Publications
271 results found
APPEL DN, MAGGIO RC, NELSON EL, et al., 1987, A SYSTEM FOR EPIDEMIOLOGICAL ANALYSIS OF OAK WILT, PHYTOPATHOLOGY, Vol: 77, Pages: 1717-1717, ISSN: 0031-949X
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- Citations: 1
CHUANG TY, JEGER MJ, 1987, PREDICTING THE RATE OF DEVELOPMENT OF BLACK SIGATOKA (MYCOSPHAERELLA-FIJIENSIS VAR DIFFORMIS) DISEASE IN SOUTHERN TAIWAN, PHYTOPATHOLOGY, Vol: 77, Pages: 1542-1547, ISSN: 0031-949X
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- Citations: 18
CHUANG TY, JEGER MJ, 1987, RELATIONSHIP BETWEEN INCIDENCE AND SEVERITY OF BANANA LEAF-SPOT IN TAIWAN, PHYTOPATHOLOGY, Vol: 77, Pages: 1537-1541, ISSN: 0031-949X
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- Citations: 13
MARTYN RD, STARR JL, JEGER MJ, 1987, THE FUSARIUM ROOT-KNOT DISEASE COMPLEX IN COTTON - EFFECTS ON PLANT STUNTING AND MORTALITY, JOURNAL OF NEMATOLOGY, Vol: 19, Pages: 541-541, ISSN: 0022-300X
JEGER MJ, 1987, THE INFLUENCE OF ROOT-GROWTH AND INOCULUM DENSITY ON THE DYNAMICS OF ROOT DISEASE EPIDEMICS - THEORETICAL-ANALYSIS, NEW PHYTOLOGIST, Vol: 107, Pages: 459-478, ISSN: 0028-646X
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- Citations: 24
WHEELER TA, KENERLEY CM, JEGER MJ, et al., 1987, EFFECT OF QUADRAT AND CORE SIZES ON DETERMINING THE SPATIAL PATTERN OF CRICONEMELLA-SPHAEROCEPHALUS, JOURNAL OF NEMATOLOGY, Vol: 19, Pages: 413-419, ISSN: 0022-300X
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- Citations: 6
MITCHELL JK, JEGER MJ, TABER RA, 1987, THE EFFECT OF TEMPERATURE ON COLONIZATION OF CERCOSPORIDIUM-PERSONATUM LEAFSPOT OF PEANUTS BY THE HYPERPARASITE DICYMA-PULVINATA, AGRICULTURE ECOSYSTEMS & ENVIRONMENT, Vol: 18, Pages: 325-331, ISSN: 0167-8809
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- Citations: 6
FORBES GA, JEGER MJ, 1987, FACTORS AFFECTING THE ESTIMATION OF DISEASE INTENSITY IN SIMULATED PLANT STRUCTURES, ZEITSCHRIFT FUR PFLANZENKRANKHEITEN UND PFLANZENSCHUTZ-JOURNAL OF PLANT DISEASES AND PROTECTION, Vol: 94, Pages: 113-120, ISSN: 0340-8159
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- Citations: 41
BRUTON BD, JEGER MJ, REUVENI R, 1987, MACROPHOMINA-PHASEOLINA INFECTION AND VINE DECLINE IN CANTALOUPE IN RELATION TO PLANTING DATE, SOIL ENVIRONMENT, AND PLANT MATURATION, PLANT DISEASE, Vol: 71, Pages: 259-263, ISSN: 0191-2917
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- Citations: 23
JONES RK, BELMAR SB, JEGER MJ, 1987, EVALUATION OF BENOMYL AND PROPICONAZOLE FOR CONTROLLING SHEATH BLIGHT OF RICE CAUSED BY RHIZOCTONIA-SOLANI, PLANT DISEASE, Vol: 71, Pages: 222-225, ISSN: 0191-2917
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- Citations: 16
SCHUH W, JEGER MJ, FREDERIKSEN RA, 1987, THE INFLUENCE OF SOIL-TEMPERATURE, SOIL-MOISTURE, SOIL TEXTURE, AND INOCULUM DENSITY ON THE INCIDENCE OF SORGHUM DOWNY MILDEW, PHYTOPATHOLOGY, Vol: 77, Pages: 125-128, ISSN: 0031-949X
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- Citations: 17
SCHUH W, JEGER MJ, FREDERIKSEN RA, 1987, THE INFLUENCE OF SOIL ENVIRONMENT ON THE INCIDENCE OF SORGHUM DOWNY MILDEW - A PRINCIPAL COMPONENT ANALYSIS, PHYTOPATHOLOGY, Vol: 77, Pages: 128-131, ISSN: 0031-949X
