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SUMMARY : PAPERS PRESENTED AT INTERNATIONAL WORKSHOP ON INCREASING WHEAT YIELD POTENTIAL, CIMMYT, OBREGON, MEXICO, 20-24 MARCH 2006 Challenges to international wheat improvement

Published on Jun 1, 2007in The Journal of Agricultural Science 1.19
· DOI :10.1017/S0021859607007034
Matthew P. Reynolds61
Estimated H-index: 61
(CIMMYT: International Maize and Wheat Improvement Center),
Peter Hobbs11
Estimated H-index: 11
(Cornell University),
Hans J. Braun8
Estimated H-index: 8
(CIMMYT: International Maize and Wheat Improvement Center)
Abstract
s; 4th International Crop Science Congress, September 26 to October 1, 2004, Brisbane, Australia (Eds T. Fischer, N. Turner, J. Angus, L. McIntyre, M. Robertson, A. Borrell & D. Lloyd), p. 265. Gosford, Australia: The Regional Institute Ltd. Available online at http://www.cropscience.org.au/icsc2004/poster/3/4/6/ 1353_vanginkelm.htm (verified 15/2/07). VAN GINKEL, M., REYNOLDS, M., TRETHOWAN, R. & HERNANDEZ, E. (in pressb). Complementing the breeders eye with canopy temperature measurements. In Challenges to International Wheat Improvement (Eds M. P. Reynolds, H. J. Braun, M. Listman & D. Poland). Mexico City: CIMMYT. VARGAS, M., CROSSA, J., REYNOLDS, M. P., DHUNGANA, P. & ESKRIDGE, K. M. (2007). Structural equation modelling for studying genotyperenvironment interactions of physiological traits affecting yield in wheat. Journal of Agricultural Science, Cambridge 145, 151–162. WORLD METEOROLOGICAL ORGANIZATION (WMO) (1997). Comprehensive Assessment of the Freshwater Resources of the World. Geneva, Switzerland and Stockholm, Sweden: WMO and Stockholm Environment Institute. Challenges to international wheat improvement 227
  • References (19)
  • Citations (21)
Cite
References19
Newest
Published on Jun 1, 2007in The Journal of Agricultural Science 1.19
J. I. Ortiz-Monasterio1
Estimated H-index: 1
(CIMMYT: International Maize and Wheat Improvement Center),
W. R. Raun42
Estimated H-index: 42
(OSU: Oklahoma State University–Stillwater)
SUMMARY Wheat nitrogen-use efficiency in the Yaqui Valley has been estimated at about 0.31. The nitrogen that is not recovered by the crop has important environmental costs that have regional and global consequences. In addition, these nitrogen losses represent an important reduction in farm income. The objective of the present work was to validate a technology that includes the use of N-rich strips together with the GreenSeeker TM sensor and a crop algorithm in farmers’ fields with the ultimate...
56 Citations Source Cite
Published on Jun 1, 2007in The Journal of Agricultural Science 1.19
J. P. Brennan1
Estimated H-index: 1
(New South Wales Department of Primary Industries),
Anthony G. Condon34
Estimated H-index: 34
(CSIRO: Commonwealth Scientific and Industrial Research Organisation)
+ 1 AuthorsMatthew P. Reynolds61
Estimated H-index: 61
(CIMMYT: International Maize and Wheat Improvement Center)
SUMMARY Physiological research has shown that measurements on small plots of stomatal conductance, canopy temperature depression (CTD) or carbon isotope discrimination may be useful for screening breeding populations for yield potential, prior to the execution of expensive replicated yield trials. Such indirect selection criteria may be very effective as lower cost alternatives for estimating genetic gain for complex characteristics such as yield that are relatively expensive to measure accurate...
