FURTHER STUDIES ON THE PAST OCCURENCE AND GEOGRAPHICAL DISTRIBUTION OF ISOLATES OF RACE T OF HELMINTHOSPORIUM MAYDIS = NOUVELLES ETUDES SUR L'APPARITION DANS LE PASSE ET LA REPARTITION GEOGRAPHIQUE DES ISOLEMENTS DE RACE T DE H.M.NELSON RR.1973; PLANT DIS. REPORTER; U.S.A.; DA. 1973; VOL. 57; NO 1; PP. 18-19; BIBL. 3 REF.Serial Issue

SOME THOUGHTS ON THE CURRENT AND FUTURE HEALTH OF PHYTOPATHOLOGY AND THE AMERICAN PHYTOPATHOLOCICAL SOCIETYNELSON RR.1980; PHYTOPATHOLOGY; USA; DA. 1980; VOL. 70; NO 5; PP. 364-365Article

THE EFFECT OF HOST RESISTANCE ON RELATIVE PARASITIC FITNESS OF HELMINTHOSPORIUM MAYDIS RACE TROYER MH; NELSON RR.1981; PHYTOPATHOLOGY; ISSN 0031-949X; USA; DA. 1981; VOL. 71; NO 3; PP. 351-354; BIBL. 9 REF.Article

GENETIC INHIBITION OF ASCUS FORMATION IN COCHLIOBOLUS CARBONUM.DALMACIO SC; NELSON RR.1976; PHYTOPATHOLOGY; U.S.A.; DA. 1976; VOL. 66; NO 11; PP. 1354-1355; BIBL. 5 REF.Article

INTER-ISOLATE HETEROKARYOSIS IN PYRICULARIA ORYZAEJAVAD FATEMI; NELSON RR.1978; PHYTOPATHOLOGY; USA; DA. 1978; VOL. 68; NO 12; PP. 1791-1794; BIBL. 13 REF.Article

INFLUENCE OF SOME CLIMATIC FACTORS ON SPORULATION BY AN ISOLATE OF RACE T OF HELMINTHOSPORIUM MAYDIS ON A SUSCEPTIBLE MALE-STERILE CORN HYBRID = INFLUENCE DE CERTAINS FACTEURS CLIMATIQUES SUR LA FORMATION DE SPORES PAR UN ISOLAT DE RACE T DE H.M., CHEZ UN MAIS HYBRIDE MALE STERILE SENSIBLENELSON RR; TUNG G.1973; PLANT DIS. REPORTER; U.S.A.; DA. 1973; VOL. 57; NO 4; PP. 304-307; BIBL. 3 REF.Serial Issue

POWDER INDUCTION SYSTEM FOR FIELD SPRAYERS = SYSTEME D'INCORPORATION DE POUDRE POUR LES PULVERISATEURSNELSON RR; ROTH RL.1973; TRANS. A.S.A.E.; U.S.A.; DA. 1973; VOL. 16; NO 1; PP. 44-47; BIBL. 5 REF.Serial Issue

THE INFLUENCE OF CLIMATIC FACTORS ON COLONIZATION OF A SUSCEPTIBLE CORN HYBRID BY AN ISOLATE OF RACE T OF HELMINTHOSPORUM MAYDIS = INFLUENCE DES FACTEURS CLIMATIQUES SUR LA COLONISATION PAR UN INOCULUM DE LA RACE T D'H.M., D'UNE VARIETE SENSIBLE DE MAIS HYBRIDENELSON RR; TUNG G.1973; PLANT DIS. REPORTER; U.S.A.; DA. 1973; VOL. 57; NO 2; PP. 145-148; BIBL. 4 REF.Serial Issue

IN SEARCH OF USEFUL THEORY OF INNOVATION.NELSON RR; WINTER SG.1977; RES. POLICY; NETHERL.; DA. 1977; VOL. 6; NO 1; PP. 36-76; BIBL. 2 P. 1/2Article

INTRA-ISOLATE HETEROKARYOSIS IN PYRICULARIA ORYZAE.FATEMI J; NELSON RR.1977; PHOTOPATHOLOGY; U.S.A.; DA. 1977; VOL. 67; NO 12; PP. 1523-1525; BIBL. 16 REF.Article

ECOLOGICAL RACES OF HELMINTHOSPORIUM MAYDIS RACE T.HILL JP; NELSON RR.1976; PHYTOPATHOLOGY; U.S.A.; DA. 1976; VOL. 66; NO 7; PP. 873-876; BIBL. 8 REF.Article

ISOLATION AND IDENTIFICATION OF VOLATILES FROM CATAWBA WINENELSON RR; ACREE TE; BUTTS RM et al.1978; J. AGRIC. FOOD CHEM.; USA; DA. 1978; VOL. 26; NO 5; PP. 1188-1190; BIBL. 15 REF.Article

RELIABILITY OF APPARENT INFECTION RATES IN EPIDEMIOLOGICAL RESEARCHGREGORY LV; AYERS JE; NELSON RR et al.1981; PHYTOPATHOL. Z.; ISSN 0031-9481; DEU; DA. 1981; VOL. 100; NO 2; PP. 135-142; ABS. GER; BIBL. 8 REF.Article

