نتایج جستجو برای: root nodulation
تعداد نتایج: 141078 فیلتر نتایج به سال:
The groundnut (Arachis hypogaea L.) is one of the important food legume crops of tropical and subtropical parts of the world. It is the world’s most popular oilseed crop cultivated in more than 100 countries in all the six continents. Groundnut kernel contains above 40% edible oil, around 25% protein and 18% carbohydrates along with minerals and vitamins. Groundnut oil is free from cholesterol ...
To investigate drought tolerant isolates of rhizobial symbioant of lentil (Lens culinaris L.), 12 soil samples were collected from cultivated and non-cultivated area of Golestan, Chaharmahal-O-Bakhtiari and Isfahan provinces. Local cultivars of lentil including Binam Dorosht, Ghazvini and Faridani were planted in each soil sample. After 10 weeks, a total of 324 rhizobial isolates were recovered...
Spontaneous mutants of Rhizobium meliloti L5-30 defective in motility or chemotaxis were isolated and compared against the parent with respect to symbiotic competence. Each of the mutants was able to generate normal nodules on the host plant alfalfa (Medicago sativa), but had slightly delayed nodule formation, diminished nodulation in the initially susceptible region of the host root, and relat...
Legume plants form nitrogen-fixing nodules on their roots in symbiosis with soil bacteria rhizobia. The number of symbiotic is controlled by a host plant via systemic mechanism known as autoregulation nodulation (AON). key players AON are the CLE peptides which produced root response to rhizobia inoculation and transported xylem shoot. In shoot, recognized CLV1-like receptor kinase, results sub...
The objective was to evaluate the agronomic traits of soybean as a function inoculation, co-inoculation and N doses in Eutroferric RED OXSOL. design randomized blocks 4x4 factorial scheme, with four types inoculation (0 = 0; 2 4.5; 4 9 8 % 18 kg ha-1). No significant differences were found for plant height, number pods per plant, grains pod, nitrogen accumulation grain yield. mean nodules highe...
Actinorhizal symbioses are mutualistic interactions between plants and the soil bacteria Frankia spp. that lead to the formation of nitrogen-fixing root nodules. The plant hormone auxin has been suggested to play a role in the mechanisms that control the establishment of this symbiosis in the actinorhizal tree Casuarina glauca. Here, we analyzed the role of auxin signaling in Frankia spp.-infec...
Effects of P and S on growth and regrowth were assessed in a greenhouse trial in which Clitoria was grown through three cuttings on a deficient soil with a factorial combination of 4 levels of P and 3 levels of S. Phosphorus deficiency caused stunting, flowering delay, and a rusty appearance of leaflets. Sulfur deficiency caused stunting and chlorosis. With successive cuttings, P deficiency bec...
Changes in soil nutrient availability during long-term ecosystem development influence the relative abundances of plant species with different nutrient-acquisition strategies. These changes in strategies are observed at the community level, but whether they also occur within individual species remains unknown. Plant species forming multiple root symbioses with arbuscular mycorrhizal (AM) fungi,...
Changes in intracellular calcium in pea root hairs responding to Rhizobium leguminosarum bv. viciae nodulation (Nod) factors were analyzed by using a microinjected calcium-sensitive fluorescent dye (dextran-linked Oregon Green). Within 1-2 min after Nod-factor addition, there was usually an increase in fluorescence, followed about 10 min later by spikes in fluorescence occurring at a rate of ab...
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