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Seed quality is closely associated with internal substances during seed development. Tobacco seed varieties Honghua Dajinyuan (HD) and Yunyan97 (Y97) had higher viability and vigor when harvested from 31 to 33 days after pollination (DAP), subsequently decline slightly on 35 DAP. From 7 to 35 DAP, the moisture content of HD and Y97 decreased sharply from 90 to 30%, and abscisic acid declined more...
Low seed vigor was the main constraint on the production of sweet corn in China. Spermidine (Spd) was proved to enhance sweet corn seed germination. However, little was known about the metabolisms and interactions of plant growth regulators (PGRs) and H2O2 in the enhancement of Spd upon sweet corn seed germination. Spd, GA, C2H4 and H2O2 soaking treatments significantly enhanced seed vigor; while...
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