Hi everyone, By mistake I made the comment that Chaparral was effective against apple suckers, I should have said, "Chateau" is effective. Sorry about the mix-up...
On Thu, Jan 1, 2015 at 1:20 PM, Hugh Thomas <hughthoma...@gmail.com> wrote: > David, > My Chaparral label does mention apple. I don't have access to the label > at the moment, but I will in a few days. This herbicide is also very > effective in weed control in your strips. I now spray once with Chaparral > and maybe once with roundup rather than 4-6 times with roundup. (per > season) I'm sure if you contact Dow they will fill you in. I'll get a > chance to read my label and get back to you in a few days. Also, consider > Paraquat. This is a very effective material for sucker burn down. I think > Paraquat is also labeled for apple. > Hugh > > On Thu, Jan 1, 2015 at 12:05 PM, David A. Rosenberger <da...@cornell.edu> > wrote: > >> Hello, Hugh — >> >> I was interested in your comment about controlling apple root suckers >> with Chaparral herbicide because root suckers have become a major headache >> in some of our older research plots. However, when I checked the Chaparral >> label on the CDMS website, I can’t find any label that includes apples. Do >> you have a special state label for apples, or were you thinking of a >> different herbicide? >> >> The Chaparral labels that I found indicate that it is not registered at >> all in NY (no big surprise), but I’m still curious about products that >> might be used for chemical control of root suckers in other states. >> However, given all of the warnings on the Chaparral label about long-term >> residual effects, even in hay from treated fields, I’m wondering about >> long-term side effects on apples even if it were labeled. >> >> On Jan 1, 2015, at 1:38 PM, Hugh Thomas <hughthoma...@gmail.com> wrote: >> >> Steven, >> This is off point, but as an aside, I have found suckers (Bud 9) to >> weaken when sprayed with the herbicide Chaparral. This is a pre emergent >> but is labeled for suckers on apple. The effect is a severe weakening of >> the sucker roots and they are very easy to pull a couple of weeks after the >> spray. This is only anecdotal evidence and my personal experience. >> >> On Thu, Jan 1, 2015 at 7:49 AM, Steven Bibula <sbib...@maine.rr.com> >> wrote: >> >>> Is there any information on the long term value of pre-planting sucker >>> reduction? >>> >>> >>> >>> On some apple (and peach) rootstocks that arrive from the nursery, I >>> have seen what appear to be cream-colored, corm-like ‘nodes’ at various >>> locations on the roots themselves as well as the lower portions of the >>> central portion; these all pop off relatively freely when wiggled. I have >>> also seen suckers up to a few inches long as well. >>> >>> >>> >>> Are these nodes the origination points of future sucker growth, or just >>> suckers that are already on their way? Do suckering rootstocks simply >>> sucker from almost anywhere along their buried material, from dormant >>> sucker buds scattered all over? >>> >>> >>> >>> For sucker control over the life of the planting, is there any benefit >>> to manually removing these nodes and growing suckers? Or would that only >>> reduce the suckering for the spring of the planting year? >>> >>> >>> >>> I am planning to plant a lot of heavily-suckering Bud 9 and B.9/MM.111, >>> and if long term benefits of removing these nodes are worth the one-time >>> effort before planting, then I will do the work. The hardest suckers to >>> control are the ones right up next to the trunk, and any permanent sucker >>> reduction would be nice on these heavily suckering rootstocks. >>> >>> >>> >>> I hope someone has done the research and is willing to educate ignorant >>> folk such as I. >>> >>> >>> >>> Grateful in advance, >>> >>> >>> >>> Steven Bibula >>> >>> _______________________________________________ >>> apple-crop mailing list >>> apple-crop@virtualorchard.net >>> http://virtualorchard.net/mailman/listinfo/apple-crop >>> >>> >> _______________________________________________ >> apple-crop mailing list >> apple-crop@virtualorchard.net >> http://virtualorchard.net/mailman/listinfo/apple-crop >> >> >> >> _______________________________________________ >> apple-crop mailing list >> apple-crop@virtualorchard.net >> http://virtualorchard.net/mailman/listinfo/apple-crop >> >> >
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