Full TGIF Record # 5156
Item 1 of 1
Publication Type:
i
Report
Author(s):Shimizu, N.; Komatsu, T.; Ikegaya, F.
Author Affiliation:National Grassland Res. Inst., Nishinasuno, Tochigi 329-27, Japan
Title:Studies on development and ripening of seeds in temperate grasses. 2 Effects of temperature on seed development and ripening, and germination behaviour in cocksfoot and Italian ryegrass
Source:Bulletin of the National Grassland Research Institute. No. 15, 1979, p. 70-87.
Keywords:TIC Keywords: Lolium multiflorum; Dactylis glomerata; Seed germination; Temperatures
Geographic Terms:Japan
Abstract/Contents:Seed characteristics were investigated in developing seed of Italian ryegrass and cocksfoot grown at day/night temp. of 25/15 or 20/10 deg C. Similar developmental stages were found in both spp. at both temp. Full embryo development was always reached at the stage of differentiation of the 1st leaf at both temp. High temp. decreased both length and width of the caryopsis in Italian ryegrass but had no effect in cocksfoot. Max. dry wt. at high and low temp. was reached after 20 and 36 days, resp. in cocksfoot and 14 and 30 days in Italian ryegrass. At both temp. seed shedding in cocksfoot occurred later than in Italian ryegrass. In both grasses seed grown at high temp. had a higher germination at high temp. than seed grown at low temp.
Language:Japanese
References:40
Note:Summary appears in English
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Shimizu, N., T. Komatsu, and F. Ikegaya. 1979. Studies on development and ripening of seeds in temperate grasses. 2 Effects of temperature on seed development and ripening, and germination behaviour in cocksfoot and Italian ryegrass. (In Japanese) Bull. Natl. Grassl. Res. Inst. 15:p. 70-87.
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