WEED CONTROL LAB
WEED CONTROL LAB CS 052L
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This 17 page Class Notes was uploaded by Demarco Hansen on Thursday October 15, 2015. The Class Notes belongs to CS 052L at North Carolina State University taught by Staff in Fall. Since its upload, it has received 18 views. For similar materials see /class/223664/cs-052l-north-carolina-state-university in Crop and Soil Sciences at North Carolina State University.
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Date Created: 10/15/15
Postemergence Broadleaf Weed Control lSelective Few Options L0ntre1 Basagran Goal Image Asulox I N onSelective Posternergence Herbicides Suggested Use Sites Herbicide Tree amp Ground Annual Perennials Shrub beds covers Flowers Casoron J Few N0 N0 Diquat directed No No No Finale directed No No No Roundup directed Wiper No No Scythe directed No No No Goal fBasagran directed Few No No Lontrel Fusilade Van tage Envoy Selective Posternergence Broadleaf Weed Control I Limited product selection I Effective only on seedling weeds I Limited weed spectrum controlled I Generally not particularly useful in landscapes I Exceptions Casoron amp Lontrel Lontrel Clopyralid lPostemergence control of Legumes certain Asters and a few other species lLabeled for use in Christmas trees and fieldplanted woody ornamentals Lontrel Clopyralid I Key weeds controlled Legumes and asters incl clovers vetch black medic thistles goldenrod nightshades groundsel galinsoga lSuppression smartweed I Not controlled everming primrose plantain L mtr mmmlg Eggnng and Percent Mugwort Control in Field Nursery Stock Evaluated the 100 Following June I Lontrel I Roundup August May August Lontrel Do not use on or near I Legumes Fabaceae redbud locust mimosa I Asters composites Asteraceae sunflower daisies artemesia liatris I linden Tilia sp Some damage has been observed on crepe myrtle Avoid Lontrel applications near srs amp Legumes Casoron diclobenil I Other trade names Dyclomec Barrier I Positional selectivity basically nonselective I Application rate 23 to 34 lb 1000 ft2 3 an km u e a 5Hqu Q 49 Hm I T ru 0 111 nu H x 1 A 11 k 4 1 41 a A A H A1 xv xVJ gt C g rwg FGLVEHQQ E bb a L Pre Post Weed Control With Casoron I Safe on certain established trees 8 shrubs I Controls many perennial hardtokill weeds I Significant potential to injure nonlabeled species including hemlock fir 8 spruce I Apply in late fall or early winter I Residual lasts until early summer Casoron diclobenil cont l Weeds controlled dandelion red sorrel clover mugwort Equisetum winter annuals and most cool season perennials I Weeds suppressed bindweed nutsedge quackgrass and other rhizomatous perennials I Weeds not controlled most woody weeds such as black locust sprouts mulberry catbriar brambles and late germinating summer annuals 39 Apply in late fall or early winter Triclopyrs BrushBGon Poison Ivy Oak Killer etc lActive ingredient triclopyr same as Garlon 3A lWoody weed control lSynthetiC auxin labeled for broadleaf weed control in turf lCaution around ornamentals Tricmpyr W I k8 com WW than R undup Y 39 nm39 Triclopyr cont lFoliar spray in spring better than fall BUT IWOI kS most times of the year lAlso labeled for cutstump applications triclopyr I Treat freshly cut stumps I Also can be used as a basal bark spray usually in oil