Multiple-herbicide-resistant (MHR) Canada fleabane [Conyza canadensis (L.) Cronq.] control has become a major concern for corn producers in Ontario. Postemergence (POST) herbicides are critical the of emerged MHR corn. A study that consisted five field experiments was conducted southwestern Ontario fields with confirmed to evaluate various herbicide mixtures applied POST Glyphosate + 2,4-D amin...

Dicamba can be included in weed management programs for Brazilian agricultural crops, such as Conyza spp. and Amaranthus spp., it is essential to implement good practices that include salts with low volatility levels appropriate associations maintain at acceptable levels. The objective of this study was evaluate the volatilization dicamba diglycolamine (DGA) salt associated different glyphosate...

Yield variability of selected winter wheat cultivars under different sowing rate and selected application, was investigated during 2006-2008, in the Lower Silesia region (South-West Poland). Experiments with two varieties, two levels of sowing rate and seven herbicides, including untreated object were set up on the same field, using split-plot method. For evaluation of yield stability Kang'...

Abstract There is zero tolerance for dicamba and metabolite residue in tomato ( Solanum lycopersicum L.) fruit following exposure to dicamba. Field trials were conducted 2020 2021 determine the persistence of (5-hydroxy 3,6-dichlorosalicylic acid [DCSA]) processing shoots fruits. Dicamba was applied 49 d after transplanting at 0, 0.53, 5.3, 53 g ae ha −1 . Tomato plants harvested 5, 10, 20, 40,...

Abstract The adoption of dicamba-resistant cotton ( Gossypium hirsutum L.) cultivars allows using dicamba to reduce weed populations across growing seasons. However, the overuse this tool risks selecting new herbicide-resistant biotypes. objectives research were determine population trajectories several species and track frequency glyphosate-resistant (GR) Palmer amaranth Amaranthus palmeri S. ...

Method: Recently, plant hormones have been considered to reduce fungal severity. Five different plant hormones namely 2, 4-D (2,4Dichlorophenoxyacetic acid); BAP (6Benzylaminopurine); Dicamba (3,6Dichloro-2-methoxybenzoic acid, 3,6-Dichloro-o-anisic acid); IAA (Indole-2-acetic acid) and SA (Salicylic acid) were selected to examine their antifungal activity against the growth of two species of d...

Dicamba plus glyphosate tank mixture have been largely adopted for postemergence weed control after the development of dicamba-tolerant crops. Ammonium sulfate is commonly used as water conditioner (WC) to increase efficacy, but its use restricted dicamba herbicides. The non-AMS and other adjuvants could be a way optimize efficacy this while mitigating herbicide off-target movement. objective s...

Four postemergence herbicides were applied during the harvest season to an established asparagus crop. The spears were harvested every alternate day for 3 weeks after treatment, counted, assessed for quality and production, and analysed in the laboratory for presence of herbicide residues. The suggested use rates of clopyralid and dicamba caused little damage to spears and their residues in the...

As new herbicide-resistant crops come to market, it can be assumed that there will be a dramatic increase in use of 2,4-D and dicamba. Weed resistance could follow suit, and so a better understanding of the mechanism is urgently needed. In this issue of Journal of Experimental Botany (pages 3223–3235), Goggin et al. report on their analysis of 2,4-D resistance in wild radish. An elegant combina...