Yield Stability and Drought Tolerance of Selected Early Maturing Maize (Zea Mays L.) Genotypes in Moisture Stress Environments of the Southern Rift Valley, Ethiopia (Record no. 5096)

000 -LEADER
fixed length control field 02390nam a22003857a 4500
001 - CONTROL NUMBER
control field a74177
003 - CONTROL NUMBER IDENTIFIER
control field MX-TxCIM
005 - DATE AND TIME OF LATEST TRANSACTION
control field 20170719110326.0
008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION
fixed length control field 121211s ||||f| 0 p|p||0|| |
040 ## - CATALOGING SOURCE
Original cataloging agency MX-TxCIM
082 04 - DEWEY DECIMAL CLASSIFICATION NUMBER
Classification number 94-023171
100 1# - MAIN ENTRY--PERSONAL NAME
Personal name Yitbarek N.
245 00 - TITLE STATEMENT
Title Yield Stability and Drought Tolerance of Selected Early Maturing Maize (Zea Mays L.) Genotypes in Moisture Stress Environments of the Southern Rift Valley, Ethiopia
260 ## - PUBLICATION, DISTRIBUTION, ETC. (IMPRINT)
Date of publication, distribution, etc. 1992
340 ## - PHYSICAL MEDIUM
Material base and configuration Printed
500 ## - GENERAL NOTE
General note 4 Tables; 12 ref. Summary (En)
520 ## - SUMMARY, ETC.
Summary, etc. Twenty early maturing, elite Maize (Zea mays L.) genotypes, comprising synthetics, top crosses, hybrids and improved lines, grown in about 20 environments (5 years and 4 locations) were tested for their adaptability, stability and drought responses in the semi-arid regions of the rift valley. Residual mean deviation square, b value and Drought Susceptibility Index models were employed. All genotypes including katumani (commercial variety of East Africa) were well adapted to moisture stress environment, although they would not be profitable if grown in high yielding environments. Stability across environments and yield were negatively correlated and hence, the most stable genotypes were relatively low yielding. Meanwhile, adapted genotypes were found to be highly stable. The variation in yield and stability among synthetics, hybrids and improved lines was not consistent. However, synthetic x line crosses were adaptive and stable while single crosses were high yielding. Seasonal yield variability and risk was the highest in Awassa and the lowest in Nazret. A synthetics named composite of best families was the best performer in moisture stress areas and was recommended for release
546 ## - LANGUAGE NOTE
Language note English
595 ## - COLLECTION
Collection AGRIS Collection
650 10 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element Africa
650 10 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element Africa south of Sahara
650 10 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element East Africa
650 10 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element Evaluation
650 10 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element Gramineae
650 10 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element Miscellaneous plant disorders
650 10 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element Plant genetics and breeding
9 (RLIN) 1208
650 10 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element Progeny
650 10 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element Resistance to injurious factors
650 10 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element Stress
9 (RLIN) 1277
650 10 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element Taxa
650 10 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element Zea
700 1# - ADDED ENTRY--PERSONAL NAME
Personal name Tilahun Amede,
Relator term coaut.
773 0# - HOST ITEM ENTRY
Title Addis Abeba University (Ethiopia). Awasa College of Agriculture. Annual Research Report 1991/1992. Addis Abeba (Ethiopia). Addis Abeba University. 1992. p.115-126
942 ## - ADDED ENTRY ELEMENTS (KOHA)
Koha item type Reprint
Holdings
Withdrawn status Lost status Damaged status Not for loan Collection code Permanent Location Current Location Date acquired Full call number Date last seen Price effective from Koha item type
  Not Lost     AGRIS Collection CIMMYT Knowledge Center: John Woolston Library CIMMYT Knowledge Center: John Woolston Library 2017-07-19 94-023171 2017-07-19 2017-07-19 Reprint
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Centro Internacional de Mejoramiento de Maíz y Trigo (CIMMYT) © Copyright 2015. Carretera México-Veracruz. Km. 45, El Batán, Texcoco, México, C.P. 56237.
Si tiene cualquier pregunta, contáctenos a CIMMYT-Knowledge-Center@cgiar.org