Results 11 to 20 of about 1,434 (196)

Movimento do herbicida imazapyr no perfil de solos tropicais Imazapyr mobility in tropical soil profile [PDF]

open access: yesPlanta Daninha, 2008
Objetivou-se, no presente trabalho, avaliar a movimentação ascendente e descendente do imazapyr no perfil de três solos tropicais. Utilizaram-se colunas de PVC, formadas pela junção de seis anéis de 5 cm, perfazendo altura total de 30 cm, as quais foram ...
L.E. Firmino   +4 more
doaj   +6 more sources

THE ADSORPTION OF IMAZAPYR BY THREE SOIL TYPES IN INDONESIA [PDF]

open access: yesBiotropia: The Southeast Asian Journal of Tropical Biology, 1992
The adsorption of imazapyr in three Indonesian soil types was investigated with labelled 14C-imazapyr using Freundlich adsorption isotherm. The availability of adsorbed imazapyr to plants as affected by washing and liming was assayed using root ...
S. TJITROSEMITO, S. MATSUNAKA, M. NAKATA
doaj   +3 more sources

Soybean cultivar BR-16-AHAS tolerance to the herbicide imazapyr Tolerância da soja BR-16-AHAS ao herbicida imazapyr

open access: yesPesquisa Agropecuária Brasileira, 2008
The objective of this work was to evaluate the effect of the transgenic soybean BR-16-AHAS genetic constitution on the tolerance to the herbicide imazapyr. BR-16-AHAS was crossed with ten other genotypes. The experimental design was a complete randomized
Tammy Aparecida Manabe Kiihl   +1 more
doaj   +3 more sources

Sorption, degradation and leaching of imazapyr in volcanic soil in Mexico.

open access: yesTecnología y ciencias del agua, 2011
La lixiviación de plaguicidas a través del perfil del suelo puede provocar la contaminación de las aguas superficiales y subterráneas, además de reducir la productividad agrícola.
Elías Raymundo Raymundo   +3 more
doaj   +2 more sources

THE ADSORPTION OF IMAZAPYR BY THREE SOIL TYPES IN INDONESIA

open access: yesBIOTROPIA, 2011
The adsorption of imazapyr in three Indonesian soil types was investigated with labelled 14 C-imazapyr using Freundlich adsorption isotherm. The availability of adsorbed imazapyr to plants as affected by washing and liming was assayed using root elongation of rice seedlings. Red-Yellow Podsolic soil adsorbed imazapyr more than Andosol and sandy soil of
S. TJITROSEMITO, TJITROSEMITO, S.
openaire   +5 more sources

Adsorption and Desorption of Imazapyr by Soil

open access: yesJournal of Agricultural and Food Chemistry, 1997
The adsorption and desorption of imazapyr, (±)-2-[4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl]-3-pyridinecarboxylic acid, by six soils were studied. Adsorption isotherms conformed to the Freundlich equation. A multiple regression analysis indicated that Kf(ads) values were better correlated if cation exchange capacity and pH (r = 0 ...
PUSINO, Alba, Petretto S, Gessa C.
core   +3 more sources

Tolerance of eucalypt (Eucalyptus spp.) seedlings to imazapyr in nutritive solution Tolerância de mudas de eucalipto (Eucalyptus spp.) ao imazapyr, em solução nutritiva [PDF]

open access: yesPlanta Daninha, 2004
Imazapyr has presented excellent results in controlling coppices in stand reforms of eucalypt forests, despite differences in the efficacy levels. To find out whether these different responses are caused by the genetic variability of the cultivated ...
C.M.M. Silva   +3 more
doaj   +2 more sources

Respiração microbiana do solo sob doses de glyphosate e de imazapyr Microbial respiration under doses of glyphosate and imazapyr [PDF]

open access: yesPlanta Daninha, 1999
A degradação microbiana dos herbicidas no solo é influenciada por diversos fatores, dentre esses as características físicas e químicas do solo e da própria molécula, que agem continuamente determinando a sua magnitude. Em razão da grande variabilidade de
Adailson P. de Souza   +4 more
doaj   +2 more sources

Root exudation of imazapyr by eucalypt, cultivated in soil [PDF]

open access: yesPlanta Daninha, 2004
Imazapyr has been used to control stump sprouting in stand of Eucalyptus plantations, where herbicide is applied to the tree trunk before cutting. The herbicide is applied exclusively on the stump to be killed, but little is known about the final fate of the molecule. Imazapyr exudation via roots of eucalypt grown in soil as the substrate was evaluated
Silva, C.M.M.   +3 more
openaire   +5 more sources

Copper(II) Complexes of the Imidazolinone Herbicide Imazapyr

open access: yesJournal of Agricultural and Food Chemistry, 1996
The copper(II) complexes formed by the imidazolinone herbicide imazapyr [(±)-2-(4-isopropyl-4-methyl-5-oxo-2-imidazolin-2-yl)nicotinic acid] were studied in aqueous solution by potentiometric and spectroscopic techniques. Imazapyr acts as a chelating molecule and is effective over a wide pH range.
Duda AM   +4 more
openaire   +3 more sources

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