Knowledge Center Catalog

Effect of high temperatures, drought and aluminum toxicity on root growth of tropical maize (zea mays l.) seedlings (Record no. 29864)

MARC details
000 -LEADER
fixed length control field 02736nab a22003737a 4500
001 - CONTROL NUMBER
control field G97690
003 - CONTROL NUMBER IDENTIFIER
control field MX-TxCIM
005 - DATE AND TIME OF LATEST TRANSACTION
control field 20170818151152.0
008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION
fixed length control field 121211b |||p||p||||||| |z||| |
022 0# - INTERNATIONAL STANDARD SERIAL NUMBER
International Standard Serial Number 0025-6153
040 ## - CATALOGING SOURCE
Original cataloging agency MX-TxCIM
041 0# - LANGUAGE CODE
Language code of text/sound track or separate title En
100 1# - MAIN ENTRY--PERSONAL NAME
9 (RLIN) 914
Personal name Trachsel, S.
Miscellaneous information Global Maize Program
Field link and sequence number INT3300
245 00 - TITLE STATEMENT
Title Effect of high temperatures, drought and aluminum toxicity on root growth of tropical maize (zea mays l.) seedlings
260 ## - PUBLICATION, DISTRIBUTION, ETC. (IMPRINT)
Date of publication, distribution, etc. 2010
500 ## - GENERAL NOTE
General note Peer-review: Yes - Open Access: Yes|http://science.thomsonreuters.com/cgi-bin/jrnlst/jlresults.cgi?PC=MASTER&ISSN=0025-6153
520 ## - SUMMARY, ETC.
Summary, etc. Maize (Zea mays L.) grown in droughtprone environments often face a multitude of abiotic stresses like desiccation, aluminum-toxicity and heat. The aim of the present study was to ascertain differences in root morphology in response to desiccation, heat and aluminum stress in tropical maize inbred lines used for research towards drought tolerance at flowering by CIMMYT; K64R, SC-Malawi and Ac7729TZSRW are susceptible, while H16, CML444 and Ac7643 are tolerant. Plants were grown on germination blotter in growth pouches until the V2 stage. The lengths of axile and lateral roots were measured non-destructively at 4, 6, 8 and 10 days after germination by scanning with an A4 flatbed scanner followed by digital image analysis. All lines were subjected to aluminum (AlCl3) in the range from 0 to 15 mmol at a pH of 4.3, high temperature of 37°C, and desiccation stress induced by Polyethylene glycol 8000 (PEG) concentrations of 15% and 20%. Elongation of lateral and axile roots were reduced in response to desiccation, heat and aluminum stress. H16 was most tolerant to aluminum; H16, CML444 and SC-Malawi were less severely affected by high temperatures. H16 and CML444 were not tolerant to desiccation in the present study, indicating that their yielding ability observed under drought is rather related to drought avoidance. This finding is corroborated by the finding that under desiccation stress growth of seminal axile roots was reduced in favor of the primary axile root. Under field conditions this pattern will allow the plant to avoid desiccation by reaching greater depths and tap water potentially available in deeper soil strata.
536 ## - FUNDING INFORMATION NOTE
Text of note Global Maize Program
546 ## - LANGUAGE NOTE
Language note English
591 ## - CATALOGING NOTES
Affiliation No CIMMYT affiliation
594 ## - STAFFID
StaffID INT3300
595 ## - COLLECTION
Collection Reprints Collection
650 10 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element Aluminum
650 10 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element Desiccation
650 10 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element Heat
9 (RLIN) 1143
650 10 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element root growth
650 10 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element Root morphology
650 10 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element zea mays L.
700 1# - ADDED ENTRY--PERSONAL NAME
Personal name Hund, A.,
Relator term coaut.
700 1# - ADDED ENTRY--PERSONAL NAME
Personal name Stamp, P.,
Relator term coaut.
773 0# - HOST ITEM ENTRY
Title Maydica
Related parts v. 55, p. 249-260
942 ## - ADDED ENTRY ELEMENTS (KOHA)
Koha item type Article
Holdings
Date last seen Total Checkouts Price effective from Koha item type Lost status Damaged status Not for loan Collection code Withdrawn status Home library Current library Date acquired
07/03/2017   07/03/2017 Article Not Lost     Reprints Collection   CIMMYT Knowledge Center: John Woolston Library CIMMYT Knowledge Center: John Woolston Library 07/03/2017

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