Full TGIF Record # 11316
Item 1 of 1
Publication Type:
i
Report
Content Type:Abstract or Summary only
Author(s):Wu, Lin; Till, Irene; Armando, Torres
Author Affiliation:Dept. of Environmental Horticulture, University of California, Davis, CA.
Title:Genetic Differentiation in Temperature-Enforced Seed Dormancy Among Golf Course Poa Annua L. Populations.
Meeting Info.:84TH ASHS Annual Meeting; 34th ISTH Annual Congress, 6-12 November 1987, Orlando, FL
Source:HortScience. Vol. 22, No. 5, October 1987, p. 1075 [99].
Publishing Information:St. Joseph, MI : American Society for Horticultural Science
# of Pages:1
Keywords:TIC Keywords: Genetics; Temperatures; Seed dormancy; Poa annua
Abstract/Contents:"Seed germinability under high temperature treatment was found different among a golf course Poa annua populations cross a short distance along a gradient of different intensities of turf irrigation and mowing practices. A seed germination index was generated to measure the high temperature (25 C) effect on seed germination. The seed germination indices of the rough population were uniformly low and less than 30%. The mean index was only 5%. Contrary, the germination indices of the golf green population were high. Most of the seed families were higher than 60%, and had a mean index of 83%. A wide range of seed germination indices were found in seed families of the fairway population which ranged from 10% to 90% with a mean index of 49%, and a bimodal distribution was indicated. The results of the study indicate that a genetic differentiation in temperature enforced seed dormancy among the Poa annua populations at the micro-ecological level was found."
Language:English
References:0
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Wu, L., I. Till, and T. Armando. 1987. Genetic Differentiation in Temperature-Enforced Seed Dormancy Among Golf Course Poa Annua L. Populations.. HortScience. 22(5):p. 1075 [99].
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