Results 101 to 110 of about 1,125 (111)
Some of the next articles are maybe not open access.
Interaction of potassium phosphonate fungicide in laterite soil.
Journal of environmental science & engineering, 2007Potassium phosphonate is a fungicide widely used to control Phytophthora fungi species in many crops all over the world. In this paper, an attempt has been made to study the interaction of potassium phosphonate with soil under varying pH and calcium level.
R Anil, Kumar +5 more
openaire +1 more source
Australasian Plant Pathology, 1998
Soil drenches and foliar sprays of potassium phosphonate protected glasshouse-grown Xanthorrhoea minor and X australis against root rot caused by Phytophthora cinnamomi. Three concentrations of potassium phosphonate (0.1, 1.0 and 5.0 mg/mL), applied by both methods, reduced the severity of root rot symptoms and increased plant survival rates.
Zahid Ali, David I. Guest
openaire +1 more source
Soil drenches and foliar sprays of potassium phosphonate protected glasshouse-grown Xanthorrhoea minor and X australis against root rot caused by Phytophthora cinnamomi. Three concentrations of potassium phosphonate (0.1, 1.0 and 5.0 mg/mL), applied by both methods, reduced the severity of root rot symptoms and increased plant survival rates.
Zahid Ali, David I. Guest
openaire +1 more source
Chemischer Informationsdienst, 1986
AbstractDiethylphosphit (I) kann ohne Lösungsmittel unter Verwendung von Kaliumfluorid an Aluminiumoxid zu zahlreichen Michael‐ Addukten wie (III), (V), (VII) oder (IX) addiert werden.
D. VILLEMIN, R. RACHA
openaire +1 more source
AbstractDiethylphosphit (I) kann ohne Lösungsmittel unter Verwendung von Kaliumfluorid an Aluminiumoxid zu zahlreichen Michael‐ Addukten wie (III), (V), (VII) oder (IX) addiert werden.
D. VILLEMIN, R. RACHA
openaire +1 more source
Chromatographia, 2005
Benzyl phosphonic acid, meta and para xylene diphosphonic acid and mesytilene triphosphonic acid were previously synthesized. Now we wanted to evaluate the ability of these compounds to complex selectively potassium and ammonium cations. We based our work on two different strategies.
Morin, C. +6 more
openaire +3 more sources
Benzyl phosphonic acid, meta and para xylene diphosphonic acid and mesytilene triphosphonic acid were previously synthesized. Now we wanted to evaluate the ability of these compounds to complex selectively potassium and ammonium cations. We based our work on two different strategies.
Morin, C. +6 more
openaire +3 more sources
Tetrahedron, 2018
Abstract We report herein a mild and efficient oxidative radical intermolecular phosphonotrifluoromethylthiolation of unactivated alkenes with good functional group tolerance. The reaction operates via a radical pathway involving oxidative generation of phosphonyl radicals and umpolung radical coupling of silver trifluoromethanethiolate.
Zhiwei Xiao +7 more
openaire +1 more source
Abstract We report herein a mild and efficient oxidative radical intermolecular phosphonotrifluoromethylthiolation of unactivated alkenes with good functional group tolerance. The reaction operates via a radical pathway involving oxidative generation of phosphonyl radicals and umpolung radical coupling of silver trifluoromethanethiolate.
Zhiwei Xiao +7 more
openaire +1 more source
Journal of Agricultural and Food Chemistry, 2007
Native American Pomo communities who live in the Northern Coastal range of California and consume acorns from tanoak trees as part of traditional diets are facing the potential loss of many culturally important trees to sudden oak death. Pomo and other Native American communities are reluctant to use the protective fungicide, potassium phosphonate, on ...
Katherine J, Meyers +2 more
openaire +2 more sources
Native American Pomo communities who live in the Northern Coastal range of California and consume acorns from tanoak trees as part of traditional diets are facing the potential loss of many culturally important trees to sudden oak death. Pomo and other Native American communities are reluctant to use the protective fungicide, potassium phosphonate, on ...
Katherine J, Meyers +2 more
openaire +2 more sources
Australasian Plant Pathology, 1990
The efficacy of phosphonic acid (phosphorous acid) (Foli-R-Fos 200, 20% wlv potassium phosphonate) to control root rots of subterranean clover and ornamental plant species caused by Phytophthora spp. was evaluated. The fungicide effectively protected subterranean clover plants (cv. Woogenellup) from severe tap-root rot caused by P.
Boer RF De, FC Greenhalgh
openaire +1 more source
The efficacy of phosphonic acid (phosphorous acid) (Foli-R-Fos 200, 20% wlv potassium phosphonate) to control root rots of subterranean clover and ornamental plant species caused by Phytophthora spp. was evaluated. The fungicide effectively protected subterranean clover plants (cv. Woogenellup) from severe tap-root rot caused by P.
Boer RF De, FC Greenhalgh
openaire +1 more source
Plant Pathology, 1994
Phosphonic acid was more effective in inhibiting the production of sporangia of Phytophthora clandestina in sterile pond water (ED 50 = 1·4 p.p.m.) than it was in inhibiting the growth of mycelium of the fungus on either corn meal agar (ED
F. C. GREENHALGH +4 more
openaire +1 more source
Phosphonic acid was more effective in inhibiting the production of sporangia of Phytophthora clandestina in sterile pond water (ED 50 = 1·4 p.p.m.) than it was in inhibiting the growth of mycelium of the fungus on either corn meal agar (ED
F. C. GREENHALGH +4 more
openaire +1 more source
Microporous and Mesoporous Materials, 2018
Abstract Three different basic zirconium potassium phosphate methyl and/or phenyl phosphonates of general formula Zr(PO3OK)2-(x+y)(PO3Me)x(PO3Ph)y namely ZrKP-Me, ZrKP-Ph and ZrKP-MePh have been prepared as amorphous solids. The catalytic activity of the solids was tested in the Knoevenagel condensation between several aldehydes with malononitrile ...
Ornelio Rosati +7 more
openaire +1 more source
Abstract Three different basic zirconium potassium phosphate methyl and/or phenyl phosphonates of general formula Zr(PO3OK)2-(x+y)(PO3Me)x(PO3Ph)y namely ZrKP-Me, ZrKP-Ph and ZrKP-MePh have been prepared as amorphous solids. The catalytic activity of the solids was tested in the Knoevenagel condensation between several aldehydes with malononitrile ...
Ornelio Rosati +7 more
openaire +1 more source
Oxidation of ,-Dialkyl Phosphonates with Potassium Selenocyanate
2009C. E. McKenna +2 more
openaire +1 more source