Drought stress in plants: A review on morphological characteristics and pigments composition
Drought stress in plants: A review on morphological characteristics and pigments composition
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发表时间：
2009
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通讯作者：
Abdul Cheruth;Jaleel;A. Wahid;M. Farooq;Hameed Jasim;Al-Juburi;R. Somasundaram;Rajaram Panneerselvam-Raja
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作者：
Abdul Cheruth;Jaleel;A. Wahid;M. Farooq;Hameed Jasim;Al-Juburi;R. Somasundaram;Rajaram Panneerselvam-Raja
植物生长和生产力受到自然界以各种生物和非生物胁迫因素形式的愤怒的不利影响。水分亏缺是影响作物生长和产量的主要非生物胁迫之一。这些变化主要与代谢功能的改变有关，其中之一是光合色素的损失或合成减少。这导致光捕获和还原能力的产生下降，还原能力是光合作用暗反应的能量来源。这些光合色素量的变化与植物生物量产量密切相关。本文综述了干旱对高等植物形态、生理和色素组成的影响。
Plant growth and productivity is adversely affected by nature’s wrath in the form of various biotic and abiotic stress factors. Water deficit is one of the major abiotic stresses, which adversely affects crop growth and yield. These changes are mainly related to altered metabolic functions, one of those is either loss of or reduced synthesis of photosynthetic pigments. This results in declined light harvesting and generation of reducing powers, which are a source of energy for dark reactions of photosynthesis. These changes in the amounts of photosynthetic pigments are closely associated to plant biomass yield. This review describes some aspects of drought induced changes in morphological, physiological and pigments composition in higher plants.