Registration of ‘Sisson’ Wheat

Griffey, Carl A.; Rohrer, W.L.; Pridgen, Thomas H.; Brooks, W. S.; Vaughn, M. E.; Sisson, W. L.; Price, Andrew; Brann, D. E.; Smid, A. E.

doi:10.2135/cropsci2003.1134

Cited by 9 publications

(9 citation statements)

References 2 publications

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“…Grain yield and grain N content were directly related to N rate in all testing environments (P < 0.001; Table 4). Increases in grain yield due to higher N rate ranged from 19.3 to 32.0% in 16H and (Griffey et al, 2003); SS520 ('38158'), PI 619052; VA05W-151 ('5187J'), PI 665039; VA07W-415 ('72014415'), PI 669571; VA09W-73 ('Featherstone 73'), PI 669572; Yorktown, PI 667643.…”

Section: Genotype and N Rate Effects On Grain Yield And N Traitsmentioning

confidence: 99%

Greater Biomass Accumulation at Anthesis Increases Nitrogen Use Efficiency in Winter Wheat

et al. 2019

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Soft red winter wheat (Triticum aestivum L.) production relies on efficient nitrogen (N) fertilization to maximize grower profitability and mitigate environmental impacts. Therefore, a panel of 11 elite wheat lines were grown as a randomized complete block design in four environments under low (LN) and high (HN) N rates to: (i) assess the genotypic variation in aboveground biomass (AGBM) and N yield (AGNY) throughout the growing season; and (ii) investigate the associations between yield and N‐related traits with AGBM and AGNY at tillering, booting, anthesis, and physiological maturity. Biomass samples were cut at the soil level and dried at four developmental stages to determine AGBM then ground to estimate AGNY for each sample. Significant genotypic variation (P ≤ 0.05) was observed for grain yield, grain N content, and N‐utilization efficiency in all testing environments. Additionally, significant (P ≤ 0.05) variation for AGBM and AGNY was identified at the five‐tiller stage, booting, anthesis, and physiological maturity in one or more testing environments. Grain yield was not significantly correlated with any trait under LN conditions despite expressing significant association with N‐utilization efficiency, N‐harvest index, AGBM at anthesis, and AGNY at anthesis under HN rates. Significant correlations also were identified for traits between LN and HN rates including AGBM at anthesis (r = 0.93, P < 0.001) and AGNY (r = 0.69, P < 0.01). Our results suggest that breeders can improve grain yields by using AGBM at anthesis as a proxy trait. Core Ideas Genotypic variation was observed in grain yield and N content, N‐utilization, biomass, and N yield. Grain yield correlated with aboveground biomass and aboveground N yield at anthesis under high N rates. Breeders can improve yields by using biomass at anthesis as a proxy trait per its strong correlation with N rates.

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Section: Genotype and N Rate Effects On Grain Yield And N Traitsmentioning

confidence: 99%

Greater Biomass Accumulation at Anthesis Increases Nitrogen Use Efficiency in Winter Wheat

et al. 2019

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“…The PSR3628 line, which showed only moderate symptoms (VSS = 1.6) and a very low GWS-R (4%), was evaluated Table 4. Average attack of BYDV (VSS: 0-9; 0 = without symptoms), reduction of grain weight per spike (GWS-R) and grain weight per spike after infection (GWS-I) in potential winter wheat sources of BYDV resistance obtained from trials performed in two years at two locations (Prague-Ruzyně, Stupice 2006Stupice , 2008 (Griffey et al 2001(Griffey et al , 2003(Griffey et al , 2005a(Griffey et al , 2005bHaley et al 2003). In trials with artificial inoculation, moderate resistance was confirmed for the McCormick, Roane and Tribute varieties.…”

Section: Evaluation Of Selected Sources Of Resistance For Winter and mentioning

confidence: 99%

Reaction of wheat varieties to infection with barley yellow dwarf virus and prospects for resistance breeding

