UC Weed Science

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Sometimes weeds are tasty, like amaranth and purslane
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Herbicide injury in avocado

October 18th, 2018
From the Topics in Subtropics blog (Oct. 15, 2018) ****************** Although the main objective of herbicide use in avocado orchards (and all crops) is to manage weed populations, sometimes unintentional injury of the crop itself can occur when herbicides are incorrectly applied.
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Ryegrass
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Herbicide Resistant Ryegrass in Winter Cereals

September 27th, 2018
Last winter, many growers and PCAs contacted me because they were having trouble or were largely unable to control Italian ryegrass (Lolium perenne ssp. multiflorum) in their cereal fields.
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