PJB-2011-173
RELATIONSHIP OF COLEOPTILE LENGTH AND PLANT HEIGHT IN WINTER WHEAT ACCESSIONS
ŽILVINAS LIATUKAS* AND VYTAUTAS RUZGAS
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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