MARC details
000 -LEADER |
fixed length control field |
03726nab a22004697a 4500 |
001 - CONTROL NUMBER |
control field |
G79090 |
003 - CONTROL NUMBER IDENTIFIER |
control field |
MX-TxCIM |
005 - DATE AND TIME OF LATEST TRANSACTION |
control field |
20220616181749.0 |
008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION |
fixed length control field |
220616s2003 it |||p|op||| 00| 0 eng d |
022 ## - INTERNATIONAL STANDARD SERIAL NUMBER |
International Standard Serial Number |
2279-8013 |
040 ## - CATALOGING SOURCE |
Original cataloging agency |
MX-TxCIM |
041 ## - LANGUAGE CODE |
Language code of text/sound track or separate title |
eng |
072 #0 - SUBJECT CATEGORY CODE |
Subject category code |
E16 |
072 #0 - SUBJECT CATEGORY CODE |
Subject category code |
F01 |
090 ## - LOCALLY ASSIGNED LC-TYPE CALL NUMBER (OCLC); LOCAL CALL NUMBER (RLIN) |
Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) |
CIS-3957 |
100 1# - MAIN ENTRY--PERSONAL NAME |
9 (RLIN) |
862 |
Personal name |
Zaidi, P.H. |
Miscellaneous information |
Global Maize Program |
Field link and sequence number |
INT2823 |
245 10 - TITLE STATEMENT |
Title |
Relationship between line per se and cross performance under low nitrogen fertility in tropical maize (zea mays L.) |
260 ## - PUBLICATION, DISTRIBUTION, ETC. (IMPRINT) |
Place of publication, distribution, etc. |
Italy : |
Name of publisher, distributor, etc. |
Istituto Sperimentale per la Cerealicoltura, |
Date of publication, distribution, etc. |
2003. |
340 ## - PHYSICAL MEDIUM |
Material base and configuration |
Computer File |
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 |
500 ## - GENERAL NOTE |
General note |
Peer review |
500 ## - GENERAL NOTE |
General note |
Open Access |
520 ## - SUMMARY, ETC. |
Summary, etc. |
Improved maize yields under low nitrogen (N) fertility is desired for both low- input production systems and also for judicious application of fertilizer nitrogen for a sustainable and environment friendly production systems. A key question in breeding for tolerance to low-N fertility is to what extent the performance of maize hybrids can be predicted on the basis of performance of their inbred lines under low-N supply. Past studies showed varied degree of correlations between line and hybrid performance under low-N fertility, ranging from weak to fairly strong relationship. We attempted to examine the impact of low-N supply on relationship between morpho-physiological traits and grain yield measured on inbred parents, all advance generation lines, and their single cross progenies. Reactions of various morpho-physiological traits, except days to anthesis (male flowering), differ significantly at low- and optimal level of N-fertility. Superiority of hybrid progenies over parental lines declined under low-N stress, which indicates that hybrids were comparatively more affected than lines due to low-N supply. Data on individual contributions of heterosis and performance of mid-parent showed that per se performance of lines was relatively more important factor in determining the hybrid performance under both the levels of N-supply. Correlations between various secondary traits and grain yield under both low and optimal-N fertility were moderate to strong in case of both parental lines and hybrids. However, it was comparatively stronger in case of hybrid progenies under low-N stress. Correlations between morpho-physiological traits of lines and hybrids, except for ear rots, were fairly strong and significant under both the level of N supply. The relationship between grain yield of mid-parent and hybrids was comparatively stronger under low-N fertility. Our findings suggest that performance of hybrid progenies under low-N fertility can be predicted to some extent on the basis of advance generation elite inbred parents with proven performance across N-supply. |
536 ## - FUNDING INFORMATION NOTE |
Text of note |
Global Maize Program |
546 ## - LANGUAGE NOTE |
Language note |
Text in English |
591 ## - CATALOGING NOTES |
Affiliation |
0403|AL-Maize Program |
594 ## - STAFFID |
StaffID |
INT2823 |
595 ## - COLLECTION |
Collection |
CIMMYT Staff Publications Collection |
650 #7 - SUBJECT ADDED ENTRY--TOPICAL TERM |
Topical term or geographic name as entry element |
Fertility |
9 (RLIN) |
8861 |
Source of heading or term |
AGROVOC |
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 |
Morphogenesis |
9 (RLIN) |
8862 |
Source of heading or term |
AGROVOC |
650 #7 - SUBJECT ADDED ENTRY--TOPICAL TERM |
Topical term or geographic name as entry element |
Nitrogen |
9 (RLIN) |
2912 |
Source of heading or term |
AGROVOC |
650 #7 - SUBJECT ADDED ENTRY--TOPICAL TERM |
Topical term or geographic name as entry element |
Tropical zones |
9 (RLIN) |
4259 |
Source of heading or term |
AGROVOC |
650 #7 - SUBJECT ADDED ENTRY--TOPICAL TERM |
Topical term or geographic name as entry element |
Yield components |
9 (RLIN) |
1312 |
Source of heading or term |
AGROVOC |
650 #7 - SUBJECT ADDED ENTRY--TOPICAL TERM |
Topical term or geographic name as entry element |
Hybrids |
9 (RLIN) |
1151 |
Source of heading or term |
AGROVOC |
650 #7 - SUBJECT ADDED ENTRY--TOPICAL TERM |
Topical term or geographic name as entry element |
Inbred lines |
Source of heading or term |
AGROVOC |
9 (RLIN) |
1155 |
700 1# - ADDED ENTRY--PERSONAL NAME |
Personal name |
Srinivasan, G. |
9 (RLIN) |
6538 |
700 1# - ADDED ENTRY--PERSONAL NAME |
Personal name |
Sánchez, C. |
9 (RLIN) |
4725 |
773 0# - HOST ITEM ENTRY |
Title |
Maydica |
Note |
632817 |
Related parts |
v. 48, p. 221-231 |
Place, publisher, and date of publication |
Bergamo (Italy) : Istituto Sperimentale per la Cerealicoltura, 2003. |
Record control number |
2279-8013 |
International Standard Serial Number |
2279-8013 |
856 4# - ELECTRONIC LOCATION AND ACCESS |
Uniform Resource Identifier |
http://hdl.handle.net/10883/2982 |
Link text |
Open Access through DSpace |
942 ## - ADDED ENTRY ELEMENTS (KOHA) |
Koha item type |
Article |
Source of classification or shelving scheme |
Dewey Decimal Classification |
Suppress in OPAC |
No |