Titlebook: Durability of Disease Resistance; Th. Jacobs,J. E. Parlevliet Book 1993 Springer Science+Business Media Dordrecht 1993 Pathogen.plant.plan

欲望

genuine

Aryan TaheriMonfared,Chunming Rongwn to be race-specific, but it has not been tested extensively. Cytoplasmic susceptibility reduces effectiveness of maize resistance to race T of .. Polygenes for resistance to northern leaf blight occur on 12 of 20 chromosome arms of maize. There is evidence of some specificity in this polygenic re

DENT

Gnrh670

Radhia Khdhir,Kais Mnif,Lotfi Kammoun the world. First of all R. Johnson from England defined durable resistance for rust diseases in self-pollinating cereals with special reference to stripe rust. This definition is based on the recognition of this type of resistance rather than giving an explanation for it. In the north-western part

使长胖

PRISE

放弃

无能力

nugatory

The Partial Past. They usually boil down to positive mass selection, with some partial resistance involved. Crop and cultivar mixtures provided stability. R-gene resistance was found, promoted and exploited. All noses pointed to the same direction. High external input agriculture led to failures of monogenic resist

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