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Maximizing Seed Production in Eastern Gamagrass

Bryce M. Lemke*,a, Lance R. Gibsona, Allen D. Knappa, Phillip M. Dixonb, Kenneth J. Moorea and Roger Hintza

a Dep. of Agronomy, Iowa State Univ., Ames, IA 50011
b Dep. of Statistics, Iowa State Univ., Ames, IA 50011



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Fig. 1. Terminal and lateral inflorescence production in two eastern gamagrass cultivars grown near Ames, IA. Each symbol represents the average number of inflorescences added per day since the previous sampling date. Standard errors are ±1 SE of each mean (cultivar and date).

 


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Fig. 2. Terminal and lateral cupules for two cultivars of eastern gamagrass grown near Ames, IA. Each symbol represents the number of cupules present on the plant at the corresponding sampling date. Standard errors are ±1 SE of each mean (cultivar and date).

 


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Fig. 3. Viability and germination of terminal and lateral cupules in eastern gamagrass grown near Ames, IA and harvested in year 2001. Standard errors (±1 SE) of the mean for each harvest date were 2.6% for terminal viability, 2.3% for lateral viability, 0.8% for terminal germination, and 0.7% for lateral germination.

 





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