THE VALUE OF A LEAF
THE VALUE OF A LEAF
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DOI：
10.1007/bf00789931
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发表时间：
1989-01-01
期刊：
影响因子：
2.7
通讯作者：
HARPER, JL
中科院分区：
文献类型：
--
作者：
HARPER, JL
一片叶子对植物的价值取决于其出口同化物的命运。当这些物质被转移并用于新叶的生长时，它们有助于进一步的碳同化。结果是，在它们年轻的时候，它们对植物的价值最大。相反，当同化物被转移到储藏中时，在叶片生命早期和后期产生的同化物具有相同的价值。这一论点是关于矿物质资源的最佳分配和树叶寿命期间的防御措施的。
The value of a leaf to a plant depends on the fate of its exported assimilates. When these are translocated and used in the growth of new leaves they contribute to further carbon assimilation. The result is that their value to the plant is greatest while they are young. In contrast, when assimilates are translocated to storage, assimilates produced early and late in the life of a leaf are of equal value. This argument is developed in relation to the optimal distribution of mineral resources and defenses during the life of leaves.