Full TGIF Record # 66829
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Author(s):Morton, S. J.; Engelke, M. C.; Arnau, J. A.
Author Affiliation:Morton: Graduate Student; Engelke: Professor, Turfgrass Breeding and Genetics, The Texas Agricultural Experiment Station, Dallas, TX; Arnau: Research Chemist, The Texas Agricultural Experiment Station, Department of Soil Sciences, College Station, TX
Title:Photoperiod effects on flowering in Zoysia
Section:Growth and development
Other records with the "Growth and development" Section
Source:Texas Turfgrass Research - 1997. December 1997, p. [1-4].
# of Pages:4
Publishing Information:College Station, TX: Texas Agricultural Experiment Station
Series:Texas Turfgrass Consolidated Progress Reports TURF-97-1 thru
Keywords:TIC Keywords: Photoperiod; Zoysia; Flowering; Responses; Genotypes; Comparisons; Light; Zoysia matrella; Zoysia japonica; Zoysia tenuifolia; Zoysia sinica; Zoysia macrostachya
Abstract/Contents:"Reproductive niches are essential to prevention of natural and artificial hybrids, which is a major factor in speciation. The objective of this investigation was to survey the diversity of flowering response requirements as related to photoperiod for the northern hemispheric Zoysia species. Selected genotypes representing 5 Zoysia species were subjected to 3 photoperiods, 6-, 12- or 18-h d lengths, in ventilated, light-tight boxes. Flower production was noted weekly. A trend from d-neutral (photoperiod insensitive) to photoperiod-sensitive was observed for species with origins ranging from tropical to temperate, respectively. A similar trend in geography and physiology was observed among the Z. matrella genotypes examined in this study. Z. japonica was photoperiod sensitive, but showed intraspecific variation for the critical d length required for flower induction. Both Z. tenuifolia and Z. sinica genotypes required a short-d for flower induction. Data was insufficient to make inferences about Z. macrostachya flowering requirements. This baseline study on the flowering requirements of Zoysia species has provided directions for future work needed to understand flowering in zoysiagrasses."
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Morton, S. J., M. C. Engelke, and J. A. Arnau. 1997. Photoperiod effects on flowering in Zoysia. Tex Turfgrass Res. p. [1-4].
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