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Adaptation in Plant Breeding
Plant adaptation is a fundamental process in plant breeding. It was the first criterion in the initial domestication of plants thousands of years ago. Adaptedness is generally a quantitative complex feature of the plant, involving many traits, many of which are quantitative. Adaptation to stresses like cold, drought or diseases are among the most central problems in a world grappling with global food security. Modern plant breeding, based on mendelian genetics, has made plant improvement more effective and more precise and selective. Molecular genetics and genetic engineering has considerably increased this selectivity down to single genes affecting single traits. The time has come when plan...
Helminthosporium blights of wheat: Spot blotch and Tan spot
Helminthosporium diseases of wheat: summary of group discussions and recommendations; Evolution of the nomenclature used for Helminthosporium spp. causing leaf blight of wheat; Crop management and breeding for control of Pyrenophora tritici-repentis causing yellow spot of wheat in Australia; Constraints on the integrated management of spot blotch of wheat; Components of the spot disease cycle; Leaf blight diseases and associated soilborne fungal pathogens of wheat in South and Southeast Asia; Foliar blights of wheat in India: germplasm improvement and future challenges for sustainable, high yelding wheat production; Distribution of pathogens causing foliar blight of wheat in India and neighb...
General Report
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IRRI 1995-1996
For the 1995-96 Corporate Report, "listening to our farmer partners"was chosen as the theme. Many of the personalized accounts of the farmers presented in the Report convey the role of farmers as co-researchers - rather than only as recipients of research outcomes. Rice farmers in the developing world traditionally conduct experiments with their rice crops. Their experiments, and the evaluation of the outcomes, have had to be as relevant and creative as any trials carried out by scientists, as the economic and even physical survival of the farmers and their families has been totally dependent on such activities. This year's Report features some of the work that IRRI scientists and all those who support them continue to do in collaboration with numerous partners in the developing and developed world.
IRRI 1997-1998
Sharing the responsibility; Using biodiversity to manage pests; Sharing the seeds; Beyond rice: wide crosses broaden the gene pool; Teaching people to save seeds; Delivering diversity to the field; Partners in rainfed rice breeding; Cultural diversity through genetic diversity; The geometry of rice; Program highlights; Irrigated rice; Rainfed lowland rice; Upland rice; Flood-prone rice; Cross-ecosystems research; Conserving and promoting genetic diversity; Information and knowledge exchange; Training; Strengthening international partnerships; Finance and administration; IRRI board of trustees, 1998; Internationally and nationally recruited staff, 1997; Institutions collaborating with IRRI; Consultative Group on International Agricultural Research.
