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Effects of Several Herbicides on Yews and Japanese Maples

Published online by Cambridge University Press:  12 June 2017

L. L. Danielson  and
Curtis May
L. L. Danielson
Affiliation:
Crops Research Division, Agr. Res. Serv., U. S. Dep. of Agr., Beltsville, Maryland
Curtis May
Affiliation:
7410 Carroll Avenue, Takoma Park, Maryland
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Abstract

Field plots of small well-rooted plants of yew [Taxus media Rehd., var. Hicks] and maple [Acer palmatum Thunb., var. Japanese maple] were treated annually for 3 years with 3-(3,4-dichlorophenyl)-1,1-dimethylurea [diuron], 2-chloro-4,6-bis(ethylamino)-s-triazine [simazine], 2-(2,4-dichlorophenoxy)ethyl sodium sulfate [sesone], dimethyl tetrachloroterephthalate [DCPA], isopropyl m-chlorocarbanilate [chlorpropham], α,α,α-trifluoro-2,6-dinitro-N,N-dipropyl-p-toluidine [trifluralin], 2-sec-butyl-4,6-dinitrophenol [dinoseb], and 3-amino-s-triazole [amitrole]. Commercial formulations of the herbicides were applied in water as a soil drench in May each year, at minimum effective dosage levels for weed control and at much higher levels. Diuron at herbicidally effective rates significantly reduced stand and growth of yew and maple plants. Simazine and sesone caused noticeable but variable reductions in growth of maple plants that were not statistically significant and yew plants were unaffected by these treatments. None of the other herbicides caused visible or measurable differences in growth.

Type
Research Article
Information
Weed Science , Volume 17 , Issue 2 , April 1969 , pp. 142 - 144
Copyright
Copyright © 1969 Weed Science Society of America 

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References

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