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Article
Extent and causes of low yield in maize planted late by smallholder farmers in sub-humid areas of Zimbabwe
(CIMMYT, 1991)
Diagnostic work was undertaken during 1987-91 to determine the area of maize planted late by smallholder farmers in sub-humid (Natural Regions 2 and 3) communal areas of Zimbabwe, the grain yield losses encountered, and ...
Report
Epidemiology of Karnal bunt of wheat incited by neovossia indica and an attempt to develop a disease prediction system
(CIMMYT, 1991)
Karnal bunt, is a disease of the wheat grain caused by a fungus and is said to have evolved in South Asia. It has come under concern in both India and Mexico over the last few years. In the present treatise, an attempt has ...
Report
Russian wheat aphid research at CIMMYT: current status and future goals
(CIMMYT, 1991)
A few years ago, CIMMYT started working on the Russian Wheat Aphid (Diuraphis noxia) on a very small scale. Reports on the spread and damage due to this aphid's attack are on the increase in both developed and developing ...
Report
Wheat and wheat breeding in China
(CIMMYT, 1991)
The People's Republic of China, which has the world's largest population (1990 estimate of 1.1 billion), is also the world's largest wheat producer with the crop being grown in 29 of its 30 provinces. As expounded upon in ...
Annual Report
1990-91 CIMMYT World wheat facts and trends: wheat and barley production in rainfed marginal environments of the developing world
(CIMMYT, 1991)
A synopsis of recent trends in rainfed marginal environments of the developing world is followed by a description of the major wheat and barley farming systems in West Asia-North Africa (WANA) and South Asia (the role of ...
Working Paper
Wheat and barley production in rainfed marginal environments of west Asia and North Africa: problems and prospects
(CIMMYT, 1991)
This report reviews long-term trends in cereal production and consumption in Weat Asia and North Africa (WANA) and describes the main wheat- and barley-based farming systems found in rainfed marginal en vironments of the ...
Book
CIMMYT 1990-1991 hechos y tendencias mundiales relacionados con el trigo: la producción de trigo y cebada en ambientes marginales de temporal del mundo en desarrollo
(CIMMYT, 1991)
A synopsis of recent trends in rainfed marginal environments of the developing world is followed by a description of the major wheat and barley farming systems in West Asia North Africa (WANA) and South Asia (the role of ...
Handbook
Carencias y toxicidades nutricionales que afectan al trigo: Una guia para su identificacion en el campo
(CIMMYT, 1991)
Se puede mejorar el empleo de los síntomas visibles para identificar las carencias y toxicidades por nutrimentos en las plantas mediante la observación y descripción cuidadosas de esos síntomas. En esta guía se intenta ...
Conference Proceedings
Mejoramiento de la resistencia a la sequía en trigo: memoria del taller = Breeding for drought resistance in wheat: proceedings of the workshop Marcos Juárez, Argentina, 28 al 30 de agusto de 1989
(CIMMYT, 1991)
La agricultura de secano en todo el mundo invariablemente padece irregularidades en la precipitación pluvial de un año a otro. La sequía, que causa síntomas de estrés hídrico, es un factor Iimitante del rendimiento en ...
Book
Nutrient deficiencies and toxicities in wheat: a guide for field identification
(CIMMYT, 1991)
The use of visual symptoms to identify nutrient deficiencies and toxicities in plants can be improved by both their careful observation and description. This guide attempts to accurately describe symptoms of nutrient ...