Results 181 to 190 of about 7,897 (203)
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Weed Science, 1970
Wheat (Triticum aestivum L., var. Selkirk) was most susceptible at the late tiller stage to 4-amino-3,5,6-trichloropicolinic acid (picloram) as determined from weekly applications in the field and the degree of injury increased with rate of picloram. Wheat injury from picloram was manifested by lower kernel yield, greater protein content in the kernels,
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Wheat (Triticum aestivum L., var. Selkirk) was most susceptible at the late tiller stage to 4-amino-3,5,6-trichloropicolinic acid (picloram) as determined from weekly applications in the field and the degree of injury increased with rate of picloram. Wheat injury from picloram was manifested by lower kernel yield, greater protein content in the kernels,
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Picloram movement from a Chaparral Watershed
Water Resources Research, 1973After a brush control treatment of soil‐applied pellets of picloram (9.3 lb acid equivalent per acre) on a 2.1‐acre side slope of a 46‐acre chaparral watershed in central Arizona, picloram was detected in the stream water at a gaging station at the outlet of the watershed. Maximum measured concentrations (350–370 ppb) occurred during the first 3 months
E. A. Davis, P. A. Ingebo
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Herbicidal Effects of Picloram on Bermudagrass
Weed Science, 1971The herbicide 4-amino-3,5,6-trichloropicolinic acid (picloram) was applied to several bermudagrasses (Cynodon spp.). Most of the grasses were susceptible to picloram; however, some were resistant and recovered within 16 months from the initial treatment. There were no detectable metabolites of 14C picloram in bermudagrass (C. dactylon (L.) Pers. ‘U-3’)
L. J. Reber +3 more
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Novel determinations of picloram by gas—liquid chromatography
Journal of Chromatography A, 1970Abstract The herbicide 4-amino-3,5,6-trichloropicolinic acid (Picloram, Tordon) can be analyzed by gas—liquid chromatography both in trimethylsilylated and decarboxylated forms. The latter compound, 4-amino-3,5,6-trichloropyridine, may be obtained either directly from soil samples or from suitable extracts.
R F, Moseman, W A, Aue
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A gas-chromatographic determination of residues of Picloram
The Analyst, 1967A method is described for the gas-chromatographic determination of Picloram herbicide in soils and plant material by using an electron-capture detector. The method described for soil has a sensitivity of 0·02 p.p.m. By the use of more rigorous clean-up procedures Picloram can be detected in other plant material at a level of 0·005 p.p.m., and ...
J S, Leahy, T, Taylor
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Concentration of Picloram in Runoff Water
Weed Science, 1972Runoff water was sampled over a 2-year period from an 8-ha site that had been treated and retreated with 4-amino-3,5,6-trichloropicolinic acid (picloram) at the rate of 1.12 kg/ha in the spring of 1969 and 1970. Runoff water was sampled adjacent to the plots and in two creek systems up to 2.0 km from the plots.
J. R. Baur, R. W. Bovey, M. G. Merkle
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PICLORAM RESIDUES AND CROP PRODUCTION
Canadian Journal of Plant Science, 1969not available
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Weed Science, 1988
Turbinella oak was sprayed with picloram-containing herbicides on 90 dates throughout 81 months. A mixture of triisopropanolamine salts of picloram and 2,4-D was compared to the potassium salt of picloram on 44 dates, and to a mixture of isooctyl ester of picloram and propylene glycol butyl ether esters of 2,4-D on 42 dates.
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Turbinella oak was sprayed with picloram-containing herbicides on 90 dates throughout 81 months. A mixture of triisopropanolamine salts of picloram and 2,4-D was compared to the potassium salt of picloram on 44 dates, and to a mixture of isooctyl ester of picloram and propylene glycol butyl ether esters of 2,4-D on 42 dates.
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Picloram photolytic decomposition
Journal of Agricultural and Food Chemistry, 1973A R, Mosier, W D, Guenzi
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