نتایج جستجو برای: macronutrient

تعداد نتایج: 3113  

Journal: :American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 1996

Rosa hybrida L. is an important commercial cut flower. Salicylic acid (SA) and calcium chloride (CaCl2) act as endogenous signal molecules responsible for growth parameters in plants. The aim of this study was to evaluate the effects of preharvest SA and CaCl2 treatments in extending the vase life of cut rose flowers. Therefore, a factorial experiment based on completely randomized design with ...

Journal: :Plant physiology 2006
Yumiko Sakuragi Hiroshi Maeda Dean Dellapenna Donald A Bryant

alpha-Tocopherol is synthesized exclusively in oxygenic phototrophs and is known to function as a lipid-soluble antioxidant. Here, we report that alpha-tocopherol also has a novel function independent of its antioxidant properties in the cyanobacterium Synechocystis sp. PCC 6803. The photoautotrophic growth rates of wild type and mutants impaired in alpha-tocopherol biosynthesis are identical, ...

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