Veškrna¹,

Chrpová²,

Šíp³

et al. 2009

CZECH J GENET PLANT

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Abstract:The reaction of winter and spring wheat to infection with barley yellow dwarf virus (BYDV-PAV) was evaluated in three-year small-plot field trials on 71 wheat varieties registered in the Czech Republic and at two locations for two years on 63 selected potential sources of resistance. Disease symptoms (VSS) were visually recorded using a 0-9 scale and the percent reduction of grain weight per spike (GWS-R) was measured on twenty plants per plot. The evaluation showed that among the registered varieties of winter and spring wheat no variety had a high resistance to BYDV (with VSS lower than 3.5). GWS-R ranged between 24% and 60%. Higher variability in VSS was detected for the registered varieties of spring wheat compared to winter wheat. Among the registered varieties of winter wheat, Saskia, Rialto, Meritto, Rexia, and Svitava, as well as the spring wheat Leguan, received the best long-term evaluations. The highest level of resistance was detected for the PSR 3628 line (a hybrid of wheat and couch-grass), but in connection with a low agronomic value. The WKL91-138 line of spring wheat and some varieties (lines) with the detected moderate level of resistance, in particular, could offer good prospects for use in breeding. The presence of the Bdv2 gene was expressed only in the reduction of virus content on the 11 th day after inoculation. Nevertheless, genotypes carrying this gene were evaluated in field trials as susceptible or very susceptible to infection with the Czech PAV isolate. Similarly, the presence of the Bdv1 gene detected with the help of WMS130 marker was no assurance of an increased level of resistance to BYDV. Hybridological analyses of crosses with the WKL91-138 line showed a polygenic nature of inheritance. Thus, the marker-assisted selection does not obviously promise success without a focus on detecting a larger number of QTLs.

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“…† The plant introduction number for Bess is PI 642794(McKendry et al, 2007) and for Sisson is PI 617053(Griffey et al, 2003).crop science, vol. 58, november-december 2018 www.crops.org…”

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confidence: 99%

Photoperiod Response Gene Ppd‐D1 Affects Nitrogen Use Efficiency in Soft Red Winter Wheat

et al. 2018

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Optimal N application is critical to ensure profitable soft red winter wheat (Triticum aestivum L.) production and limit negative environmental effects. This study was conducted using 12 wheat lines grown in two Ohio and six Virginia environments to determine the effects of differentially split N rates on grain yield, yield components, and N‐related traits. Upon analysis of wheat lines in two contrasting photoperiod groups, it was discovered that wheat lines containing the photoperiod sensitivity allele (Ppd‐D1b) conferred a significant (P < 0.05) yield advantage under N‐limited conditions in Ohio and across N treatments in half of the Virginia testing environments. This resulted from increased harvest index, grains per square meter, number of kernels per spike, and floret fertility in Ppd‐D1b lines relative to lines with the insensitive allele (Ppd‐D1a). However, wheat genotypes in the photoperiod‐insensitive allelic group had significantly higher (P < 0.05) grain N concentration in all Virginia testing sites. A spring split N application of 33 kg N ha−1 at Zadoks growth stage (GS) 25 and 101 kg N ha−1 at Zadoks GS 30 produced the highest grain yields and grain N contents in five of the six Virginia environments. Nitrogen utilization efficiency was the primary contributor to variation in N use efficiency under higher N rates, whereas N uptake efficiency was the greatest contributor under low N rates. The contribution of N utilization and uptake efficiencies varied among wheat lines in the Ppd‐D1a group when 67 kg N ha−1 was applied at Zadoks GS 25 under the moderate and standard N rates.

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Registration of ‘Sisson’ Wheat

Cited by 9 publications

References 2 publications

Greater Biomass Accumulation at Anthesis Increases Nitrogen Use Efficiency in Winter Wheat

Greater Biomass Accumulation at Anthesis Increases Nitrogen Use Efficiency in Winter Wheat

Reaction of wheat varieties to infection with barley yellow dwarf virus and prospects for resistance breeding

Photoperiod Response Gene Ppd‐D1 Affects Nitrogen Use Efficiency in Soft Red Winter Wheat

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