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首页> 外文期刊>Nordic Journal of Botany >Allometry of Salsola collina in response to soil nutrients, water supply and population density
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Allometry of Salsola collina in response to soil nutrients, water supply and population density

机译:异速生长土壤猪毛菜科里纳的回应营养、供水和人口密度

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摘要

The allometry of greenhouse-grown Salsola collina Pall, in response to variation in soil nutrient content, water supply and population density has been compared. The results showed that the biomass allocation was size-dependent. Root, stem, leaf and reproductive allocation showed a 'true' plasticity in response to soil nutrient variation. At low soil nutrient content, plants tended to allocate more biomass to the development of reproductive organs than to stem and leaf, but root allocation was consistent due to a tradeoff between the effects of plant size and soil nutrient content. The plasticity of stem allocation and reproductive effort was 'true', while the plasticity of root allocation was 'apparent', but there was no plasticity for leaf allocation in response to soil water variation. At lower soil water content, plants tended to allocate more biomass to the stem than to development of reproductive organs. With the exception of 'apparent' plasticity of root allocation, no plasticity was detected in biomass allocation when population density was varied.
机译:异速生长的温室养殖猪毛菜科里纳幕,在应对土壤养分的变化内容、供水和人口密度被比较。生物量分配尺度依赖的。茎、叶和生殖分配显示“真正的可塑性响应土壤养分变异。倾向于分配更多的生物量生殖器官比茎的发展和叶,但根分配是一致的工厂规模的影响之间的权衡和土壤养分含量。分配和生殖的努力是“真实的”,而根分配的可塑性“明显的”,但是没有叶子的可塑性分配在对土壤水分变化的反应。较低的土壤水分,植物往往茎生物量分配比生殖器官的发展。除了明显的可塑性的根分配,没有检测到生物质可塑性分配时,人口密度是不同的。

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