35 Citations Source Cite
Published on Jun 1, 2007in The Journal of Agricultural Science 1.19
Raj K. Gupta28
Estimated H-index: 28
(CIMMYT: International Maize and Wheat Improvement Center),
K.D. Sayre29
Estimated H-index: 29
(CIMMYT: International Maize and Wheat Improvement Center)
The Green Revolution era focused on enhancing the production and productivity of rice and wheat. New challenges demand that the issues of efficient resource use and resource conservation receive high priority to ensure that past gains can be sustained and further enhanced to meet the emerging needs. Extending some of the resource-conserving interventions developed for wheat to rice culture is a major challenge for researchers and farmers alike. The present paper shares recent research experience...
73 Citations Source Cite
Published on Jun 1, 2007in The Journal of Agricultural Science 1.19
John Dixon20
Estimated H-index: 20
(CIMMYT: International Maize and Wheat Improvement Center),
Jonathan Hellin2
Estimated H-index: 2
(CIMMYT: International Maize and Wheat Improvement Center)
+ 1 AuthorsPetr Kosina8
Estimated H-index: 8
(CIMMYT: International Maize and Wheat Improvement Center)
SUMMARY Agricultural research has contributed enormously to poverty reduction and increased food security worldwide. Wheat crop improvement is a good example of this contribution. Public investments in wheat research from the Green Revolution onwards led to significant productivity increases : following the widespread adoption of semi-dwarf varieties, annual yield growth rates peaked at 2 . 75 % p.a. in the 1980s. Since then, public and private investments in crop (including wheat) research have...
15 Citations Source Cite
Published on Apr 1, 2007in The Journal of Agricultural Science 1.19
Peter Hobbs11
Estimated H-index: 11
(Cornell University)
Conservation agriculture (CA), defined as minimal soil disturbance (no-till) and permanent soil cover (mulch) combined with rotations, is a more sustainable cultivation system for the future than those presently practised. The present paper first introduces the reasons for tillage in agriculture and discusses how this age-old agricultural practice is responsible for the degradation of natural resources and soils. The paper goes on to introduce conservation tillage (CT), a minimum tillage and sur...
365 Citations Source Cite
Published on Apr 1, 2007in The Journal of Agricultural Science 1.19
Mateo Vargas22
Estimated H-index: 22
(CIMMYT: International Maize and Wheat Improvement Center),
José Crossa60
Estimated H-index: 60
(CIMMYT: International Maize and Wheat Improvement Center)
+ 2 AuthorsKent M. Eskridge35
Estimated H-index: 35
SUMMARY In plant physiology and breeding, it is important to understand the causes of genotyperenvironment interactions (GEIs) of complex traits such as grain yield. It is difficult to study the underlying sequential biological processes of such traits, their components and other intermediate traits, as well as the main environmental factors affecting those processes. The structural equation models (SEMs) used in the present study allow the external and internal factors affecting GEI of various ...
14 Citations Source Cite
Published on Apr 1, 2007in The Journal of Agricultural Science 1.19
D. P. Hodson1
Estimated H-index: 1
(CGIAR),
J. W. White1
Estimated H-index: 1
SUMMARY CIMMYT (International Maize and Wheat Improvement Centre) and other research groups within the Consultative Group for International Agricultural Research (CGIAR) have made major contributions to agricultural development, e.g. underpinning the ‘ green revolution ’, but it is unlikely they will continue making such far-reaching contributions without the ability to collect, analyse and assimilate large amounts of spatially orientated agronomic and climatic data. Increasingly, application of...
29 Citations Source Cite
Published on Apr 1, 2007in The Journal of Agricultural Science 1.19
R. A. Fischer1
Estimated H-index: 1
(Australian Centre for International Agricultural Research)
The present paper focuses on the physiology of yield potential in wheat (Triticum aestivum L.), because breeding progress in yield potential has overtaken farm yield progress. The paper examines developments largely in the last 10 years seeking routes to higher yield potential. Lately this subject has come under pressure from two new imperatives: perceived slowing of genetic progress and ambitious functional genomics. Analysis of trials between 1996 and 2005 at the CIANO research centre in north...
