نتایج جستجو برای: root submergence
تعداد نتایج: 139891 فیلتر نتایج به سال:
BACKGROUND AND AIMS Wetland plants inhabit flood-prone areas and therefore can experience episodes of complete submergence. Submergence impedes exchange of O(2) and CO(2) between leaves and the environment, and light availability is also reduced. The present review examines limitations to underwater net photosynthesis (P(N)) by terrestrial (i.e. usually emergent) wetland plants, as compared wit...
Lipid remodeling is crucial for hypoxic tolerance in animals, whilst little is known about the hypoxia-induced lipid dynamics in plants. Here we performed a mass spectrometry-based analysis to survey the lipid profiles of Arabidopsis rosettes under various hypoxic conditions. We observed that hypoxia caused a significant increase in total amounts of phosphatidylserine, phosphatidic acid and oxi...
چکیده ندارد.
Submergence and drought are major constraints to rice (Oryza sativa) production in rain-fed farmlands, both of which can occur sequentially during a single crop cycle. SUB1A, an ERF transcription factor found in limited rice accessions, dampens ethylene production and gibberellic acid responsiveness during submergence, economizing carbohydrate reserves and significantly prolonging endurance. He...
To test the hypothesis that submergence temperature affects the distribution of the lactate load and glycogen utilization during anoxia in turtles, we sampled a variety of tissues after 7 days, 24 h, and 4 h of anoxic submergence at 5, 15, and 25 degrees C, respectively. These anoxic durations were chosen because we found that they produced similar decreases in plasma HCO(3)(-) ( approximately ...
One of the causes of perturbation at vertical intakes is the happening of vortices with an air core. The vortices with an air core occur whenever the submergence of the intake is less than a critical value. Anti-vortex devices and specially plates are used to avoid the negative effects of the air-core vortices. If plates are used, then the geometry of them should be studied experimentally. Acco...
Background and aims Wetland plants inhabit flood-prone areas and therefore can experience episodes of complete submergence. Submergence impedes exchange of O2 and CO2 between leaves and the environment, and light availability is also reduced. The present review examines limitations to underwater net photosynthesis (PN) by terrestrial (i.e. usually emergent) wetland plants, as compared with subm...
Questions Flooding and drought stress are expected to increase significantly across the world plant responses these abiotic changes may be mediated by plant–plant interactions. Stress tolerance recovery often require a biomass investment that have consequences for Therefore, we questioned whether phenotypic plasticity in response flooding affected balance between competition facilitation specie...
Regulation of non-structural carbohydrates (NSCs) are important for plants in response to submergence. In this study, the difference relation with shoot elongation between Sub1A and non-Sub1A rice genotypes was investigated. Two genotypes, namely Inpari30 (Sub1A genotype) IR72442 (non-Sub1A genotype), were submerged completely 6 days re-aerated by lowering water level up stem base post addition...
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