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- Citations: 4
Jeger MJ, 1987, Meteorology and plant disease, Agrometeorology. Proc. conference, Cesena, 1987, Pages: 255-276
A specifically epidemiological approach is needed in which the effects of weather on the component phases of epidemics, such as infection, colonization, reproduction and dissemination are analysed. For foliar diseases a pressing need is to elucidate the role of canopy wetness in epidemic development; for root diseases techniques are required to allow monitoring of pathogen activity in relation to soil environment. For both types of disease a major need is field experiments designed to allow evaluation of whole epidemics in relation to weather. Special cases arise for diseases in protected environments: either glasshouses or stores. Meteorology offers the opportunity for better disease management through the development of disease forecasting schemes, better timing of spray treatments, and agroclimatic zoning. Disease forecasting schemes must satisfy certain stringent criteria if they are to be justified and may require monitoring of weather, host and inoculum. At a certain scale of resolution, forecasting schemes based on weather can lead to the designation of agroclimatic zones for plant diseases. -from Author
BUTT DJ, JEGER MJ, 1986, COMPONENTS OF SPORE PRODUCTION IN APPLE POWDERY MILDEW (PODOSPHAERA-LEUCOTRICHA), PLANT PATHOLOGY, Vol: 35, Pages: 491-497, ISSN: 0032-0862
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- Citations: 7
JEGER MJ, LYDA SD, 1986, EPIDEMICS OF PHYMATOTRICHUM ROOT-ROT (PHYMATOTRICHUM-OMNIVORUM) IN COTTON - ENVIRONMENTAL CORRELATES OF FINAL INCIDENCE AND FORECASTING CRITERIA, ANNALS OF APPLIED BIOLOGY, Vol: 109, Pages: 523-534, ISSN: 0003-4746
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- Citations: 6
JEGER MJ, BUTT DJ, SWAIT AAJ, 1986, COMPONENTS OF RESISTANCE OF APPLE TO POWDERY MILDEW (PODOSPHAERA-LEUCOTRICHA), PLANT PATHOLOGY, Vol: 35, Pages: 477-490, ISSN: 0032-0862
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- Citations: 13
JEGER MJ, BUTT DJ, 1986, EPIDEMICS OF APPLE POWDERY MILDEW (PODOSPHAERA-LEUCOTRICHA) IN A MIXED CULTIVAR ORCHARD, PLANT PATHOLOGY, Vol: 35, Pages: 498-505, ISSN: 0032-0862
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- Citations: 9
STARR JL, JEGER MJ, 1986, EGG VIABILITY AND WINTER SURVIVAL OF MELOIDOGYNE SPP, JOURNAL OF NEMATOLOGY, Vol: 18, Pages: 646-646, ISSN: 0022-300X
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- Citations: 1
DIOURTE M, STACK JP, JEGER MJ, 1986, VARIATION IN MACROPHOMINA-PHASEOLINA (TASSI) GOLD IN DIFFERENT HOSTS AND CONDITIONS OF WATER-STRESS, PHYTOPATHOLOGY, Vol: 76, Pages: 1124-1124, ISSN: 0031-949X
WALL GC, JEGER MJ, FREDERIKSEN RA, 1986, RELATIONSHIP OF YIELD LOSS WITH FOLIAR DISEASES OF SORGHUM LAND RACES UNDER SUBSISTENCE FARMING IN HONDURAS, PHYTOPATHOLOGY, Vol: 76, Pages: 1142-1142, ISSN: 0031-949X
