کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
4511508 1321916 2008 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Flowering time in oat: Genotype characterization for photoperiod and vernalization response
موضوعات مرتبط
علوم زیستی و بیوفناوری علوم کشاورزی و بیولوژیک علوم زراعت و اصلاح نباتات
پیش نمایش صفحه اول مقاله
Flowering time in oat: Genotype characterization for photoperiod and vernalization response
چکیده انگلیسی

Flowering time is an important component in the adaptation of oat to sub-tropical environments. Genotypes differ in their response to photoperiod and to vernalization. The objectives of this study were to identify photoperiod insensitive oat genotypes and then investigate the response of different oat genotypes to a period of vernalization (cold treatment), and to evaluate F6 recombinant inbred lines from two oat crosses in two different environments (day-length increases and day-length decreases). The genotypes used in the studies were from the UFRGS Oat Breeding Program: UFRGS 8, UFRGS 881971 and UFRGS 930605 and from the University of Minnesota, USA: Amagalon/*Ogle, Coker 492/Starter-1 and PC68/5*Starter, and F6 lines from the crosses UFRGS 8 × UFRGS 930605 and UFRGS 8 × PC68/5*Starter. UFRGS 8 showed no photoperiod sensitivity by flowering early regardless of the photoperiod length. Late flowering in the winter and early flowering in the summer characterize day-length-dependent genotypes like PC68/5*Starter. UFRGS 881971 responded to vernalization. Genotypes showed variability that can be used in the selection of lines/varieties that more effectively use the complete season.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Field Crops Research - Volume 106, Issue 3, 20 March 2008, Pages 242–247
نویسندگان
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