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Hi, Anne.
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<div class="">I use the glyphosate:triclopyr mix (3.0 lbs plus 1.5 lbs, acid basis, per acre, respectively) to good effect. The only species I have observed unsatisfactory injury is common buckthorn (glossy is susceptible). If you use it, be certain to follow
the mixing guidelines:</div>
<div class="">- start with 3/4 of the total water</div>
<div class="">- add the triclopyr, begin agitation</div>
<div class="">- add the glyphosate only after the triclopyr is mixed, and agitate immediately or constantly.</div>
<div class="">- I don’t apply the mix at carrier volumes lower than 20 gallons/acre - the two ingredients behave at that concentration, but at higher concentrations (lower carrier volumes) you can start to see precipitate.</div>
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<div class="">Plan on a follow-up. You can be very selective with a low volume application with a backpack sprayer, but you will not get the canopy penetration you would with a mistblower, so retreatment is pretty much inevitable.</div>
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<div class="">I would push up the window up to September into October. Exotics do hold foliage comparatively late, but waiting into October runs risk of “early” leaf drop or fall color, and therefore reduced effect. I find rose is often defoliated earlier than
the other species.</div>
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<div class="">I can’t really comment on the training, as I am only familiar with applicator training in PA, which has two levels, Certified Applicator (pass Core and Category exam(s), work autonomously, can directly supervise non-credentialed applicators) or
Registered Technician (trained by a Certified Applicator in a 13-point curriculum, can work autonomously, cannot supervise others). If you wish them to work autonomously, be prepared for the class to be pretty involved and hands-on. Backpack spraying is simple
in concept, particularly if you can distinguish the species, master the equipment and proper coverage, and deal with the terrain and site conditions. (:</div>
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<div class="">Be well.</div>
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<div class="">Art Gover</div>
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<div class="">On Jun 1, 2022, at 12:30, Wakeford, Anne M <<a href="mailto:anne.m.wakeford@wv.gov" class="">anne.m.wakeford@wv.gov</a>> wrote:</div>
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<div class="">I'm planning an invasive species removal project in Elkins WV and there are native species mixed in. I would like your advice.</div>
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<div class="">The 3 invasive species I'm looking at are Autumn Olive, Multiflora rose, and Bush honeysuckle.</div>
<div class="">I'd like to use one herbicide that will work effectively for all 3 species.</div>
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<div class="">I'm edging towards the cut stump method. But would also consider basal bark</div>
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<div class="">What is your thought of using a mix of triclopyr and glyphosate as per the Penn State article below? </div>
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<div class="">I'm planning to work with volunteers and first hold a technician training class so they become certified in the use of herbicides. </div>
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<div class="">Any advice you could provide would be greatly appreciated. <br class="">
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<div class="">Or if there is anyone else you can recommend that I should contact for advice please provide me with their contact info</div>
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<div class="">I'm hoping to have a training class late this summer and start applying in October or November.</div>
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<div class="">Please feel free to call or email me.<br class="">
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<div class="">Anne</div>
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<div dir="ltr" class="">Anne M. Wakeford
<div class="">Coordination Biologist</div>
<div class="">WVDNR/EOC</div>
<div class="">738 Ward Rd. </div>
<div class="">PO Box 67</div>
<div class="">Elkins, WV 26241</div>
<div class="">304-637-0245 ext 2035</div>
<div class=""><a href="mailto:Anne.M.Wakeford@wv.gov" target="_blank" class="">Anne.M.Wakeford@wv.gov</a> </div>
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<span id="cid:f_l3vt0a0u0"><One Herbicide Mix to Do It All (Almost).pdf></span>_______________________________________________<br class="">
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