STARR JL, JEGER MJ, MARTYN RD, et al., 1986, NEMATODE REPRODUCTION AND COTTON YIELD RESPONSE IN PLOTS INFESTED WITH MELOIDOGYNE-INCOGNITA AND FUSARIUM-OXYSPORUM F SP VASINFECTUM, PHYTOPATHOLOGY, Vol: 76, Pages: 1107-1107, ISSN: 0031-949X
MARTYN RD, JEGER MJ, STARR JL, et al., 1986, EFFECTS OF FUSARIUM-OXYSPORUM F SP VASINFECTUM AND MELOIDOGYNE-INCOGNITA ON PLANT MORTALITY IN COTTON, PHYTOPATHOLOGY, Vol: 76, Pages: 1107-1107, ISSN: 0031-949X
JEGER MJ, 1986, ASYMPTOTIC-BEHAVIOR AND THRESHOLD CRITERIA IN MODEL-PLANT DISEASE EPIDEMICS, PLANT PATHOLOGY, Vol: 35, Pages: 355-361, ISSN: 0032-0862
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- Citations: 35
SCHUH W, FREDERIKSEN RA, JEGER MJ, 1986, ANALYSIS OF SPATIAL PATTERNS IN SORGHUM DOWNY MILDEW WITH MORISITAS INDEX OF DISPERSION, PHYTOPATHOLOGY, Vol: 76, Pages: 446-450, ISSN: 0031-949X
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- Citations: 27
JEGER MJ, ALSTON FH, 1986, RESISTANCE IN APPLE TO SHOOT INFECTION BY VENTURIA-INAEQUALIS, ANNALS OF APPLIED BIOLOGY, Vol: 108, Pages: 387-+, ISSN: 0003-4746
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- Citations: 2
Starr JL, Jeger MJ, 1985, Dynamics of Winter Survival of Eggs and Juveniles of Meloidogyne incognita and M. arenaria., J Nematol, Vol: 17, Pages: 252-256, ISSN: 0022-300X
Winter survival dynamics of Meloidogyne incognita and M. arenaria were studied at nine sites in Texas for 2 years. Population survival from October until April was variable among sites, ranging from 0.1% to 33%. A negative correlation (r = -0.86, P = 0.01) was observed between initial population, densities in October and survival percentage until the following April. Total population (eggs + J2) and population of eggs declined continuously during the survival period. Populations of juveniles (J2) increased initially, then declined. The total populations were 82% eggs in October; hatch of these eggs was believed responsible for the observed increase in the population density of J2. Viable eggs were recovered from the soil until March. Eggs are as important as J2 in winter survival of M. incognita and M. arenaria in Texas. Survival data were analyzed by a simple mathematical model.
JEGER MJ, GRIFFITHS E, JONES DG, 1985, THE EFFECTS OF POST-INOCULATION WET AND DRY PERIODS, AND INOCULUM CONCENTRATION, ON LESION NUMBERS OF SEPTORIA-NODORUM IN SPRING WHEAT SEEDLINGS, ANNALS OF APPLIED BIOLOGY, Vol: 106, Pages: 55-63, ISSN: 0003-4746
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- Citations: 5
JEGER MJ, KENERLEY CM, GERIK TJ, 1985, SPATIAL DYNAMICS OF PHYMATOTRICHUM ROOT-ROT IN COTTON, PHYTOPATHOLOGY, Vol: 75, Pages: 500-500, ISSN: 0031-949X
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- Citations: 2
MILLER ME, JEGER MJ, COX EL, 1985, EFFECT OF FUNGICIDES ON THE INCIDENCE AND SEVERITY OF DOWNY MILDEW ON CANTALOUPE, PHYTOPATHOLOGY, Vol: 75, Pages: 1287-1287, ISSN: 0031-949X
JEGER MJ, STARR JL, 1985, A THEORETICAL-MODEL OF THE WINTER SURVIVAL DYNAMICS OF MELOIDOGYNE SPP EGGS AND JUVENILES, JOURNAL OF NEMATOLOGY, Vol: 17, Pages: 257-260, ISSN: 0022-300X
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- Citations: 9
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