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Effects of Seed Age and Preplanting Seed Treatment on Seedling Response in Crested Wheatgrass 1
Author(s) -
Bleak Alvin T.,
Keller Wesley
Publication year - 1969
Publication title -
crop science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.76
H-Index - 147
eISSN - 1435-0653
pISSN - 0011-183X
DOI - 10.2135/cropsci1969.0011183x000900030013x
Subject(s) - biology , sowing , seedling , shoot , agronomy , seed treatment , horticulture , agropyron , germination
Seed lots of Nordan crested wheatgrass, Agropyron desertorum (Fisch. ex Link) Schult., of six ages were subjected to presoaking treatments on moist blotter paper, for periods ranging from 40 to 90 hr at 17.2 C, prior to greenhouse planting in soil. Seeds given preplanting treatments, and planted wet, produced seedlings which emerged ahead of those from untreated seeds, the hours of advantage in direct relation to the length of pretreatmerit, but drying before planting reduced the advantage. At 4 days after planting, pretreated seeds produced seedlings with longer roots and shoots than those from untreated seeds. Older seeds required more tinie to produce seedlings but the advantage from treatment was not altered by age of seed.