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Morphological and Seed Set Characteristics of Centipedegrass Accessions Collected in China
W. Hanna and E. Elsner
Vol. 57, No. 3 (Autumn, 2003), pp. 380-388
Stable URL: http://www.jstor.org/stable/4256706
Page Count: 9
You can always find the topics here!Topics: Stolons, Seed set, Plants, Inflorescences, Plant morphology, Crop science, Internodes, Geographic regions, Economic botany, Soil morphology
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Greater than two-fold differences were observed between the lowest and highest means for stolon number and length characteristics. A 60% difference in total length was observed between the longest stolon of accessions. There was a 42% difference between the accessions with the fastest and slowest growing stolons. Accession with the longest and shortest internode differed by 28%. Small differences were observed for leaf length and width. Seed set under selfing was less than 7% indicating high self-incompatibility. Open-pollinated seed set ranged from 37% to 87%. Coefficients of variation for the various characteristics measured indicate that the Chinese accessions should provide more variation for genetic improvement in this species. Data showed that measuring total stolon length at five weeks after transplanting was adequate for evaluating all of the stolon length and number characteristics in this study. The Chinese accession appear to be a valuable source of new germplasm for this species.
Economic Botany © 2003 New York Botanical Garden Press