Effects of chlorimuron applied postemergence to cotton (Gossypium hirsutum)

Chlorimuron applied postemergence at 2.2, 4.4, 8.8, 18, and 35 g ai/ha to cotton at either the 4-leaf, pinhead-square, first-bloom, or full-bloom growth stage was evaluated for potential as a plant growth regulator. Chlorimuron did not reduce bolls per plant at any rate or time of application, but t...

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Bibliographic Details
Published in:Weed technology 1990-04, Vol.4 (2), p.314-317
Main Authors: Patterson, M.G. (Auburn Univ., AL), Monks, C.D, Rayburn, T, Wehtje, G
Format: Article
Language:English
Subjects:
APPLICATION RATES
BOLLS
CHEMICAL CONTROL
Chlorides
CONTROL QUIMICO
DEVELOPMENTAL STAGES
DOSE D'APPLICATION
DOSIS DE APLICACION
ETAPAS DE DESARROLLO
ETAPAS DE DESARROLLO DE LA PLANTA
FRUITS
FRUTAS
Furunculosis
GOSSYPIUM
GOSSYPIUM HIRSUTUM
GROWTH RATE
HERBICIDAS
HERBICIDE
HERBICIDES
INDICE DE CRECIMIENTO
Insecticides
LUTTE CHIMIQUE
MADURACION
MADUREZ
MATURATION
MATURITE
MATURITY
MATURITY STAGE
Mode of action
Pesticidal action
PLANT DEVELOPMENTAL STAGES
Plant growth regulators
PLANT GROWTH SUBSTANCES
Plants
RENDEMENT
RENDIMIENTO
STADE DE DEVELOPPEMENT
STADE DE DEVELOPPEMENT VEGETAL
SUBSTANCE DE CROISSANCE VEGETALE
SUSTANCIAS DE CRECIMIENTO VEGETAL
TAUX DE CROISSANCE
Weed control
Yield to maturity
YIELDS
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Summary:Chlorimuron applied postemergence at 2.2, 4.4, 8.8, 18, and 35 g ai/ha to cotton at either the 4-leaf, pinhead-square, first-bloom, or full-bloom growth stage was evaluated for potential as a plant growth regulator. Chlorimuron did not reduce bolls per plant at any rate or time of application, but the proportion of open to closed bolls decreased as rate increased. Seed cotton yields decreased with increasing chlorimuron rate and cotton age. The use of chlorimuron as a plant growth regulator for cotton appears limited.
ISSN:0890-037X
1550-2740
DOI:10.1017/S0890037X00025458