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The influence of powdery mildew ( Erysiphe graminis ) infection on the development of four spring wheats
Author(s) -
LUPTON F. G. H.,
SUTHERLAND JENNIFER
Publication year - 1973
Publication title -
annals of applied biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.677
H-Index - 80
eISSN - 1744-7348
pISSN - 0003-4746
DOI - 10.1111/j.1744-7348.1973.tb07720.x
Subject(s) - biology , powdery mildew , erysiphe graminis , cultivar , mildew , agronomy , flag (linear algebra) , spring (device) , botany , horticulture , poaceae , hordeum vulgare , mechanical engineering , mathematics , pure mathematics , algebra over a field , engineering
SUMMARY Infection with Erysiphe graminis reduced the weight of the roots and aerial parts of four wheat cultivars of contrasting susceptibility at the three‐leaf stage. It had little effect on the more resistant varieties at the five‐leaf and flag‐leaf stages. When 14 C was supplied to the youngest fully expanded leaves at successive stages of growth, the proportion recovered from the roots, and that translocated to other tillers when present, was reduced, especially in the more susceptible cultivars.