The effect of temperature on germinability of some cultivars of spring triticale seeds
Maria Moś
khrin@urk.edu.plKatedra Hodowli Roślin i Nasiennictwa, Akademia Rolnicza w Krakowie (Poland)
Tomasz Wójtowicz
Katedra Hodowli Roślin i Nasiennictwa, Akademia Rolnicza w Krakowie (Poland)
Abstract
In the years 2000–2001 an attempt to determine the dormancy of seeds of five triticale cultivars was made. For that purpose germination was evaluated at 10, 15, 20 and 25°C, and seeds were sown at two dates, 4 and 14 days after harvest. The greatest effect of temperature was found when average germination time was determined (using Pieper’s method), the values of which decreased with an increase in temperature from 10 to 25°C. Under the same conditions a decrease in germination capacity at the first evaluation date was observed. When evaluation was done at a later date, a significant effect of weather conditions on the level of seed dormancy was found. Two cultivars, Kargo and Migo, were characterized by the highest level of dormancy, while cultivars Gabo and Wanad showed a low level of dormancy. The values of the estimated dormancy index were very low — from 0.06 to 0.15, which indicates its poor usability for the evaluation of triticale seeds, considering the fact that triticale is characterized by a low dormancy level.
Keywords:
dormancy index, germination ability, rate of germination, spring triticaleReferences
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Authors
Maria Mośkhrin@urk.edu.pl
Katedra Hodowli Roślin i Nasiennictwa, Akademia Rolnicza w Krakowie Poland
Authors
Tomasz WójtowiczKatedra Hodowli Roślin i Nasiennictwa, Akademia Rolnicza w Krakowie Poland
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Copyright (c) 2004 Maria Moś, Tomasz Wójtowicz
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