Knowledge Center Catalog

Stacking tolerance to drought and resistance to a parasitic weed in tropical hybrid maize for enhancing resilience to stress combinations (Record no. 62624)

MARC details
000 -LEADER
fixed length control field 03887nab|a22004217a|4500
001 - CONTROL NUMBER
control field 62624
003 - CONTROL NUMBER IDENTIFIER
control field MX-TxCIM
005 - DATE AND TIME OF LATEST TRANSACTION
control field 20240919020952.0
008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION
fixed length control field 200910s2020||||sz |||p|op||||00||0|eng|d
022 ## - INTERNATIONAL STANDARD SERIAL NUMBER
International Standard Serial Number 1664-462X
024 8# - OTHER STANDARD IDENTIFIER
Standard number or code https://doi.org/10.3389/fpls.2020.00166
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
Personal name Menkir, A.
9 (RLIN) 1818
245 10 - TITLE STATEMENT
Title Stacking tolerance to drought and resistance to a parasitic weed in tropical hybrid maize for enhancing resilience to stress combinations
260 ## - PUBLICATION, DISTRIBUTION, ETC. (IMPRINT)
Place of publication, distribution, etc. Switzerland :
Name of publisher, distributor, etc. Frontiers,
Date of publication, distribution, etc. 2020.
500 ## - GENERAL NOTE
General note Peer review
500 ## - GENERAL NOTE
General note Open Access
520 ## - SUMMARY, ETC.
Summary, etc. Maize is a food security crop cultivated in the African savannas that are vulnerable to the occurrence of drought stress and Striga hermonthica infestation. The co-occurrence of these stresses can severely damage crop growth and productivity of maize. Until recently, maize breeding in International Institute of Tropical Agriculture (IITA) has focused on the development of either drought tolerant or S. hermonthica resistant germplasm using independent screening protocols. The present study was therefore conducted to examine the extent to which maize hybrids simultaneously expressing resistance to S. hermonthica and tolerance to drought (DTSTR) could be developed through sequential selection of parental lines using the two screening protocols. Regional trials involving 77 DTSTR and 22 commercial benchmark hybrids (STR and non-DTSTR) were then conducted under Striga-infested and non-infested conditions, managed drought stress and fully irrigated conditions as well as in multiple rainfed environments for 5 years. The observed yield reductions of 61% under managed drought stress and 23% under Striga-infestation created desirable stress levels leading to the detection of significant differences in grain yield among hybrids at individual stress and non-stress conditions. On average, the DTSTR hybrids out-yielded the STR and non-DTSTR commercial hybrids by 13–19% under managed drought stress and fully irrigated conditions and by −4 to 70% under Striga-infested and non-infested conditions. Among the DTSTR hybrids included in the regional trials, 33 were high yielders with better adaptability across environments under all stressful and non-stressful testing conditions. Twenty-four of the 33 DTSTR hybrids also yielded well across diverse rainfed environments. The genetic correlations of grain yield under managed drought stress with yield under Striga-infestation and multiple rainfed environments were 0.51 and 0.57, respectively. Also, a genetic correlation between yields under Striga-infestation with that recorded in multiple rainfed environments was 0.58. These results suggest that the sequential selection scheme offers an opportunity to accumulate desirable stress-related traits in parents contributing to superior agronomic performance in hybrids across stressful and diverse rainfed field environments that are commonly encountered in the tropical savannas of Africa.
546 ## - LANGUAGE NOTE
Language note Text in English
650 #7 - SUBJECT ADDED ENTRY--TOPICAL TERM
Source of heading or term AGROVOC
9 (RLIN) 1277
Topical term or geographic name as entry element Stress
650 #7 - SUBJECT ADDED ENTRY--TOPICAL TERM
Source of heading or term AGROVOC
9 (RLIN) 1082
Topical term or geographic name as entry element Drought tolerance
650 #7 - SUBJECT ADDED ENTRY--TOPICAL TERM
Source of heading or term AGROVOC
9 (RLIN) 6854
Topical term or geographic name as entry element Striga hermonthica
650 #7 - SUBJECT ADDED ENTRY--TOPICAL TERM
Source of heading or term AGROVOC
9 (RLIN) 1081
Topical term or geographic name as entry element Drought stress
650 #7 - SUBJECT ADDED ENTRY--TOPICAL TERM
Source of heading or term AGROVOC
9 (RLIN) 16108
Topical term or geographic name as entry element Infestation
700 1# - ADDED ENTRY--PERSONAL NAME
Personal name Crossa, J.
Miscellaneous information Genetic Resources Program
Field link and sequence number CCJL01
9 (RLIN) 59
700 1# - ADDED ENTRY--PERSONAL NAME
9 (RLIN) 4009
Personal name Meseka, S.
700 1# - ADDED ENTRY--PERSONAL NAME
9 (RLIN) 4010
Personal name Bossey, B.
700 1# - ADDED ENTRY--PERSONAL NAME
9 (RLIN) 16109
Personal name Muhyideen, O.
700 1# - ADDED ENTRY--PERSONAL NAME
9 (RLIN) 16110
Personal name Riberio, P.F.
700 1# - ADDED ENTRY--PERSONAL NAME
Personal name Coulibaly, M.
Field link and sequence number 001713737
Miscellaneous information Formerly Sustainable Agrifood Systems
9 (RLIN) 16111
700 1# - ADDED ENTRY--PERSONAL NAME
9 (RLIN) 16112
Personal name Yacoubou, A.
700 1# - ADDED ENTRY--PERSONAL NAME
9 (RLIN) 2299
Personal name Olaoye, G.
700 1# - ADDED ENTRY--PERSONAL NAME
9 (RLIN) 6865
Personal name Haruna, A.
773 0# - HOST ITEM ENTRY
Title Frontiers in Plant Science
Related parts v. 11, art. 166
Place, publisher, and date of publication Switzerland : Frontiers, 2020.
International Standard Serial Number 1664-462X
Record control number u56875
856 4# - ELECTRONIC LOCATION AND ACCESS
Link text Open Access through DSpace
Uniform Resource Identifier https://hdl.handle.net/10883/20961
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
09/28/2020   09/28/2020 Article Not Lost Dewey Decimal Classification     CIMMYT Staff Publications Collection   CIMMYT Knowledge Center: John Woolston Library CIMMYT Knowledge Center: John Woolston Library 09/28/2020

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