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2. Clopyralid - Wikipedia

   en.wikipedia.org/wiki/Clopyralid

   Clopyralid (3,6-dichloro-2-pyridinecarboxylic acid) is a selective herbicide used for control of broadleaf weeds, especially thistles and clovers.Clopyralid is in the picolinic acid family of herbicides, which also includes aminopyralid, picloram, triclopyr, and several less common herbicides.

3. Cirsium arvense - Wikipedia

   en.wikipedia.org/wiki/Cirsium_arvense

   Applying herbicide: Herbicides dominated by phenoxy compounds (especially MCPA) caused drastic declines in thistle infestation in Sweden in the 1950s. [12] MCPA and clopyralid are approved in some regions. Glyphosate is a non-selective herbicide that can be used when the plant has grown a few inches tall, where the herbicide can be absorbed by ...

4. List of Northern American nectar sources for honey bees

   en.wikipedia.org/wiki/List_of_Northern_American...

   Butterfly weed [4] Asclepias tuberosa: Perennial 7 8 no feral minor C Asparagus: Asparagus officinalis: Perennial 5 6 no cultivated minor F Milk vetch: Astragalus spp. Perennial 5 6 no feral minor F Aster: Aster spp. Perennial 8 10 usually mixed with goldenrod [3] feral, ornamental major [4] F Borage [4] Borago officinalis: Annual 6 10 no feral ...

5. Cirsium vulgare - Wikipedia

   en.wikipedia.org/wiki/Cirsium_vulgare

   Spear thistle is designated an "injurious weed" under the UK Weeds Act 1959, [19] and a noxious weed in Australia [18] [20] [21] and in nine US states. [22] Spread is only by seed, not by root fragments as in the related creeping thistle C. arvense. It is best cleared from land by hoeing and deep cutting of the taproot before seeds mature ...

6. MCPA - Wikipedia

   en.wikipedia.org/wiki/MCPA

   MCPA is used as an herbicide, generally as its salt or esterified forms. Used thus, it controls broadleaf weeds, including thistle and dock, in cereal crops and pasture. It is selective for plants with broad leaves, and this includes most deciduous trees. Clovers are tolerant at moderate application levels.

7. British NVC community OV25 - Wikipedia

   en.wikipedia.org/wiki/British_NVC_community_OV25

   British NVC community OV25 (Urtica dioica - Cirsium arvense community) is one of the open habitat communities in the British National Vegetation Classification system.It is one of four tall-herb weed communities.

8. Weed control - Wikipedia

   en.wikipedia.org/wiki/Weed_control

   Weed control is a type of pest control, which attempts to stop or reduce growth of weeds, especially noxious weeds, with the aim of reducing their competition with desired flora and fauna including domesticated plants and livestock, and in natural settings preventing non native species competing with native species.

9. Aminocyclopyrachlor - Wikipedia

   en.wikipedia.org/wiki/Aminocyclopyrachlor

   Aminocyclopyrachlor (AMCP) is a selective, low-toxicity, auxin-mimicking herbicide that provides pre- and post-emergent control of broadleaf weeds on several non-food use sites including rights of way, wildlife management areas, recreational areas, turf/lawns, golf courses and sod farms.