Selective Weed Control in Seedling Cool-Season Grasses

Seven herbicides were applied for selective weed control on three different seedling stands of five cool-season grasses. The herbicides were evaluated for their influence on weed control, grass establishment, and first crop grass seed production. These experiments indicate that 3,5-dibromo-4-hydroxy...

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Bibliographic Details
Published in:Weed science 1970-03, Vol.18 (2), p.288-291
Main Authors: Canode, C. L., Robocker, W. C.
Format: Article
Language:English
Subjects:
botany
Grasses
Herbicides
Plant Science and Plant Products
Planting
plants
Seed production
Seed productivity
Seedlings
Seeds
Tillage
Weed competition
Weed control
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Summary:Seven herbicides were applied for selective weed control on three different seedling stands of five cool-season grasses. The herbicides were evaluated for their influence on weed control, grass establishment, and first crop grass seed production. These experiments indicate that 3,5-dibromo-4-hydroxybenzonitrile (bromoxynil) was outstanding in selective control of broadleaf weeds in seedling grass stands. Two other herbicides, 3,6-dichloro-o-anisic acid (dicamba) and 6,7-dihydrodipyrido[1,2-a:2′,1′-c]pyrazinediium ion (diquat) were valuable under most conditions. The remaining herbicides—(2,4-dichlorophenoxy)acetic acid (2,4-D), 2-sec-butyl-4,6-dinitrophenol (dinoseb), 2,3,6-trichlorobenzoic acid (2,3,6-TBA), and 1-butyl-3-(3,4-dichlorophenyl)-1-methylurea (neburon)—were satisfactory for selective weed control under some conditions, but their effects were not uniform for the different species and plantings.
ISSN:0043-1745
1550-2759
DOI:10.1017/S0043174500079789