激素对伸长棉纤维中核仁生长和空泡化的影响。
Effect of hormones on nucleolar growth and vacuolation in elongating cotton fibers.
机构信息
Laboratory of Tropical Crop Husbandry, Catholic University of Leuven, Kard. Mercierlaan 92, B-3000, Leuven, Belgium.
出版信息
Planta. 1978 Jan;140(3):269-73. doi: 10.1007/BF00390259.
A rather precise combination of the three phytohormones, gibberellic acid, auxin, and abscisic acid, is necessary for the considerable growth of fiber nucleoli in Gossypium hirsutum L. for about 8 days after anthesis and for nucleolar "vacuolation" in the second half of that period. Nucleolar growth and vacuolation must occur in a precise sequence for the fiber to reach a good final length. Nucleolar vacuolation indicates simultaneous output and neosynthesis of nucleolar material.
为使棉纤维在开花后大约 8 天内的核仁得到相当大的生长，以及在这段时间的后半段出现核仁“空泡化”，需要相当精确地组合三种植物激素，即赤霉素、生长素和脱落酸。核仁的生长和空泡化必须按照精确的顺序进行，纤维才能达到良好的最终长度。核仁空泡化表明核仁物质的同时输出和新合成。
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