scholarly journals Soil water extraction and use by winter wheat cultivars under limited irrigation in a semi-arid environment

2020 ◽  
Vol 174 ◽  
pp. 104046 ◽  
Author(s):  
Sushil Thapa ◽  
Qingwu Xue ◽  
Kirk E. Jessup ◽  
Jackie C. Rudd ◽  
Shuyu Liu ◽  
...  
Keyword(s):  
Winter Wheat ◽  
Soil Water ◽  
Arid Environment ◽  
Water Extraction ◽  
Wheat Cultivars ◽  
Winter Wheat Cultivars ◽  
Soil Water Extraction ◽  
Semi Arid

Jointed Goatgrass (Aegilops cylindrica) Ecology and Interference in Winter Wheat

Weed Science ◽  
1993 ◽  
Vol 41 (3) ◽  
pp. 388-393 ◽  
Author(s):  
R. L. Anderson
Keyword(s):  
Winter Wheat ◽  
Grain Yield ◽  
Soil Water ◽  
Yield Loss ◽  
Cultural Practices ◽  
Control Measures ◽  
Water Extraction ◽  
Aegilops Cylindrica ◽  
Jointed Goatgrass ◽  
Soil Water Extraction

Jointed goatgrass is a serious weed in winter wheat, and presently no herbicides are available for its selective control. This study examined the effect of time of emergence and removal on jointed goatgrass interference in winter wheat, as well as its rate of development and soil water extraction. The goal of this study was to suggest cultural practices that minimize jointed goatgrass interference in winter wheat. Jointed goatgrass development was identical to ‘Vona’ winter wheat in two crop seasons, even though precipitation differed drastically between seasons. Depth of soil water extraction of both species was also similar. Jointed goatgrass at 18 plants m−2reduced grain yield 27 and 17% when emerging 0 and 42 d after Vona, respectively. The relationship between time of jointed goatgrass emergence after winter wheat and grain yield loss was Y = 30.6–0.29X (X = days, r = 0.72), indicating that plants emerging in late fall still caused yield loss. Removing jointed goatgrass by early March prevented winter wheat grain yield loss. The interference data suggests that producers assess infestation levels and plan control measures in early March.

scholarly journals O-linked N-acetylglucosamine transferase is involved in fine regulation of flowering time in winter wheat

2021 ◽  
Vol 12 (1) ◽  
Author(s):  
Min Fan ◽  
Fang Miao ◽  
Haiyan Jia ◽  
Genqiao Li ◽  
Carol Powers ◽  
...  
Keyword(s):  
Winter Wheat ◽  
Flowering Time ◽  
Heading Date ◽  
Wheat Cultivars ◽  
Gene Encoding ◽  
Constitutive Overexpression ◽  
Winter Wheat Cultivars ◽  
Fine Regulation ◽  
Trait Locus ◽  
Glcnac Transferase

AbstractVernalization genes underlying dramatic differences in flowering time between spring wheat and winter wheat have been studied extensively, but little is known about genes that regulate subtler differences in flowering time among winter wheat cultivars, which account for approximately 75% of wheat grown worldwide. Here, we identify a gene encoding anO-linkedN-acetylglucosamine (O-GlcNAc) transferase (OGT) that differentiates heading date between winter wheat cultivars Duster and Billings. We clone thisTaOGT1gene from a quantitative trait locus (QTL) for heading date in a mapping population derived from these two bread wheat cultivars and analyzed in various environments. Transgenic complementation analysis shows that constitutive overexpression ofTaOGT1bfrom Billings accelerates the heading of transgenic Duster plants.TaOGT1 is able to transfer anO-GlcNAc group to wheat proteinTaGRP2. Our findings establish important roles forTaOGT1in winter wheat in adaptation to global warming in the future climate scenarios.

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