Ghantous, Katherine

Sandler, Hilary A.

English

ScholarWorks@UMass Amherst

University of Massachusetts Amherst ScholarWorks@UMass Amherst Cranberry Station Extension meetings Cranberry Station Outreach and Public Service Activities Spring 6-8-2020 2020 Bogside June 8: Weeds and Herbicides Hilary A. Sandler Katherine Ghantous Follow this and additional works at: https://scholarworks.umass.edu/cranberry_extension  Part of the Agriculture Commons Weeds and herbicidesUMass Cranberry Station Virtual BogsideKatie Ghantous and Hilary SandlerJune 8, 2020We need your feedback!´ Dodder sightings? • When was first emergence? • A lot or a little so far?• Please call Hilary if you have dodder.´ Did you try Zeus XC?• Initial thoughts on efficacy and safety?Glyphosate wipesResearch from WI:Adding silicone surfactant (organosilicone) to glyphosate for wipes significantly increases maple control! (Silwet L-77, Hi-wett, etc.)LET US KNOW IF YOU TRY!!https://extension.umaine.edu/cranberries/grower-services/weeds/maple-saplings/Spot-treatments with concentrated Callisto´ Effective for tough weeds like poison ivy´ 8 oz/A max rate still applieso If using 1 oz Callisto per gal of water, you can only use 8 gal solution per acre´ 2 applications of Callisto per year, per areao any combo of spot + chemigationBest results with:´ 2 apps/year o Mid-June + early July (min 14 days btw trts)o PI fully leafed out for 1st treatmento PI regrown leaves for 2nd treatment´ Need to treat for multiple years for lasting controlConcentrated Callisto and PITreated 2x a year 2013+2014Treated 2x a year2013 OnlyAB B B Babb0200400600800100012001400Untreated (Early)Callisto 1xCallisto 2xCallisto + Poast 1xCallisto + Poast 2xUntreated (Late)Callisto 1xCallisto+Poast 1x# of seedsTreatmentDodder Seeds Treated pre-flowering Treated at floweringNo differences in cranberry yield 

2020 Bogside June 8: Weeds and Herbicides

https://scholarworks.umass.edu/cgi/viewcontent.cgi?article=1323&amp;context=cranberry_extension

2020 Bogside June 8: Weeds and Herbicides

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