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GrainGenes Reference Report: WIS-98-22

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Reference	WIS-98-22
Title	Quality and agronomic comparisons between nearly isogenic wheat lines differing for spike density
Journal	Wheat Information Service
Year	2004
Volume	98
Pages	22-24
Author	Allan RE
Abstract	Quality and agronomic comparisons were carried out during 1995 and 1996 in Washington, USA, between soft white winter wheat selections of Early Blackhull/7*Paha and Suweon 185/7*Paha that were nearly isogenic for club (CC) and lax (cc) spike density. The objective was to determine whether differences between the two sets of nearly isogenic lines (NILs) were directly associated with the C or c allele. Differences were detected for 7 of 13 quality traits measured between the club and the lax NILs during one or both seasons and for one or both populations. Flour yield, break flour yield, and milling score differed between the NILs of both populations when averaged across seasons. Values of these three traits were lower for club NILs versus their lax sibs. Less consistent differences occurred between the club and the lax NILs for wheat protein, mixing type, cake volume, and cake score for one but not for both populations. When quality trait differences occurred between the club and the lax NILs, the lax sibs consistently had more optimal values than their club sibs. No differences occurred between the club and the lax NILs for grain yield, test weight, and spike number in either population. The club NILs of both populations had 19% more kernels per spike than the lax sibs, but their kernels weighed 7-14% less. The club NILs sustained less lodging than the lax NILs. The club (CC) genotype did not enhance the soft wheat quality and adversely affected some quality traits
Keyword	[ Hide all but 1 of 19 ] allele crop quality crop yield kernels lodging milling quality mixing plant disorders quality seasons seed seed weight selection spikes wheat protein wheatflour winter winter wheat yield components

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