Registration of Arkot 1102ne cotton germplasm line

IF 0.6 4区 农林科学 Q4 AGRONOMY
Fred M. Bourland, Don C. Jones
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引用次数: 0

Abstract

Arkot 1102ne (Reg. no. GP-1142; PI 702558) is a conventional, nectariless cotton (Gossypium hirsutum L.) germplasm line released by the Arkansas Agricultural Experiment Station in October 2022. The germplasm line represents an ongoing effort to develop improved genotypes with enhanced yield, yield components, seed traits, earliness, host plant resistance, and fiber properties. Arkot 1102ne was compared to ‘UA48’ and ‘UA222’ over 5 years and four test sites in Arkansas. Across all the test sites, lint yields of Arkot 1102ne were 7.9% and 20.8% higher than those of UA222 and UA48, respectively, due to its higher lint percentage, seed per area, and fiber density. Arkot 1102ne produced the highest average yield of 21 genotypes over 10 locations in the 2019 Regional Breeders’ Network Test (RBTN). Arkot 1102ne produced the highest oil and protein percentages at four 2019 RBTN locations where seed were evaluated. Host plant resistance traits that have been measured on Arkot 1102ne include bacterial blight resistance and Verticillium wilt tolerance. Leaf pubescence and bract trichome density of Arkot 1102ne were intermediate between UA48 and UA222, but stem pubescence was lower. This combination of host plant resistance and yield components should lead to more stable yield production over contrasting environments. The fiber quality of Arkot 1102ne was lower than UA48 and was similar to that of UA222.

注册 Arkot 1102ne 棉花种质系
Arkot 1102ne(登记号:GP-1142;PI 702558)是阿肯色州农业试验站于 2022 年 10 月发布的一个常规无蜜棉花(Gossypium hirsutum L.)种质系。该种质系代表了阿肯色州农业试验站为培育具有更高产、产量成分、种子性状、早熟性、寄主植物抗性和纤维特性的改良基因型所做的不懈努力。Arkot 1102ne与 "UA48 "和 "UA222 "在阿肯色州的四个试验点进行了为期5年的比较。在所有试验点,Arkot 1102ne 的皮棉产量分别比 UA222 和 UA48 高出 7.9% 和 20.8%,原因是其皮棉率、单位面积种子数和纤维密度更高。在 2019 年区域育种家网络测试(RBTN)中,Arkot 1102ne 在 10 个地点的 21 个基因型中平均产量最高。在对种子进行评估的四个 2019 RBTN 地点,Arkot 1102ne 的油分和蛋白质百分比最高。Arkot 1102ne测得的寄主植物抗性性状包括细菌性枯萎病抗性和轮纹枯萎病抗性。Arkot 1102ne的叶短柔毛和苞片毛状体密度介于UA48和UA222之间,但茎短柔毛较低。寄主植物抗性与产量成分的结合应能使其在不同环境下的产量更加稳定。Arkot 1102ne 的纤维质量低于 UA48,与 UA222 相似。
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来源期刊
Journal of Plant Registrations
Journal of Plant Registrations 农林科学-农艺学
CiteScore
1.60
自引率
37.50%
发文量
65
审稿时长
2 months
期刊介绍: The Journal of Plant Registrations is an official publication of the Crop Science Society of America and the premier international venue for plant breeders, geneticists, and genome biologists to publish research describing new and novel plant cultivars, germplasms, parental lines, genetic stocks, and genomic mapping populations. In addition to biomedical, nutritional, and agricultural scientists, the intended audience includes policy makers, humanitarian organizations, and all facets of food, feed, fiber, bioenergy, and shelter industries. The scope of articles includes (1) cultivar, germplasm, parental line, genetic stock, and mapping population registration manuscripts, (2) short manuscripts characterizing accessions held within Plant Germplasm Collection Systems, and (3) descriptions of plant genetic materials that have made a major impact on agricultural security. Registration of plant genetic resources, item (1) above, requires deposit of plant genetic material into the USDA ARS National Plant Germplasm System prior to publication. ­
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