirillum inoculation and inhibition of gibberellin and aba synthesis in maize seedlings under drought
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Azospirillum inoculation and inhibition of gibberellin and aba synthesis in maize seedlings under drought

机译：在干旱下玉米幼苗中胃蛋白和ABA合成的氮螺柱接种和抑制作用

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The ability of Azospirillum lipofemm to alleviate temporary drought in maize seedlings, in which gibberellin (GA) and ABA synthesis had been blocked by Prohexadione-Ca and Fluridone respectively, was tested. Prohexadione-Ca favored growth of the radical system, e.g. by inhibiting GA synthesis shoot growth was restrained and dry matter distribution was oriented towards roots; consequently these roots enhanced the seedlings capacity to tolerated drought caused by excess of transpiration. Inhibition ofABA synthesis resulted harmful, probably because inhibition of carotene synthesis, but mainly because stomata control was affected. However the most harmful situation was provoked by inhibition of both ABA and GA synthesis. Inoculation with A. lipoferumpromoted root and shoot growth above non-inoculated controls, but also partially reversed the effect of ABA and ABA + GA inhibition synthesis.
机译：通过Prohexadione-Ca和Fluridone分别阻断胃蛋白酶脂质脂质脂质脂质脂质脂质脂质脂质的能力，其中胃肠杆菌蛋白（GA）和ABA合成分别被PROHEXADIONE-CA和Fluridone阻断。 Prohexadione-CA赞成自由基系统的生长，例如，通过抑制GA合成芽，抑制生长，并且干物质分布朝向根;因此，这些根源增强了幼苗容量，以促进过量蒸腾引起的耐受性干旱。抑制ofaba合成导致有害，可能是因为对胡萝卜素合成的抑制，但主要是因为气孔控制受到影响。然而，通过抑制ABA和GA合成来激发最有害的情况。接种A. Lipoferumpromot的根和芽芽的生长以上非接种对照，而且部分逆转ABA和ABA + GA抑制合成的作用。

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