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Partial Resistance of Bell Pepper to Cucumber Mosaic Virus Movement within Plants: Field Evaluation of its Efficiency in Southern France
Author(s) -
oWomdim R.,
Palloix A.,
GébréSelassié K.,
Marchoux G.
Publication year - 1993
Publication title -
journal of phytopathology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.53
H-Index - 60
eISSN - 1439-0434
pISSN - 0931-1785
DOI - 10.1111/j.1439-0434.1993.tb01332.x
Subject(s) - biology , cucumber mosaic virus , pepper , horticulture , wonder , incidence (geometry) , chili pepper , virology , plant virus , virus , mathematics , psychology , social psychology , geometry
The spread of cucumber mosaic virus (CMV) was followed during three years in field plots of bell pepper varieties Yolo Wonder (susceptible) and Milord and Vania (partially resistant to CMV movement within plants). During the three test years, CMV spread was delayed 4 to 6 weeks in var. Milord and in var. Vania as compared to var. Yolo Wonder. Final CMV incidence and the apparent infection rate, the latter calculated from Van der Plank logistic analyses, were lower in var. Milord and in var. Vania than in var. Yolo Wonder. The resistance of var. Milord and var. Vania, expressed as a delay of spread and a reduced CMV incidence over the past three years, provides practical disease control.