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GrainGenes Reference Report: BIU-231-265

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Reference	BIU-231-265
Title	Estimation of breeding suitability of hybrids of rye ( Secale cereale L.) with wild species from the genus Secale
Journal	Biuletyn Instytutu Hodowli i Aklimatyzacji Roslin
Year	2004
Volume	231
Pages	265-277
Author	Mackiewicz D Broda Z
Language	Polish
Abstract	The investigations on interspecific hybrids of rye cultivars and wild species S. montanum , S. kuprijanovii , S. sylvestre and S. vavilovii , have been conducted for many years. The aim of these studies was the extension of variability of the initial plant material for rye breeding. The problem, which is often encountered in the forms obtained by interspecies crossing, is the crop and its quality. The intraspecific hybrids in species Secale cereale and interspecific hybrids of S. cereale subsp. cereale with the Secale strictum subsp. africanum have not been used so far. The sib F SUB 2 generation of the reciprocal, intraspecific hybrids of Secale cereale subsp. cereale (cultivars) with the wild S. cereale subsp. afghanicum , S. cereale subsp. ancestrale and S. cereale subsp. segetale and interspecific hybrids of S. cereale subsp. cereale with the Secale strictum subsp. africanum were used. Some of the tested hybrids possess a number of valuable traits. From the hybrids of rye cultivars with S. cereale subsp. afghanicum and S. cereale subsp. ancestrale , plants resistant to powdery mildew [ Erysiphe graminis ] and brown rust [ Puccinia recondita ] were selected. Moreover, the selected resistant plants had long ears and the grain weight per ear was comparable to that in cultivated rye varieties. Selected hybrids with short straw and long ears can be used to breed the short straw varieties. Because of very broad leaves, the interspecific hybrids of S. cereale subsp. cereale and Secale strictum subsp. africanum can be utilized as parental forms in breeding of rye pasture varieties. The results show that the tested hybrids can be very useful in rye breeding as an initial plant material
Keyword	crossing [ Show all 17 ]

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