171 Citations Source Cite
Published on Apr 1, 2007in The Journal of Agricultural Science 1.19
Daniel J. Miralles31
Estimated H-index: 31
(UBA: University of Buenos Aires),
Gustavo A. Slafer58
Estimated H-index: 58
(University of Lleida)
Ponencia presentada al International Workshop on Increasing Wheat Yield Potential, CIMMYT, Obregon, Mexic, del 20 al 24 de marc de 2006.
133 Citations Source Cite
Published on Feb 1, 2007in The Journal of Agricultural Science 1.19
Joel K. Ransom9
Estimated H-index: 9
(NDSU: North Dakota State University),
Gregory Endres5
Estimated H-index: 5
,
B. G. Schatz1
Estimated H-index: 1
A significant proportion of wheat (Triticum aestivum L.) yield increases achieved at the farm level in the past can be attributed to improved crop management practices. The important role of crop management practices in increasing the yield potential in wheat sustainably is illustrated with recent research findings from North Dakota. In the dryer regions, no-till and crop rotations significantly improve yield and protect the productivity of the soil. Intensifying management in the wetter regions...
15 Citations Source Cite
Cited By21
Newest
Published on Sep 1, 2017in Journal of the Science of Food and Agriculture 2.38
Pu-Fang Li2
Estimated H-index: 2
,
Bao-Luo Ma2
Estimated H-index: 2
(AAFC: Agriculture and Agri-Food Canada)
+ 1 AuthorsWen-Yuan Zhang1
Estimated H-index: 1
(Lanzhou University)
The eco-physiological mechanism of wheat yield loss resulting from chilling stress is a fundamental scientific issue. However, previous studies have focused on hexaploid wheats, and few studies on the morphological and physiological plasticity of wheat plants. Six different wheat genotypes were tested under chilling stress to investigate the physio-morphological parameters as well as the loss of grain yield in growth chambers.; Results: Chilling stress resulted in significant loss in grain yield...
2 Citations Source Cite
Published on Jan 1, 2015in Crop Science 1.64
K. A. B. Aisawi1
Estimated H-index: 1
(University of Nottingham),
Matthew P. Reynolds61
Estimated H-index: 61
(CIMMYT: International Maize and Wheat Improvement Center)
+ 1 AuthorsM.J. Foulkes17
Estimated H-index: 17
(University of Nottingham)
42 Citations Source Cite
Published on Mar 1, 2014in Euphytica 1.55
Wei Wu10
Estimated H-index: 10
(NWAFU: Northwest A&F University),
Changjiang Li5
Estimated H-index: 5
(NWAFU: Northwest A&F University)
+ 3 AuthorsYuncheng Liao12
Estimated H-index: 12
(NWAFU: Northwest A&F University)
Genetic progress has brought about a dramatic increase in yield potential per se for almost all production areas around the world. The present study examines the relationship of wheat yield with year of release, yield components, harvest index (HI), biomass production, and plant height. We used aggregative data from 1945 to 2010 to calculate genetic gain in wheat yield across different zones in China. A deeper understanding of these issues facilitates the identification of specific yield-limitin...
18 Citations Source Cite
Published on Jan 1, 2014in Advances in Agronomy 5.07
S. S. Kukal21
Estimated H-index: 21
(PAU: Punjab Agricultural University),
M.L. Jat22
Estimated H-index: 22
(CIMMYT: International Maize and Wheat Improvement Center),
Harminder S. Sidhu1
Estimated H-index: 1
(PAU: Punjab Agricultural University)
Abstract Serious water deficits are threatening agricultural sustainability in many regions of the South Asia (SA). While the increase in crop production of irrigated rice–wheat system in SA has been impressive since the 1970s, the low water productivity (WP) has led to the depletion of surface water and groundwaters. In this chapter we have discussed the availability of water resources in SA, identified the positive effects of soil and water management and crop genetic improvement on WP, and th...
