Knowledge Center Catalog

Classifying highland quality protein maize in bred lines into heterotic groups (Record no. 65040)

MARC details
000 -LEADER
fixed length control field 02710nab a22003137a 4500
001 - CONTROL NUMBER
control field 65040
003 - CONTROL NUMBER IDENTIFIER
control field MX-TxCIM
005 - DATE AND TIME OF LATEST TRANSACTION
control field 20220209143517.0
008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION
fixed length control field 220208s2022||||ke |||p|op||||00||0|eng|d
022 ## - INTERNATIONAL STANDARD SERIAL NUMBER
International Standard Serial Number 1996-0824 (online)
040 ## - CATALOGING SOURCE
Original cataloging agency MX-TxCIM
041 ## - LANGUAGE CODE
Language code of text/sound track or separate title eng
100 1# - MAIN ENTRY--PERSONAL NAME
9 (RLIN) 10897
Personal name Muluneh, G.
245 10 - TITLE STATEMENT
Title Classifying highland quality protein maize in bred lines into heterotic groups
260 ## - PUBLICATION, DISTRIBUTION, ETC. (IMPRINT)
Place of publication, distribution, etc. Nairobi (Kenya) :
Name of publisher, distributor, etc. Academic Journals,
Date of publication, distribution, etc. 2021.
500 ## - GENERAL NOTE
General note Open Access
520 ## - SUMMARY, ETC.
Summary, etc. Efforts to boost maize productivity can be undertaken through systematic management of heterosis. Combining ability test is a critical step towards identifying a heterotic group of new parental lines. Different heterotic grouping methods has been used by different researchers. Among these, SCA and hybrid mean, hybrid index, combined use of amplified fragment length polymorphism (AFLP), SSR markers and heterotic group’s specific and general combining ability (HSGCA) are the major grouping methods. This study aimed to (i) assign maize inbred lines into heterotic groups and (ii) compare efficiency of different grouping methods. An experiment with 21 maize inbred lines crossed to two testers with known heterotic groups was conducted in 2017. The hybrid and parent experiments were tested together and laid out side by side. This study identified good heterotic grouping procedure. The breeding efficiency of HSGCA was higher by 31.6, 11.0 and 9.6% over joint SCA and hybrid mean, SCA and hybrid index methods, respectively. While the hybrid index method was more efficient than joint SCA and hybrid mean and SCA by 20.1 and 1.3% respectively, the SCA grouping method was more efficient than joint SCA and hybrid mean method by 18.5%. The highest (37%) and lowest (28.1%) breeding efficiency value were scored by HSGCA and hybrid index heterotic grouping method, respectively. Based on the result, HSGCA grouping method was more efficient. The variable heterotic grouping of the 21 newly developed QPM lines in this study indicated that different heterotic grouping methods have different efficiency in grouping the germplasms.
546 ## - LANGUAGE NOTE
Language note Text in English
650 #7 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element Maize
Source of heading or term AGROVOC
9 (RLIN) 1173
650 #7 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element Quality
Source of heading or term AGROVOC
9 (RLIN) 1231
650 #7 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element Crossbreeding
Source of heading or term AGROVOC
9 (RLIN) 6302
650 #7 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element Varieties
Source of heading or term AGROVOC
9 (RLIN) 1303
700 1# - ADDED ENTRY--PERSONAL NAME
9 (RLIN) 791
Personal name Chere, A.T.
Field link and sequence number I1705938
Miscellaneous information Global Maize Program
700 1# - ADDED ENTRY--PERSONAL NAME
9 (RLIN) 26606
Personal name Ali, H. M.
700 1# - ADDED ENTRY--PERSONAL NAME
9 (RLIN) 6746
Personal name Seyoum, S.
773 0# - HOST ITEM ENTRY
Place, publisher, and date of publication Nairobi (Kenya) : Academic Journals, 2021.
Related parts v. 15 no. 8 p. 225-236
Title African Journal of Plant Science
International Standard Serial Number 1996-0824 (Online)
Record control number G94766
856 ## - ELECTRONIC LOCATION AND ACCESS
Link text Open Access through DSpace
Uniform Resource Identifier https://hdl.handle.net/10883/21963
942 ## - ADDED ENTRY ELEMENTS (KOHA)
Koha item type Article
Suppress in OPAC No
Source of classification or shelving scheme Dewey Decimal Classification
Holdings
Date last seen Total Checkouts Price effective from Koha item type Lost status Source of classification or shelving scheme Damaged status Not for loan Collection code Withdrawn status Home library Current library Date acquired
02/08/2022   02/08/2022 Article Not Lost Dewey Decimal Classification     CIMMYT Staff Publications Collection   CIMMYT Knowledge Center: John Woolston Library CIMMYT Knowledge Center: John Woolston Library 02/08/2022

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