Development of ‘TN16-520R1’: A drought-tolerant soybean cultivar with glyphosate resistance

IF 0.6 4区 农林科学 Q4 AGRONOMY
Christopher J. Smallwood, Avat Shekoofa, Fred L. Allen, Vincent R. Pantalone
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引用次数: 0

Abstract

The glyphosate-tolerant soybean [Glycine max (L.) Merr.] line ‘TN16-520R1’ (Reg. no. CV-560, PI 703273) was released as a high-yielding cultivar by University of Tennessee Agricultural Research in 2018. TN16-520R1 is a BC4F2 cultivar derived from the recurrent parent ‘Ellis’, with drought tolerance and a maturity group (MG) of V-early. It has white flowers, gray pubescence, tan podwall, and a determinate growth habit. The seed has buff hila, is yellow with smooth seed coat, and contains 40% protein and 22% oil on a dry weight basis. TN16-520R1 has good resistance to lodging and good seed quality (1.8 and 1.6, respectively, on 1–5 scale), and a seed size of 11.8 g per 100 seed. Like Ellis, TN16-520R1 has performed competitively throughout much of the mid-South United States over several years, with testing occurring over a 6-year period in 100 environments. Further, TN16-520R1 is remarkably like the recurrent parent Ellis for yield, maturity, lodging, height, protein, and oil. Also, like Ellis, TN16-520R1 is resistant to stem canker [caused by Diaporthe phaseolorum (Cooke & Ellis) Sacc. var. caulivora K.L. Athow & R.M. Caldwell] and southern root-knot nematode [Meloidogyne incognita (Kofoid and White) Chitwood] and has field tolerance to frogeye leafspot [caused by Cercospora sojina (Hara)]. This combination of beneficial traits and broad adaptability make TN16-520R1 an excellent choice as a soybean cultivar for producers or a crossing parent for breeders.

TN16-520R1" 的开发:抗草甘膦的耐旱大豆栽培品种
耐草甘膦大豆[Glycine max (L.) Merr.]品系'TN16-520R1'(登记号 CV-560,PI 703273)是田纳西大学农业研究中心于 2018 年发布的高产栽培品种。TN16-520R1 是一个 BC4F2 栽培品种,来源于复交亲本'Ellis',具有耐旱性,成熟度组(MG)为 V-早熟。它的花白色,短柔毛灰色,荚壁棕褐色,生长习性为行列式。种子呈水绿色,黄色,种皮光滑,干重含 40% 的蛋白质和 22% 的油脂。TN16-520R1 抗倒伏性强,种子质量好(1-5 级分别为 1.8 和 1.6),每 100 粒种子重 11.8 克。与埃利斯一样,TN16-520R1 多年来在美国中南部大部分地区都表现出很强的竞争力,在 100 个环境中进行了为期 6 年的测试。此外,TN16-520R1 在产量、成熟度、结实率、株高、蛋白质和油分方面都与复交亲本埃利斯非常相似。此外,与埃利斯一样,TN16-520R1 也对茎腐病[由 Diaporthe phaseolorum (Cooke & Ellis) Sacc. var. caulivora K.L. Athow & R.M. Caldwell 引起]和南方根结线虫[Meloidogyne incognita (Kofoid and White) Chitwood]具有抗性,并对霜霉病叶斑病[由 Cercospora sojina (Hara) 引起]具有田间耐受性。TN16-520R1 兼具有益性状和广泛的适应性,是生产者种植大豆或育种者杂交亲本的绝佳选择。
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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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