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Genetic analysis of roots, shoots, a...

Washington, Evandrew, Jr.

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Genetic analysis of roots, shoots, and several morphologic traits in soybean [Glycine max (L.) Merr.].

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Genetic analysis of roots, shoots, and several morphologic traits in soybean [Glycine max (L.) Merr.]./
Author:	Washington, Evandrew, Jr.
Description:	125 p.
Notes:	Source: Masters Abstracts International, Volume: 48-05, page: 2855.
Contained By:	Masters Abstracts International48-05.
Subject:	Agriculture, Agronomy. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1484514
ISBN:	9781109735369

Genetic analysis of roots, shoots, and several morphologic traits in soybean [Glycine max (L.) Merr.].
Washington, Evandrew, Jr.

Genetic analysis of roots, shoots, and several morphologic traits in soybean [Glycine max (L.) Merr.]. - 125 p.

Source: Masters Abstracts International, Volume: 48-05, page: 2855.

Thesis (M.S.)--Fayetteville State University, 2009.

Crop productivity is severely reduced by root diseases, water deficit and soil derived nutrients in many plant species including soybean. The objectives of the current study were to (1) identify QTL that underlie several root, shoot, and morphologic traits using a recombinant inbred line (RIL) population derived from a cross between two elite soybean cultivars 'Essex' and 'Forrest' (ExF RILs, n=100) provided by SIUC. Plants were grown in the greenhouse at Fayetteville State University and in the field in Harnett County, NC. Simple sequence repeat (SSR) markers and a genetic linkage map was compared to phenotypic data, from field and greenhouse trials, of basal root thickness (BRT), lateral root number (LRN), maximum root length (MRL), root fresh weight (RFW), root dry weight (RDW), shoot fresh weight (SFW), shoot dry weight (SDW), RFW/SFW, and RDW/SDW by composite interval mapping (CIM) with QTL Cartographer. A total of 87 QTL for these traits were identified on different linkage groups (LGs). Sixty eight QTL were identified using field data and 19 QTL using greenhouse data. Out of 68 QTL, three QTL for each of BRT and MRL, one QTL for each of LRN, RDW, and SFW/SDW, 13 QTL for RFW, 16 QTL for SFW, 25 QTL for SDW, and 5 QTL for RFW/RDW. Nineteen greenhouse identified QTL included six QTL were found for LRN, 7 QTL for MRL, one QTL for RDW, 2 QTL for SFW/SDW, and 3 QTL for RFW/RDW.

ISBN: 9781109735369Subjects--Topical Terms:

1018679
Agriculture, Agronomy.

Genetic analysis of roots, shoots, and several morphologic traits in soybean [Glycine max (L.) Merr.].
LDR:02787nam 2200301 4500 001 1398191
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008 130515s2009 ||||||||||||||||| ||eng d
020 $a 9781109735369
035 $a (UMI)AAI1484514
035 $a AAI1484514
040 $a UMI $c UMI
100 1 $a Washington, Evandrew, Jr. $3 1677069
245 1 0 $a Genetic analysis of roots, shoots, and several morphologic traits in soybean [Glycine max (L.) Merr.].
300 $a 125 p.
500 $a Source: Masters Abstracts International, Volume: 48-05, page: 2855.
500 $a Adviser: Abdelmajid Kassem.
502 $a Thesis (M.S.)--Fayetteville State University, 2009.
520 $a Crop productivity is severely reduced by root diseases, water deficit and soil derived nutrients in many plant species including soybean. The objectives of the current study were to (1) identify QTL that underlie several root, shoot, and morphologic traits using a recombinant inbred line (RIL) population derived from a cross between two elite soybean cultivars 'Essex' and 'Forrest' (ExF RILs, n=100) provided by SIUC. Plants were grown in the greenhouse at Fayetteville State University and in the field in Harnett County, NC. Simple sequence repeat (SSR) markers and a genetic linkage map was compared to phenotypic data, from field and greenhouse trials, of basal root thickness (BRT), lateral root number (LRN), maximum root length (MRL), root fresh weight (RFW), root dry weight (RDW), shoot fresh weight (SFW), shoot dry weight (SDW), RFW/SFW, and RDW/SDW by composite interval mapping (CIM) with QTL Cartographer. A total of 87 QTL for these traits were identified on different linkage groups (LGs). Sixty eight QTL were identified using field data and 19 QTL using greenhouse data. Out of 68 QTL, three QTL for each of BRT and MRL, one QTL for each of LRN, RDW, and SFW/SDW, 13 QTL for RFW, 16 QTL for SFW, 25 QTL for SDW, and 5 QTL for RFW/RDW. Nineteen greenhouse identified QTL included six QTL were found for LRN, 7 QTL for MRL, one QTL for RDW, 2 QTL for SFW/SDW, and 3 QTL for RFW/RDW.
520 $a Five QTL were identified for plant height and mapped on LGs A2 (3 QTL -- qph-1-3) and G (2 QTL -- qph-4-5), one QTL was identified for days to germination and mapped on LG M ( qdg-1), and one QTL was identified for days to flowering and mapped on LG D1a+Q.
520 $a The root, shoot, yield, and morphologic traits QTL found here may be of interest in breeding programs to produce cultivars with extensive root systems, tolerant to water deficit and high yielding.
590 $a School code: 1319.
650 4 $a Agriculture, Agronomy. $3 1018679
650 4 $a Biology, Genetics. $3 1017730
690 $a 0285
690 $a 0369
710 2 $a Fayetteville State University. $3 1669415
773 0 $t Masters Abstracts International $g 48-05.
790 1 0 $a Kassem, Abdelmajid, $e advisor
790 $a 1319
791 $a M.S.
792 $a 2009
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1484514