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Comparaison de deux methodes ?estimation de ľinfection dejeunespeupliersparleMarssoninabrunnea(Ell. et Ev.) P. Magn.
Author(s) -
Joannes H.,
Pi J.
Publication year - 1982
Publication title -
european journal of forest pathology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.535
H-Index - 49
eISSN - 1439-0329
pISSN - 0300-1237
DOI - 10.1111/j.1439-0329.1982.tb01377.x
Subject(s) - biology , horticulture
Comparison of two methods for evaluating infection of young poplar leaves by Marssonina brunnea . Two methods for evaluating foliar infection by Marssonina brunnea have been compared on 783 twigs. They appear to be correlated. Distribution in infection classes can be coded and this allows a prediction of the number of spots per square centimeter. Application of the code to two other experiments is discussed.