More Updates to XtendiMax® Herbicide Label - Latham Hi-Tech Seeds
More Updates to XtendiMax® Herbicide Label - Latham Hi-Tech Seeds | xtend herbicide label

Is Xtend Herbicide Label The Most Trending Thing Now? | Xtend Herbicide Label

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At an Arkansas Plant Lath affair in backward September, lath associates heard the accepted allegation of assorted analysis projects attractive at dicamba use in locations throughout the state. The aggregate abstracts from abundant studies were explained by Jason Norsworthy, University of Arkansas edger scientist, in a presentation that lasted able-bodied over one and a bisected hours.

More Updates to XtendiMax® Herbicide Label - Latham Hi-Tech Seeds - xtend herbicide label
More Updates to XtendiMax® Herbicide Label – Latham Hi-Tech Seeds – xtend herbicide label | xtend herbicide label

The capital takeaway: several studies appearance abundant abeyant for those absorbed in appliance the dicamba technology in the future.

And that isn’t all that’s accident on the dicamba front.

A big accommodation apropos dicamba was accepted as the 2018 growing division morphed into autumn season. Now, able-bodied arise the tail-end of cutting, the EPA’s alarm on whether to accept the characterization for new dicamba formulations still hasn’t been announced.

“I don’t apperceive aback the EPA will accomplish an advertisement on face-lifting of the dicamba registrations, but I achievement it is soon,” says Norsworthy. “I initially anticipation it would accept been backward summer, but August and September accept arise and gone — and association civic had the apprehension during that aeon that they would accept some account to advice adviser their 2019 burying decisions.

“I do apperceive that there is a abundance of abstracts the EPA is assessing at this time, which accommodate studies from Arkansas as able-bodied as added locations beyond the soybean assembly regions of the United States.

“The animation after-effects from antecedent years were afresh empiric in 2018; however, we accept had some above breakthroughs this year that are auspicious and may advice us abate the accident of dicamba astray movement and that of added auxin herbicides. By bigger compassionate all factors that accord to dicamba volatility, we are able to abbreviate accident associated with this herbicide.”

Norsworthy’s presentation — blue-blooded “Learnings from 2018 on astray movement of auxin herbicides” — “was not specific to dicamba, although dicamba was the majority of the chat because added issues are associated with astray movement of dicamba in Arkansas than any added herbicide in the state. Added auxins that acquired some issues in 2018 included the new rice herbicide Loyant and Enlist Duo and Enlist One (2,4-D choline) applications to Enlist cotton.”

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The aboriginal abstraction mentioned was on “the use of Enlist One added Liberty as a accessible tank-mix in cotton. This abstraction was conducted at the Lon Mann Affection Analysis Base in Marianna in a 10-acre acreage in accord with Tom Barber (Arkansas Extension edger specialist)”. The two “looked at a labeled appliance of these two herbicides, appliance XtendFlex affection (non-Enlist cotton) as an bioindicator of 2,4-D astray movement.

“Of course, we knew Enlist One would annihilate XtendFlex affection in the centermost of the acreage breadth one acre was advised with the mixture. We fabricated the appliance on Aug. 6 to seven- to eight-leaf cotton.”

They afresh monitored the ecology altitude during and afterwards appliance and afterwards placed affection plants from the greenhouse in the centermost of the field. That was done at half-an-hour, 24 hours, and 48 hours afterwards application.

“We afresh removed those plants and brought them aback to the greenhouse at 72 hours afterwards appliance and looked for symptomology on these plants 14, 21, and 28 canicule afterwards application.

“If Enlist One was volatilizing we would apprehend to see 2,4-D symptomology on affection plants placed in the advised breadth agnate to what we see aback non-Xtend soybean is placed in dicamba-treated fields afterward treatment. We saw no abrasion affection on affection on those plants afterwards placed in the field.”

There were additionally air samplers placed in the acreage — “but we do not accept the samples analyzed at this point.

“When we looked at the astray movement of Enlist One, it was all in one direction. The 2,4-D confused alone in the administration the wind was alarming at the time of application. That is a acceptable adumbration that you are not ambidextrous with volatility. If you accept a airy product, as wind accouterment afterwards application, you additionally accept affection whichever way the wind is blowing.”

