Herbicides not only kill the weeds but also affect cell metabolism of economic crops, specifically their photosynthetic machinery [1]. They interfere with the development and structure of chloroplasts, thereby influencing light reactions of photosynthesis [2]. We report in this communication on the inter­ action of pyrazon, triazole and metribuzin with pea chloroplasts during greening in terms ...

The objective of the present study was to isolate fungi from agricultural soils and evaluate fungal growth in culture medium contaminated with atrazine, glyphosate pendimethalin. Filamentous were isolated cultured a modified containing 0, 10, 20, 50, 100 ?g mL-1 pendimethalin for 14 days at 28°C. that presented optimal satisfactory plated Sabouraud 4% dextrose herbicides concentrations seven me...

Relative soil aeration affects the surfaces upon which pesticides adsorb and non-ionic resins offer a means of observing and evaluating this factor. A non-ionic resin extractor, developed for pesticide extraction under reducing conditions, was used to adsorb a fraction of the reversibly adsorbed (active portion) herbicides. The extractor consists of cleaned XAD-2 resin encased in a dialysis mem...

Field, greenhouse, and laboratory experiments were conducted at the Montana State University Southern Agricultural Research Center, Huntley, MT, USA, in 2012 and 2013, to evaluate the effectiveness of various postharvest-appliedherbicideson late-season control, fecundity, seed viability, andprogenyfitnessofKochia scoparia (kochia) in wheat stubble. Paraquat þ atrazine, paraquat þ linuron, and p...

Usage of glyphosate [N-(phosphonomethyl)-glycine] and glufosinate [2-amino-4-(hydroxy-methylphosphinyl)butanoic acid] may reduce the environmental impact of agriculture because they are more strongly sorbed to soil and may be less toxic than many of the residual herbicides they replace. Preferential flow complicates the picture, because due to this process, even strongly sorbed chemicals can mo...

in order to investigate the tolerance of wild barley (hordeum spontaneum), wild oat (avena ludoviciana) and different wheat (triticum aestivum) cultivars to metribuzin (sencore®), a completely randomized design experiment was conducted in ferdowsi university of mashhad. the treatment were replicated three times and included wheat cultivars (atila, chamran, niknejad, dorum, gaskojen), weed speci...

From semipermeable membrane devices (SPMDs) placed in five Mississippi Delta streams in 1996 and 1997, the persistent organic pollutants (POPs) aldrin, chlordane, DCPA, DDT, dieldrin, endrin, heptachlor, mirex, nonachlor, and toxaphene were detected. In addition, the insecticides chlorpyriphos, endosulfan, and hexachlorocyclohexanes were detected. Two low-solubility herbicides not detected comm...

to study the effect of different weed control methods in tomato, an experiment was conducted as completely randomized block design with three replications at the research farm of university of tehran (karaj) in 2008. the treatments consisted of post emergence (at recommended rate) or pre emergence (reduced rate in combination with mulch) application of metribuzin, rimsulfuron and sulfosulfuron,...