受激动素处理、盐胁迫的植物的体内水分状况。
Internal Water Status of Kinetin-treated, Salt-stressed Plants.
机构信息
Department of Soil Science and Department of Botany, University of Wisconsin, Madison, Wisconsin 53706.
出版信息
Plant Physiol. 1974 Feb;53(2):241-3. doi: 10.1104/pp.53.2.241.
Abstract
Stomatal resistances and turgor pressures were measured during a 12-day period on leaves of bean (Phaseolus vulgaris L. cv. Contender) which were treated with kinetin, were salinized or were treated with kinetin and salinized. Stomatal resistances were highest in salt-stressed plants, and progressively lower in salt-stressed and kinetin-treated plants, control plants, and kinetin-treated plants. Turgor pressures were highest in salt-stressed plants, and progressively lower in control plants, kinetin-treated plants, and salt-stressed and kinetin-treated plants. Stomata appeared to be kept open more widely under kinetin treatment than under control conditions, even when turgor pressures were lower in kinetin-treated plants than in control plants.
摘要
在为期 12 天的时间里，对用激动素处理、盐胁迫或用激动素和盐胁迫处理的菜豆（Phaseolus vulgaris L. cv. Contender）叶片进行了气孔阻力和膨压的测量。盐胁迫下植物的气孔阻力最高，盐胁迫和激动素处理的植物、对照植物和激动素处理的植物的气孔阻力逐渐降低。膨压在盐胁迫下的植物中最高，在对照植物、激动素处理的植物和盐胁迫及激动素处理的植物中逐渐降低。即使在激动素处理的植物中膨压比对照植物低的情况下，气孔似乎也比对照条件下更广泛地保持开放。
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