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Mostrando ítems 101-109 de 109
Book
Roña o tizon de la espiga del trigo (Fusarium graminearum Schwabe)
(CIMMYT, 1994)
El tizón de la espiga del trigo ha side un factor importante en muchas regiones del mundo, especialmente en aquellas en que las condiciones climáticas desde el espigamiento hasta la madurez son humedas y/o de alta pluviometría. ...
Book
In situ conservation of crops and their relatives: a review of current status and prospects for wheat and maize
(CIMMYT, 1996)
This paper reviews the current status and prospects for in situ conservation of maize and wheat and their relatives. The caricature of in situ conservation-that it imposes cultural stasis and isolation on marginal ...
Book
Seed health: fostering the safe distribution of maize and wheat seed - general guidelines
(CIMMYT, 2012)
CIMMYT has a global mandate for the improvement of wheat and maize, and it is also responsible for conserving the germplasm of these crops. CIMMYT’s germplasm improvement programs rely heavily on the free international ...
Book
Multilineas: gran proporcion a salvo
(CIMMYT, 1976)
Las variedades multilineales -mezclas de líneas geneticamente relacionadas que portan diferentes genes de resistencia a las enfermedades- ofrecen a las agricultores una alternativa para domeñar el surgimiento de epifitias ...
Book
Multilines: safety in numbers
(CIMMYT, 1976)
Multiline varieties-mixtures of genetically related lines that have different genes for disease resistance-offer farmers a way to tame outbreaks of rust, thus stabilizing annual wheat yields. CIMMYT is producing large ...
Book
Wheat production and yields in Rawalpindi District of the Punjab from 1983 to 1986
(CIMMYT; PARC, 1989)
This study is based on surveys undertaken during wheat harvest in the rainfed (barani) areas of Rawalpindi district of Pakistan's Punjab from 1983 to 1986. Wheat yields were estimated by crop cut and related to farmers' ...
Book
Wheat varieties of South America: names, parentage, pedigrees, and origins
(CIMMYT, 1997)
Wheat varieties from South America have been used in many breeding programs, including CIMMYT’s Wheat Program. They have played a major role in widening the adaptation of new varieties and increasing their resistance and ...
Book
Studies of soilborne diseases and foliar blights of wheat at the national wheat research experiment station, Bhairahawa, Nepal
(CIMMYT, 1994)
The rice-wheat rotation is a recent phenomenon in South Asia and little is known concerning biotic and abiotic constraints to yield and the sustainability of the system. This Special Report represents an attempt to identify ...
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 ...