THE OCCURRENCE OF DUAL COMPATIBILITY IN COCHLIOBOLUS SPICIFER.NELSON RR; WEBSTER RK; MACKENZIE DR et al.1977; MYCOLOGIA; E.U.; DA. 1977; VOL. 69; NO 1; PP. 173-178; BIBL. 51 REF.Article

CONTROLLED-ENVIRONMENT STUDIES OF THE EPIDEMIOLOGY OF YELLOW LEAF BLIGHT OF CORN.CASTOR LL; AYERS JE; NELSON RR et al.1977; PHYTOPATHOLOGY; U.S.A.; DA. 1977; VOL. 67; NO 1; PP. 85-90; BIBL. 14 REF.Article

A STOCHASTIC MODEL OF HORIZONTAL RESISTANCE BASED ON FREQUENCY DISTRIBUTIONSROUSE DI; NELSON RR; MACKENZIE DR et al.1980; PHYTOPATHOLOGY; ISSN 0031-949X; USA; DA. 1980; VOL. 70; NO 10; PP. 951-954; BIBL. 9 REF.Article

THE INFLUENCE OF CULTIVAR AND LOCATION ON YIELD LOSS IN CORN DUE TO SOUTHERN CORN LEAF BLIGHTGREGORY LV; AYERS JE; NELSON RR et al.1979; PLANT DIS. REPORTER; USA; DA. 1979; VOL. 63; NO 10; PP. 891-895; BIBL. 7 REF.Article

THE EFFECT OF THIRAM CONCENTRATION ON THE SPORE GERMINATION OF ISOLATES OF COCHLIOBOLUS CARBONUMMACKENZIE DR; COLE H; NELSON RR et al.1974; MYCOPATHOL. MYCOL. APPL.; PAYS-BAS; DA. 1974; VOL. 54; NO 1; PP. 85-90; BIBL. 6 REF.Article

DETERMINATION OF GEOSMIN IN BEET JUICE BY GAS CHROMATOGRAPHY.TYLER LD; ACREE TE; NELSON RR et al.1978; J. AGRIC. FOOD CHEM.; USA; DA. 1978; VOL. 26; NO 3; PP. 774-775; BIBL. 9 REF.Article

GAS-LIQUID CHROMATOGRAPHIC DETERMINATION OF METHYL ANTHRANILATE IN WINE.NELSON RR; ACREE TE; LEE CY et al.1976; J. ASS. OFF. ANAL. CHEMISTS; U.S.A.; DA. 1976; VOL. 59; NO 6; PP. 1387-1389; BIBL. 14 REF.Article

SNIFFER TO DETERMINE THE ODOR OF GAS CHROMATOGRAPHIC EFFLUENTS.ACREE TE; BUTTS RM; NELSON RR et al.1976; ANAL. CHEM.; U.S.A.; DA. 1976; VOL. 48; NO 12; PP. 1821-1822; BIBL. 3 REF.Article

CREATINE KINASE ISOENZYME ACTIVITY FOLLOWING CARDIAC CATHETERIZATION AND EXERCISE STRESS TESTING.STEELE BW; GOBEL FL; NELSON RR et al.1978; CHEST; U.S.A.; DA. 1978; VOL. 73; NO 4; PP. 489-496; BIBL. 30 REF.Article

THE RATE-PRESSURE PRODUCT AS AN INDEX OF MYOCARDIAL OXYGEN CONSUMPTION DURING EXERCISE IN PATIENTS WITH ANGINA PECTORIS.GOBEL FL; NORDSTROM LA; NELSON RR et al.1978; CIRCULATION; U.S.A.; DA. 1978; VOL. 57; NO 3; PP. 549-556; BIBL. 50 REF.Article

SOME COMPONENTS OF SLOW-BLASTING RESISTANCE IN RICEVILLAREAL RI; NELSON RR; MACKENSIE DR et al.1981; PHYTOPATHOLOGY; ISSN 0031-949X; USA; DA. 1981; VOL. 71; NO 6; PP. 608-611; BIBL. 14 REF.Article

STUDIES ON THE ABILITY OF PREVIOUS U.S. ISOLATES OF RACE T OF HELMINTHOSPORIUM MAYDIS TO INFECT STALKS, HUSKS, AND EARS OF A SUSCEPTIBLE CORN HYBRID IN MALE STERILE CYTOPLASM = ETUDE DE LA CAPACITE POUR DES ISOLEMENTS ANTERIEURS AMERICAINS DE LA RACE T D'H.M., A INFECTER LES TIGES, LES ENVELOPPES ET LES EPIS D'UN HYBRIDE DE MAIS SENSIBLE A CYTOPLASME MALE STERILENELSON RR; AYERS JE; BLANCO M et al.1973; PLANT DIS. REPORTER; U.S.A.; DA. 1973; VOL. 57; NO 3; PP. 253-254; BIBL. 4 REF.Serial Issue