Root Inheritance in Peas

Jean, Frank Covert

doi:10.1086/333902

Cited by 4 publications

(3 citation statements)

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“…Since total root length is primarily determined by the number and length of lateral roots, shoot length was not expected to be a reliable predictor of total root length or mass. Jean (1928) reported that root penetration was directly related to height of the above ground portion; however, this is related to overall taproot length and not branch number and length. Accessions with the greatest root:shoot dry weight ratio were PI 103058, PI 137119, PI 180693, PI 197044, and PI 261631.…”

Section: Resultsmentioning

confidence: 95%

“…Improvement in root architecture has been the result of indirect selection for disease tolerance or overall productivity. Studies of root growth and function have been conducted on pea over the last 75 yr; however, reports are few and intermittent in the literature (Jean, 1928; Kraft and Boge, 2001; Veitenheimer and Gritton, 1984; Zobel, 1974). Jean (1928) demonstrated that heritable variation exists in pea and that root growth was directly related to the phenotype of the shoot.…”

mentioning

confidence: 99%

“…Studies of root growth and function have been conducted on pea over the last 75 yr; however, reports are few and intermittent in the literature (Jean, 1928; Kraft and Boge, 2001; Veitenheimer and Gritton, 1984; Zobel, 1974). Jean (1928) demonstrated that heritable variation exists in pea and that root growth was directly related to the phenotype of the shoot. Veitenheimer and Gritton (1984) studied 42 freezing and canning pea genotypes and found significant variability in the root and shoot characters evaluated; however, this variability was not related to previously expressed tolerance to root rot caused by Aphanomyces euteiches Drechs.…”

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confidence: 99%

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Variation for Seedling Root Architecture in the Core Collection of Pea Germplasm

McPhee

2005

Crop Science

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bauer, 1996). Many pea diseases common in production areas affect root growth and function, thereby limiting Root growth is an important component of plant growth but has productivity (Kraft and Pfleger, 2001, p. 67). Tolerance received little attention by plant breeders because of difficulties associto many root diseases has been attributed to rapid root ated with root observation. Improved root architecture and production growth and production of large root mass; however, are likely to improve pea (Pisum sativum L.) production because they are often grown on marginal land and suffer from increased improved root growth parameters have not always been disease pressure and poor fertility. The objective of this study was to correlated with increased productivity (Kraft and Boge, quantify the phenotypic variation in seedling root production among 2001). However, analysis of seedling root characters has Pisum germplasm and to classify the root architecture observed. Seed been shown to relate well to root production under field of 330 accessions from the core collection of Pisum germplasm were conditions (Kraft and Boge, 2001; Veitenheimer and germinated and grown under artificial conditions for 14 d and their Gritton, 1984). Prolific root growth is not only expected root characters analyzed. Root systems were scanned and digitized to provide an advantage to the plant in the presence of by the WinRHIZO program. Data collected included taproot length, pathogens, but also under conditions where herbicide shoot length, and root and shoot dry weight. Data generated by Windamage may occur (Ali-Kahn and Snoad, 1977). Many RHIZO included total root length, surface area, average root diameherbicides applied to the pea crop have potential to ter, and root volume. Taproot length ranged from 181 to 433 mm, while root and shoot dry weight ranged from 6 to 57 mg and 13 to damage plant growth when taken up by roots. Rapid 104 mg, respectively. Total root length ranged from 54 to 399 cm,

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Section: Resultsmentioning

confidence: 95%

mentioning

confidence: 99%

mentioning

confidence: 99%

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