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Senescence-induced loss in the content of chlorophyll and the rate of oxygen evolution is remarkably enhanced when the leaves of Arabidopsis thaliana experience nitrogen-deficiency stress. On the other hand, the decline in the level of total soluble sugar during senescence is very slow and nitrogen deficiency does not exhibit any further change. The relative stability in the level of the sugar in...
The common wheat (Triticum aestivum L.) is a poly(hexa)ploid, derived from an amphi-diploidization process involving the donor species—Triticum urartu, Aegilops speltoides, Triticum turgidum, and Aegilops tauschii. The genetic diversity of the autogamous wheat is narrow, which is a major reason for lesser rate of yield gain in wheat, in contrast to rice and maize. It is desirable to encourage hybrid...
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