Characterization of a new hexaploid triticale 6D(6A) substitution line with increased grain weight and decreased spikelet number
نویسندگان
چکیده
منابع مشابه
Heterochronic development of the floret meristem determines grain number per spikelet in diploid, tetraploid and hexaploid wheats.
BACKGROUND AND AIMS The inflorescence of grass species such as wheat, rice and maize consists of a unique reproductive structure called the spikelet, which is comprised of one, a few, or several florets (individual flowers). When reproductive growth is initiated, the inflorescence meristem differentiates a spikelet meristem as a lateral branch; the spikelet meristem then produces a floret meris...
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In winter wheat, grain development is asynchronous. The grain number and grain weight vary significantly at different spikelet and grain positions among wheat cultivars grown at different plant densities. In this study, two winter wheat (Triticum aestivum L.) cultivars, 'Wennong6' and 'Jimai20', were grown under four different plant densities for two seasons, in order to study the effect of pla...
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15 صفحه اولEvidence from principal component analysis for improvement of grain shape- and spikelet morphology-related traits after hexaploid wheat speciation.
Grain shape and size are involved in the main components of the domestication syndrome in cereals. Wheat grain shape has been dramatically altered at each stage of the domestication of tetraploid wheat and through common wheat speciation. To elucidate the evolutionary change of wheat grain shape, principal component (PC) analysis of grain shape-related traits was first conducted using wild and ...
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ژورنال
عنوان ژورنال: The Crop Journal
سال: 2019
ISSN: 2214-5141
DOI: 10.1016/j.cj.2019.03.007