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GrainGenes Reference Report: EUP-72-143

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Reference	EUP-72-143
Title	Near-isogenic lines of durum wheat: their development and plant characteristics.
Journal	Euphytica
Year	1994
Volume	72
Pages	143-147
Author	Wantanabe N
Type	Article
Abstract	The effect of specific plant characteristics on the grain and biomass yield of durum wheat can be accurately determined by using isogenic lines, which, however, were not usually available. This study reported the effects of long glume, glaucousness, glume pubescence, black glume and purple culm on the yield and its associated characteristics in near-isogenic lines of durum wheat cv. LD222, which were developed by continuous backcrossing. The long glume trait which resulted in a large photosynthetic area did not enhance yield. Increased glume size associated with the P gene tended to increase the main culm dominance, characterized such as vigorous main culm and weak tillers, and plant height, but to reduce tillering and spike number. Consequently, grain yield and harvest index declined. Under the adequate water supplying condition of the present study, the glaucous trait was beneficial for grain yield. The trait of glume pubescence did not excert any significant effect on the yield related characteristics in the LD222 background. The traits of black glume and purple culm reduced the number of spikes per unit area and the number of kernels per unit area.
External Databases	https://doi.org/10.1007/BF00023783
Gene	P1 (Triticum)
Germplasm	LD222*11/T. turgidum var polonicum P-LD222
Gene Catalogue Number	9538
Cited in	McIntosh RA et al. (1995) Catalogue of gene symbols for wheat, 1995 supplement Annual Wheat Newsletter.

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