CHARACTERIZATION OF THE RESPIRATORY METABOLISM OF THE CHAROPHYTE NITELLA ACUMINATA. I. CONSIDERATIONS OF INJURY, ONTOGENETIC STATUS, AND PRESENCE OF POLYPHENOL AND GLYCOLATE OXIDIZING ENZYMESYOPP JH.1975; PHYCOLOGIA; U.S.A.; DA. 1975; VOL. 14; NO 4; PP. 299-307; BIBL. 1 P. 1/2Article

THE ROLE OF LIGHT AND GROWTH REGULATORS IN THE OPENING OF THE DENTARIA PETIOLAR HOOK = ROLE DE LA LUMIERE ET DES SUBSTANCES DE CROISSANCE DANS L'OUVERTURE DU CROCHET PETIOLAIRE DE D.YOPP JH.1973; PLANT PHYSIOL.; U.S.A.; DA. 1973; VOL. 57; NO 1; PP. 714-717; BIBL. 16 REF.Serial Issue

CELL WALL CONSTITUENTS OF APHANOTHECE HALOPHYTICA (CYANOPHYTA)JONES JH; YOPP JH.1979; J. PHYCOL.; USA; DA. 1979; VOL. 15; NO 1; PP. 62-66; BIBL. 31 REF.Article

GALACTOSE-INDUCED ETHYLENE EVOLUTION IN MUNG BEAN HYPOCOTYLS: A POSSIBLE MECHANISM FOR GALACTOSE RETARDATION OF PLANT GROWTH.COLCLASURE GC; YOPP JH.1976; PHYSIOL. PLANTARUM; DANEM.; DA. 1976; VOL. 37; NO 4; PP. 298-302; BIBL. 34 REF.Article

COMPARATIVE UTILIZATION OF INORGANIC AND ORGANIC COMPOUNDS AS SOLE NITROGEN SOURCES BY THE SUBMERGENT DUCKWEED, LEMNA TRISULCA L.HOLST RW; YOPP JH.1979; BIOL. PLANTARUM; CSK; DA. 1979; VOL. 21; NO 4; PP. 245-252; BIBL. 15 REF.Article

ENVIRONMENTAL REGULATION OF NITROGENASE AND NITRATE REDUCTASE AS SYSTEMS OF NITROGEN ASSIMILATION IN THE AZOLLA MEXICANA-ANABAENA AZOLLAE SYMBIOSISHOLST RW; YOPP JH.1979; AQUAT. BOT.; NLD; DA. 1979; VOL. 7; NO 4; PP. 369-384; BIBL. 2 P.Article

STUDIES OF THE AZOLLA-ANABAENA SYMBIOSIS USING AZOLLA MEXICANA. I: GROWTH IN NATURE AND LABORATORYHOLST RW; YOPP JH.1979; AMER. FERN J.; USA; DA. 1979; VOL. 69; NO 1; PP. 17-25; BIBL. 18 REF.Article

BERYLLIUM UPTAKE BY EXCISED BARLEY ROOTSHOLST RW; SCHMID WE; YOPP JH et al.1980; PLANT CELL PHYSIOL.; ISSN 0032-0781; JPN; DA. 1980; VOL. 21; NO 5; PP. 737-743; BIBL. 15 REF.Article

EFFECTS OF ANTIBIOTICS AND ULTRAVIOLET RADIATION ON THE HALOPHILIC BLUE-GREEN ALGA, APHANOTHECE HALOPHYTICAYOPP JH; ALBRIGHT G; MILLER DM et al.1979; BOT. MAR.; DEU; DA. 1979; VOL. 22; NO 5; PP. 267-272; BIBL. 24 REF.Article

PHYSICO-CHEMICAL PARAMETERS GOVERNING THE GROWTH OF APHANOTHECE HALOPHYTICA (CHROOCOCCALES) IM HYPERSALINE MEDIA.TINDALL DR; YOPP JH; MILLER DM et al.1978; PHYCOLOGIA; USA; DA. 1978; VOL. 17; NO 2; PP. 179-185; BIBL. 22 REF.Article

EFFECTS OF BRASSIN-COMPLEX ON AUXIN AND GIBBERELLIN MEDIATED EVENTS IN THE MORPHOGENESIS OF THE ETIOLATED HEAN HYPOCOTYLYOPP JH; COLCLASURE GC; NAGABHUSHANAM MANDAVA et al.1979; PHYSIOL. PLANTARUM; DNK; DA. 1979; VOL. 46; NO 3; PP. 247-254; BIBL. 35 REF.Article

WHAT COULD WATER REGULATIONS COST.COOK EE; ROGERS L; YOPP JH et al.1979; ENVIRONMENT. SCI. TECHNOL.; USA; DA. 1979; VOL. 13; NO 6; PP. 656-660; BIBL. 3 REF.Article

EFFECT OF SEVERAL PESTICIDES ON THE GROWTH AND NITROGEN ASSIMILATION OF THE AZOLLA-ANABAENA SYMBIOSISHOLST RW; YOPP JH; KAPUSTA G et al.1982; WEED SCI.; USA; DA. 1982; VOL. 30; NO 1; PP. 54-58; BIBL. 30 REF.Article

BRASSINOLIDE, A GROWTH-PROMOTING STEROIDAL LACTONE. I: ACTIVITY IN SELECTED AUXIN BIOASSAYSYOPP JH; BHUSHAN MANDAVA N; SASSES JM et al.1981; PHYSIOL. PLANT.; ISSN 0031-9317; DNK; DA. 1981; VOL. 53; NO 4; PP. 445-452; BIBL. 45 REF.Article

USE OF HYDROPONICS TO MAINTAIN QUALITY OF RECIRCULATED WATER IN A FISH CULTURE SYSTEMLEWIS WM; YOPP JH; SCHRAMM HL JR et al.1978; TRANS. AMER. FISH. SOC.; USA; DA. 1978; VOL. 107; NO 1; PP. 92-99; BIBL. 13 REF.Article