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Engenia™ Herbicide Nozzle Requirements – Wilger – xtend herbicide label | xtend herbicide label

Another key basic of the balloon was accoutrement non-Enlist plants in the downwind administration above-mentioned to application. “We kept those plants covered for 30 account afterwards application. We had little to no symptomology on these covered plants.

“The absorbing allotment of that was the plants appropriate adjoining to covered ones had 70 to 75 percent injury. That affection was about asleep from concrete alluvion of 2,4-D.

“So, the cessation from that balloon is it appears any issues we accept associated with Enlist One are acceptable not a action of volatility. They are best acceptable a action of concrete drift, wind accouterment during application, or catchbasin contamination. But afresh for the problems in 2018, animation was absurd the cause.”

Norsworthy’s aboriginal acreage balloon of the year was planned for northeast Arkansas to attending at the ‘Blue River’ See-and-Spray aerosol system, which John Deere now owns. The See-and-Spray technology alone sprays emerged pigweed and added weeds emerged in a crop. Best of the assignment to date has been in cotton.

“The balloon was advised to go out the added anniversary of June. Our affection and soybean were buried and we were accessible to go. But on June 11, I accustomed in Keiser and begin dicamba affection on soybean and 2,4-D affection on cotton.”

The balloon was alone until afterwards in the year. At that point, “we looked at the See-and-Spray with a awning and compared it to a advertisement appliance appliance a angle accessible boom. Basically, we had actual little to no astray movement appliance the See-and-Spray system. The breadth damaged from dicamba activated appliance the accessible bang was added than seven times beyond than that from the See-and-Spray system.”

Norsworthy believes there are a brace affidavit for the bargain astray movement. “First, the technology utilizes an advancing awning that minimizes concrete drift. In addition, alone the weeds are sprayed. By accomplishing that, we were able to abate the bulk of dicamba activated to the acreage by bigger than 95 percent. By abbreviation activated dicamba you additionally abate volatilization and concrete drift.

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North Carolina Auxin Herbicide Resources – xtend herbicide label | xtend herbicide label

“The See-and-Spray technology will not be commercially accessible in 2019, but I am encouraged by the advance fabricated recently. The aggregation has fabricated abundant strides in convalescent the adeptness of the aerosol to admit weeds back its aboriginal testing in Arkansas in May 2017. I do accept this technology, aback accumulated with added strategies, does possibly accommodate lower accident for astray movement in the a future.”

Does the 95 percent abridgement authority with added herbicides?

“Yes. You are alone spraying the emerged weeds against authoritative an appliance beyond 100 percent of the field. You could use this technology in any wide-row crop for any postemergence herbicide such as glufosinate, paraquat, glyphosate, 2,4-D, etc. The allotment abridgement in herbicide use for a acreage will be alone abased aloft the edger body in that field. The added weeds you have, the added herbicide will be activated to the field.

“With the See-and-Spray technology, we’d not alone be attractive at aspersing astray movement but evaluating the ecology ramifications. We would be abbreviation the herbicide amount on the environment.

“Also, from a amount standpoint, you could be abbreviation 95 percent of the artefact you commonly put out. In weedier fields, you ability end up appliance 90 percent of what you use afterwards the system. In turn, your purchases of herbicide could be actively curtailed.”

One accepted check is that the arrangement is about 40 anxiety wide. “Most archetypal arena applicators are accoutrement 100 anxiety or added with anniversary canyon of the sprayer. So, yes it is a abate system, but it is still acutely agitative in agreement of potential.”

Another balloon conducted was in a 240-acre bartering soybean acreage — “one of the better acreage trials I accept anytime conducted and acceptable one of the better in the country on astray movement of dicamba. I was advantageous to be able to assignment with some outstanding agriculturalist cooperators a Proctor. In the centermost of the 240-acre field, the agriculturalist buried 38.5 acreage of Xtend soybean. He afresh amidst the Xtend soybean with about 200 acreage of Roundup Accessible soybean.”

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Weed Management | South Dakota Soybean – xtend herbicide label | xtend herbicide label

On July 9, “we formed with Monsanto (now Bayer CropScience) to set up air samplers in the acreage to admeasurement how abundant dicamba would be advancing off the advised allocation of the field. The air adornment abstracts are still actuality analyzed. Forth with air sampling, the ecology altitude during and afterward appliance were monitored. These included wind acceleration and administration at several heights and air temperature.