30 Citations Source Cite
Published on Dec 1, 2013in Field Crops Research 3.13
Chhavi Tiwari2
Estimated H-index: 2
(Institute of Agricultural Sciences, Banaras Hindu University),
Hugh Wallwork19
Estimated H-index: 19
(South Australian Research and Development Institute)
+ 5 AuthorsArun K. Joshi7
Estimated H-index: 7
(Institute of Agricultural Sciences, Banaras Hindu University)
Abstract The inheritance of tolerance to high temperature stress during the grain filling period was investigated via a QTL analysis based on 138 doubled haploid progeny of a cross between the wheat cultivars Berkut and Krichauff. Performance data were collected from three seasons, in each of which the material was planted both at the conventional time and a month later. A heat sensitivity index (HSI) was also used to monitor the effect of high temperature on grain yield, thousand grain weight, ...
12 Citations Source Cite
Published on Nov 1, 2013in Euphytica 1.55
R. Esten Mason8
Estimated H-index: 8
(UA: University of Arkansas),
Dirk B. Hays14
Estimated H-index: 14
(A&M: Texas A&M University)
+ 2 AuthorsBhoja R. Basnet11
Estimated H-index: 11
(CIMMYT: International Maize and Wheat Improvement Center)
A wheat (Triticum aestivum L.) recombinant inbred line (RIL) population was used to identify quantitative trait loci (QTL) associated with yield, yield components, and canopy temperature depression (CTD) under field conditions. The RIL population, consisting of 118 lines derived from a cross between the stress tolerant cultivar ‘Halberd’ and heat stress sensitive cultivar ‘Karl92’, was grown under optimal and late sown conditions to impose heat stress. Yield and yield components including biomas...
27 Citations Source Cite
Published on Sep 1, 2012in Field Crops Research 3.13
Ariel Ferrante8
Estimated H-index: 8
(University of Lleida),
Roxana Savin18
Estimated H-index: 18
(University of Lleida),
Gustavo A. Slafer58
Estimated H-index: 58
(University of Lleida)
Abstract Yield differences among wheat cultivars and its responsiveness to resource availability are usually related to grain number per m 2 , and further increases in grain number are required, but now beyond differences in time to anthesis and plant height (that are mostly optimised in traditional growing regions). The objective of this paper was to determine and quantify differences in yield physiology between different modern well adapted durum wheats grown in contrasting conditions (in addi...
37 Citations Source Cite
Published on Jan 1, 2012
Mohammad Kazem Shefazadeh6
Estimated H-index: 6
,
Mohtasham Mohammadi10
Estimated H-index: 10
,
Rahmatollah Karimizadeh9
Estimated H-index: 9
The difficulty of selecting for improved adaptation to heat stress makes the use of indirect measures attractive to plant breeders. To examine the response to selection on canopy temperature, leaf chlorophyll content, Fv/Fm ratio and kernel weight and to evaluate the response of some wheat genotypes facing high temperatures during and after anthesis under field conditions, ten bread wheat genotypes were exposed to two different sowing dates: normal and late sowing, to assure high temperatures du...
6 Citations
Published on Dec 1, 2011in Field Crops Research 3.13
Zhongwei Tian7
Estimated H-index: 7
(NAU: Nanjing Agricultural University),
Qi Jing17
Estimated H-index: 17
(NAU: Nanjing Agricultural University)
+ 2 AuthorsWeixing Cao27
Estimated H-index: 27
(NAU: Nanjing Agricultural University)
Abstract Wheat is an important food crop worldwide. Genetic improvements have contributed much to wheat production since the 1960s. Verifying the evolution of agronomic traits and the physiological basis of grain yield will facilitate breeders and agronomists in developing new wheat cultivars, with the aim of stable and high yields. Thirty-five wheat cultivars, bred or widely planted in the Yangtze River Basin from 1950 to 2005, were grown in field experiments under three N rates (0, 112.5, and ...
36 Citations Source Cite