Soybean (Glycine max L. Merr.) seeds are highly sensitive to the environmental conditions experienced in STORAGE. The objectives of this study were identify QTLs for soybean seed storability by evaluating viability and vigor investigating candidate genes these traits detected QTL regions. These will aid developing cultivars with a high capacity storability. 109 90 recombinant inbred lines (RILs...

The combined effect of salicylic acid (SA) (100, 200 and 400 ppm) and water stress (waterlogging and drought) on growth, reactive oxygen species generation and activities of enzymatic and non-enzymatic antioxidants were studied in soybean (Glycine max L. Merr.) leaves.The results proved that the interaction of salicylic acid with water stress significantly increased total protein content and de...

Little is known about the physical makeup of heterochromatin in the soybean (Glycine max L. Merr.) genome. Using DNA sequencing and molecular cytogenetics, an initial analysis of the repetitive fraction of the soybean genome is presented. BAC 076J21, derived from linkage group L, has sequences conserved in the pericentromeric heterochromatin of all 20 chromosomes. FISH analysis of this BAC and ...

Abscisic acid (ABA) concentrations and growth rates of developing soybean (Glycine max [L.] Merr. cv. Wye) seeds and pod walls were determined from anthesis to maturation using high pressure liquid chromatographic techniques. Developing soybean seeds contain up to 12,200 ng/g fresh weight of ABA compared to 330 ng/g fresh weight for pod walls. In the developing seeds ABA levels correlated with ...

Development of dark-grown "Clark" soybean (Glycine max [L.] Merr.) seedlings is abnormal at 25 C but normal at 20 and 30 C. At 25 C, hypocotyls swell and fail to elongate normally; lateral root formation and seedling ethylene evolution are enhanced.Co(2+) promoted hypocotyl elongation of etiolated "Clark" soybean seedlings by 28% when grown at 25 C. The same growth-promoting concentration reduc...

The enzymes responsible for the phosphorylation of hexoses in the plant cytosolic fraction of soybean (Glycine max L. Merr cv Williams) nodules have been studied and a hexokinase (ATP:d-hexose 6-phosphotransferase EC 2.7.1.1) and fructokinase (ATP:d-fructose 6-phosphotransferase EC 2.7.1.4) shown to be involved. The plant cytosolic hexokinase had optimum activity from pH 8.2 to 8.9 and the enzy...

To identify possible iron sources for bacteroids in planta, soybean (Glycine max L. Merr.) symbiosomes (consisting of the bacteroid-containing peribacteroid space enclosed by the peribacteroid membrane [PBM]) and bacteroids were assayed for the ability to transport iron supplied as various ferric [Fe(III)]-chelates. Iron presented as a number of Fe(III)-chelates was transported at much higher r...