education phd plant pathology university missouri 1982 ms plant pathology university missouri 1977 bs forestry university missouri 1973 aa biological sciences hutchinson community junior college kansas 1969 professional experience 1992present administrator plant pathology section florida department agriculture consumer services division plant industry head plant disease diagnostic services scientific staff 10 persons plus clerical staff director plant disease quarantine facility chair plant pathogen introduction committee 19871992 chief plant pathologist fdacsdpi 19801987 biological scientist iv plant pathologist fdacsdpi diagnosis ornamental vegetable fruit field crop native naturalized plant diseases investigations etiology management new insurgent plant diseases diagnosis evaluation control agents citrus canker eradication program specialization diagnosis abiotic fungal plant diseases 19791980 extension assistant university missouricolumbia plant disease clinic department plant pathology supervisor dr einar palm diagnosis management recommendations diseases ornamental tree fruit field crops assist foliar fungicide seed treatment field trials soybeans wheat 19791980 graduate research assistant time advisor dr merton brown research project doctoral dissertation effects foliar phosphate elicitor induced glyceollin phloem ringing soybeanglomus mosseae mycorrhizae lab instruction coordinator ornamental pathology field crop pathology forest pathology supervision dr thomas wyllie graduate research assistant 12 time advisor dr merton brown research project masters thesis growth responses ultrastructural studies vesiculararbuscular mycorrhizae produced glomus mosseae soybean lab instructor forest pathology 197577 1979 supervised dr merton brown instructor lab assistant electron microscope techniques 197679 supervised dr merton brown teaching experience 1971 present taught classes presented seminars various aspects dendrology forest pathology ornamental plant pathology electron microscopy mycorrhizae regulatory plant pathology biotic abiotic plant disease diagnosis plant disease survey tactics