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Published in Crop Sci 39:1847-1852 (1999)
© 1999 Crop Science Society of America
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Seed Dormancy and Aging in Atra Paspalum

R.S. Kalmbachera, S.H. Westb and F.G. Martinc

a Univ. of Florida, Range Cattle Res. Educ. Ctr., Ona, FL. 33865-9706 USA
b Dep. of Agronomy, Univ. of Florida, Gainesville, FL 3261-0770 USA
c Statistics Dep., Univ. of Florida, Gainesville, FL 32611-0339 USA



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Fig. 1 Scheme of seven treatments conducted on seed of Suerte atra paspalum

 


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Fig. 2 Germination percentage (0–7 and 8–14 d periods) of oven-dried (40°C for 24 h) Suerte atra paspalum seed harvested in 1994, 1995, and 1996 and stored under ambient conditions for 28 d (1 mo), 84 d (3 mo), and 168 d (6 mo) or 3°C for up to 36 mo (Fig. 1, Treatments 4 and 7). Germination in 15 to 28 d = 28-d percentage - (0–7 d percentage + 8–14 d percentage) (Table 1). Within months after seed harvest, bars (0–7 vs. 8–14 d periods) with the same letter are not different (P > 0.05)

 


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Fig. 3 Germination percentage (0–7 and 8–14 d periods) of air-dried Suerte atra paspalum seed harvested in 1994, 1995, and 1996 and stored under ambient conditions for 28 d (1 mo), 84 d (3 mo), and 168 d (6 mo) or 3°C for up to 48 mo (Fig. 1, Treatments 3 and 6). Germination in 15 to 28 d = 28-d percentage - (0–7 d percentage + 8–14 d percentage) (Table 1). Within months after seed harvest, bars (0–7 vs. 8–14 d periods) with the same letter are not different (P > 0.05)

 





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