PJB-2011-173
RELATIONSHIP OF COLEOPTILE LENGTH AND PLANT HEIGHT IN WINTER WHEAT ACCESSIONS
ŽILVINAS LIATUKAS* AND VYTAUTAS RUZGAS
DOI:
Abstract
Climate change prognoses suggest more unpredictable and less favourable conditions for cereal crop establishment in Europe. The development of varieties possessing long coleoptiles could improve winter wheat environmental adaptability. A total of 564 winter wheat control varieties and breeding lines developed basically using European winter wheat germplasm were screened for coleoptile length and plant height during 2004-2009. The filter paper towel method showed significant differences among the accessions. Most of the accessions (50.8%) possessed a coleoptile length ranging between 3.00 and 6.00 cm. The correlation between coleoptile length and plant height was weak in 2005 and 2006 (respectively, r=0.485* & 0.468*, p≤0.01), but medium (respectively, r=0.578* - 0.625*) in 2004
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