Linear models applied to variation in the rate of coffee rust development . Phytopathologische Zeitschrift 101 ( 1 ) : 22-30 . 1981 . The method developed assesses the intensity of infection by Hemileia vastatrix on individually mapped ...

Permanence of free water on coffee leaves . Expl . Agric . 23 ( 2 ) : 213-220 . Holguín , F. 1985. ... Linear models applied to variation in the rate of coffee rust development . Phytopathol . Z. 101 : 22-30 . 1989a . Introduction .