Slow-mildewing resistance to Peronosclerospora philippinensis (Weston) shaw in corn (Zea mays L.)

Abstract

Different sources of resistance genes, both indigenous and from other countries, were evaluated against Peronosclerospora philippinensis (Weston) Shaw using epidemic parameters. A slow-mildewing type of resistance, which appeared to be mainly due to delayed onset of both local and systemic types of infection, reduced infection rate and lowered areas-under-the-disease-progress curves. These parameters, all expressions of quantitative resistance, should be considered in selecting and breeding for a higher level of resistance to P. philippinensis in corn.

Source or Periodical Title

Philippine Agricultural Scientist

ISSN

317454

Page

151-158

Document Type

Article

Subject

Area-under-the-disease-progress curve, Downy mildew, Infection rate, Peronosclerospora philippinensis, Slow-mildewing resistance

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