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Mostrando ítems 21-30 de 109
Book
Impacts of international wheat breeding research in the developing world, 1966-90
(CIMMYT, 1993)
1986-90. Overall, varieties originating directly from CIMMYT crosses or from NARS crosses using a CIMMYT parent occupy 40 million hectares of wheat in the developing world. It is estimated that adoption of MVs from 1977 ...
Book
Diagnostico de factores que limitan la productividad de trigo: principios de manejo del trigo
(CIMMYT, [1980?])
Este módulo de capacitación forma parte de una serie de "paquetes" didácticos basados en el desempeño que el CIMMYT ha creado para los programas de capacitación en maíz, trigo y economía. Al igual que los otros módulos de ...
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
Utilizing wild grass biodiversity in wheat improvement: 15 years of wide cross research at CIMMYT
(CIMMYT, 1995)
For the first time, this report brings together detailed accounts of new knowledge and techniques developed through wheat wide crosses research at CIMMYT since this work was initiated in 1979. Beginning with a summary of ...
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 ...
Book
Rice - wheat atlas of South Asia
(IRRI; CIMMYT; NARS, 1992)
The maps included in this publication have been designed to illustrate a number of the spatial changes that have occurred in South Asia's rice-wheat farming system over the past decades. The selection of maps presented is ...
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 ...