Enhanced accumulation of gibberellins rendered rice seedlings sensitive to ammonium toxicity
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چکیده
منابع مشابه
Phytotoxicity of methylene blue to rice seedlings
Methylene blue is widely used in various industrial branches. Due to insufficient treatment, its occurrence in wastewater is frequently detected, which may result in serious environment problems to aquatic organisms. Hydroponic experiments were conducted with rice seedlings (Oryza sativa L. cv. XZX 45) exposed to methylene blue to determine the effective concentration using relative gr...
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متن کاملAbscisic acid accumulation and cadmium tolerance in rice seedlings
doi: 10.1111/j.1399-3054.2005.00490.x Rice (Oryza sativa L.) seeds were soaked for 18 h in distilled water in the absence (–PBZ) or presence (þPBZ, a triazole) of 100 mg l 1 paclobutrazol and then air dried. These air-dried seeds were germinated in the dark and then cultivated in a Phytotron. Twelve-day-old –PBZ and þPBZ seedlings were treated or not with CdCl2. Cd toxicity was judged by the de...
متن کاملGibberellins regulate iron deficiency-response by influencing iron transport and translocation in rice seedlings (Oryza sativa).
Background and aims Gibberellins (GAs) are a class of plant hormones with diverse functions. However, there has been little information on the role of GAs in response to plant nutrient deficiency. Methods To evaluate the roles of GAs in regulation of Fe homeostasis, the effects of GA on Fe accumulation and Fe translocation in rice seedlings were investigated using wild-type, a rice mutant ( e...
متن کاملAccumulation of ammonium in rice leaves in response to excess cadmium.
The relationship between ammonium accumulation and senescence of detached rice leaves caused by excess cadmium (Cd) was investigated. CdCl(2) was effective in increasing ammonium content in detached rice leaves under both light and dark conditions. Both CdCl(2) and CdSO(4) induced ammonium accumulation in detached rice leaves, indicating that ammonium accumulation is induced by Cd ions. CdCl(2)...
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ژورنال
عنوان ژورنال: Journal of Experimental Botany
سال: 2019
ISSN: 0022-0957,1460-2431
DOI: 10.1093/jxb/erz492