Now showing items 1-10 of 419
Triticale production in the Central Mexican highlands: smallholders' experiences and lessons for research
Triticale, a cross between wheat and rye, yields more than ita parent species under two kinds of marginal conditions: highland areas where acid soils and foliar diseases are a problem and semiarid areas where drought stress ...
Results of the 1st International Heat Stress Genotype Experiment
Fischer (1989) summarized the detrimental effects of high temperature on wheat growth as follows: Yield reduction can occur at temperatures above a mean as low as 150C, with the spike and grain growth phases being especially ...
Vernalization requirement and response to day length in guiding development in wheat
Vernalization requirement and response to day length are the major factors controlling development in wheat (Triticum aesitvum L.). This study was to determine how they integrate in the field in Obregon, Sonora, Mexico to ...
Sources of growth in wheat yields in Pakistan's Punjab, 1965-2000: is there a sustainability issue?
Wheat yields rose rapidly in the Punjab of Pakistan during the Green Revolution decade, 1966-76, but the rate of growth has been significantly slower in the decade that followed. Official statistics indicate that the yield ...
Increasing the yield potential of irrigated bread wheat: basis for physiological research at CIMMYT
Yield potential (YP) is defined as the "yield of a cultivar grown in environments to which it is adapted when nutrients and water are nonlimiting, and when pests, diseases, weeds, lodging, and other stresses are effectively ...
Boron deficiency in wheat
Boron deficiency in soils has been reported to affect more and more crops, especially so in the warmer environments. Two reasons come to mind: Either the problem has not been recognized in the past and the symptoms have ...
1990-91 CIMMYT World wheat facts and trends: wheat and barley production in rainfed marginal environments of the developing world
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 ...
Economic losses from Karnal bunt of wheat in Mexico
There has been concern in Mexico in recent years about the impact of the disease Kamal bunt (KB) on the wheat industry; however, to date no comprehensive information has been available on the economic impact of the disease. ...
Irrigated wheat in North West Frontier Province: A synthesis of On-farm research results 1983-86
(CIMMYT; PARC, 1990)
This paper presents the data obtained from on-farm experiments on tillage, variety, weed control, and fertilizer in the irrigated areas of Mardan, Peshawar, and Swat Districts of NWFP. More emphasis is given to Mardan ...
World perspectives on barley yellow dwarf
(DCAS; CIMMYT, 1990)
Barley yellow dwarf (BYD) is a cereal disease caused by an aphid-transmitted virus belonging to the luteovirus group, members of which cause the yellows diseases. The virus, known as barley yellow dwarf virus (BYDV), is ...