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MILDEW SUSCEPTIBILITY IN PEAR PROGENIES

Article number

224_27

Pages

223 – 228

Language

Abstract

An investigation was carried out in 1986 and 1987 on the susceptibility of pear progenies to powdery mildew /Podosphaera leucotricha/. ‘Conference and ‘Colorée de Juillet’ gave progenies with high mildew resistance, while ‘Herzogin Elsa’ and the Balsgârd selection BP 1043 /’Johantorp’ x ‘Doyenné du Comice’/ gave many susceptible progenies.
Infection was almost equivalent in the greenhouse and in the field, and the infection rate decreased with increasing age.
Infection was higher at a windy site with sandy soil than at a more calm site with rather heavy loam.

Publication

Authors

S.H. Hjeltnes

Keywords

Full text

https://doi.org/10.17660/ActaHortic.1988.224.27

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