The herbicides
alachlor, acetochlor, butachlor, pretilachlor, metolachlor, dimethenamid, propachlor, napropamid,propanil, atrazine, and metribuzin have been widely used in different crops (Zhang, 2002).
Effect of chemical synergy and larval Stage on the toxicity of atrazine and
alachlor to amphibian larvae.
Herbicides included Atrazin (WP80, P80),
Alachlor (EC48), Foramsulfuron (OD 22.5) and Nicosulfuron (SC4) by the balance (1 [Kgha.sup.-1]), (4 [Lha.sup.-1]), (2.5L/ha) and (2 [Lha.sup.-1]) respectively.
Realizou-se o controle de plantas daninhas com a aplicacao de herbicidas de manejo e 3,5 L [ha.sup.-1] da mistura Glyfosate antes da semeadura do milho e 7 L [ha.sup.-1] do herbicida
Alachlor + Simazina, em pos-emergencia, 7 dias depois da semeadura; no controle de pragas foram utilizados 75 mL [ha.sup.-1] do inseticida Deltamethrin e as formigas controladas preventivamente, com uso de formicidas granulados.
Effect of alfalfa (Medicago sativa) roots on movement of atrazine and
alachlor through soil.
Weeds were controlled by a combination of tillage, hand weeding, and application of 1.12 kg [ha.sup.-1]
alachlor [2-chloro-N-2,6-diethylphenyl)-N-(methoxymethyl)-acetamide] with 0.07 kg [ha.sup.-1] imazethapyr {([+ or -])2-[4,5-dihydro-4-methyl-4-(1 methylethyl)-5-oxo-1H-imidazol-2-yl]-5-ethyl-3-pyridinecarboxylic acid}.
1979),
alachlor, acetochlor, linuron, metolachlor, and dimethenamid (Rahman and James 1994; Rahman et al.
in significant quantifies in recent years include
alachlor, chlordane, heptochlor, and metribuzin.
An evaluation of the feasibility of using cytogenetic damage as a biomarker for
alachlor exposure.
An analysis of the transient soil core data obtained during 1991 and 1992 showed rate constants and half-lives for the decay curves of atrazine and
alachlor shown in Table 1.
like atrazine and
alachlor just didn't show up at the levels