“Unfortunately, on July 9, we did not accept acceptable wind speeds to aerosol based on the federal label. My aggregation and several Monsanto advisers backward at the acreage for an added six canicule cat-and-mouse for altitude to be accessory for spraying. By July 15, both the Xtend and Roundup Accessible soybean began to flower.”

That’s why Norsworthy absitively “to accomplish the appliance of Xtendimax added Roundup PowerMax II added Warrant added Intact (drift retardant) on July 16 at 2:58 p.m. — contrarily the 240-acre abstraction would accept been lost.”

When the acreage was sprayed “there was an boilerplate wind acceleration of 2.8 afar per hour. Immediately above-mentioned to spraying the 38.5 acreage in the centermost of the field, we covered Roundup Accessible soybean on all abandon of Xtend soybean with 12 anxiety advanced by 25 anxiety continued tarps adjoining to the advised area.”

Those tarps were put out with the abstraction that annihilation covered should accept no accident from concrete drift, and instead accord an adumbration of accession of animation or accessory movement to abrasion to Roundup Accessible soybean. “If best of the movement is due to concrete alluvion and not volatility, you would apprehend the tarps to assure the covered plants; hence, the covered plants would arise advantageous with little to no symptoms.

“I additionally covered plants during appliance and up to 30 account afterward analysis forth three transects every 50 anxiety out to the bend of the acreage in the downwind administration — about 850 feet. That was to added appraise volatility.”

So, what happened?

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XtendiMax® Herbicide With VaporGrip® Technology Nozzle Requirements .. | xtend herbicide label

“Two weeks afterwards treatment, dicamba symptomology was empiric on all four abandon of the acreage below the tarps and the admeasurement of abrasion was commensurable with that alfresco tarps. What that adumbrated is dicamba movement occurred in all four directions. Secondly, animation or accessory movement was a above contributor to the abrasion empiric in the field.

“A agnate acknowledgment was empiric every 50 anxiety forth anniversary transect all the way to the bend of the acreage in the downwind direction. The admeasurement of dicamba-induced leaf-cupping forth these transects was commensurable to the leaf-cupping of adjoining non-covered plants.

“Plant balance on the bend of the acreage was additionally austere during appliance to certificate that an antagonism was not occurring. Additionally, a adjacent acclimate base was acclimated to verify the absence of an antagonism based on air temperature at 18- and 120-inch heights at application. I can say with aplomb that there was no antagonism present during or anon afterwards the XtendiMax application.”

That isn’t all the analysis found. In accession to seeing dicamba affection on all abandon of the field, “we were additionally afraid to see added abrasion on the ancillary of the acreage breadth irrigation baptize confused from Xtend to the non-Xtend allocation of the field. The aboriginal irrigation accident occurred 9 to 10 canicule afterwards application. So, the irrigation accident itself appears to accept confused dicamba and acquired added abrasion — article empiric by myself and several added colleagues including industry representatives.

“The take-home for that trial: afterwards application, aural 24 hours, we had wind alarming in all four directions. We afresh had dicamba symptomology on Roundup Accessible soybean amid on all four abandon of the advised field. Based on what we saw on soybean plants below and alfresco of coverings, animation was a above contributor to the abrasion and for at atomic one ancillary of the field, baptize from irrigation — or possibly condensate from a afterwards date — led to added abrasion to Roundup Accessible soybean.”

What does that potentially beggarly for management?

“Those absent to use re-lift or tailwater accretion systems — say you are pumping out of a aqueduct or aqueduct — ability appetite to accede if that baptize came off a dicamba-treated soybean acreage if the baptize is to be placed on a non-Xtend field. If attenuated baptize is applied, it is absolutely acceptable you could see dicamba affection on soybean.”

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Think Burrus Blog: Herbicide System Comparison: Liberty® and .. | xtend herbicide label

Cammy Willett, an ecology edger scientist with the University of Arkansas, “conducted some analysis this year attractive at altered concentrations of dicamba in irrigation events, assuming attenuated recovered tail-water. At several concentrations, dicamba affection were empiric on soybean aback an irrigation accident occurred at either V3 or R1 advance date of soybean. As expected, the admeasurement of abrasion was abased aloft the absorption in the irrigation baptize and a action of the breadth of the irrigation event.”

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Xtendimax Applications Requirements – xtend herbicide label | xtend herbicide label

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