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Long-Term Effects on Vegetation of Herbicide Treatments in Chaparral by Holt, Jodie S.; Radosevich, Steven R.; Graves, Walter L. is a Agricultural and Biological Sciences article available to read on EtoBox.

What is Long-Term Effects on Vegetation of Herbicide Treatments in Chaparral about?

Field studies were established in 1974 and 1975 at various locations in San Diego County, CA, to evaluate several herbicides for the control of chamise (Adenostoma fasciculatumH.&A.) and redshank chamise (Adenostoma sparsifoliumTorr.). Herbicide effects on vegetation were reevaluated in 1982. Plots originally treated with 2.2 or 4.5 kg ae/ha of glyphosate [N-(phosphonomethyl)glycine] had virtually no chamise regrowth 8 yr after treatment. The herbicides 2,4-D [(2,4-dichlorophenoxy)acetic acid], combinations of 2,4-D with 2,4,5-T [(2,4,5-trichlorophenoxy)acetic acid] or dichlorprop [2-(2,4-dichlorophenoxy) propionic acid], fosamine [ethyl hydrogen (aminocarbonyl)phosphonate], triclopyr {[(3,5,6-trichloro-2-pyridinyl)oxy] acetic acid}, tebuthiuron {N-[5-(1,1-dimethylethyl)-1,3,4-thiadiazol-2-yl]-N,N′-dimethylurea}, and picloram (4-amino-3,5,6-trichloropicolinic acid) had no long-term effects on chamise. Soil collected in 1982 from glyphosate-treated plots contained similar numbers of chamise seeds but fewer seeds of other species compared to untreated plots. Canopy cover of redshank chamise was similar in treated and untreated plots after 8 yr. These results document the effectivenes

Who reads Long-Term Effects on Vegetation of Herbicide Treatments in Chaparral?

Author

Holt, Jodie S.; Radosevich, Steven R.; Graves, Walter L.

Publisher

Allen Press Online Publishing; Cambridge University Press; Cambridge University Press (CUP); Weed Science Society (ISSN 0043-1745)

Published

1985

Language

EN

Field

Agricultural and Biological Sciences (Life Sciences)