Impact of timing and frequency of in-row cultivation for weed control in dry bean (Phaseolus vulgaris)

Effectiveness of rotary hoeing with cultivation and comparison of an in-row cultivator with a standard row-crop cultivator were determined in dry edible bean. The effectiveness of in-row cultivation conducted at various timings and frequencies was examined. The in-row cultivator was more effective i...

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Bibliographic Details
Published in:Weed technology 1998-07, Vol.12 (3), p.548-553
Main Authors: VanGessel, M.J, Schweizer, E.E, Wilson, R.G, Wiles, L.J, Westra, P
Format: Article
Language:English
Subjects:
application timing
Biological and medical sciences
Biological control and other methods
cultural control
Depopulation
developmental stages
Dried beans
dry beans
Fundamental and applied biological sciences. Psychology
Herbicides
Hoeing
Hoes
In row tillage
Parasitic plants. Weeds
Phaseolus vulgaris
Phytopathology. Animal pests. Plant and forest protection
Plants
rotary cultivation
row tillage
Soil organic matter
timing
variation
Weed control
Weeds
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Summary:Effectiveness of rotary hoeing with cultivation and comparison of an in-row cultivator with a standard row-crop cultivator were determined in dry edible bean. The effectiveness of in-row cultivation conducted at various timings and frequencies was examined. The in-row cultivator was more effective in reducing weed populations than the standard cultivator, although at least two mechanical weeding operations were needed to reduce weed populations to levels of the herbicide check (EPTC [S-ethyl dipropyl carbamothioate] plus ethalfluralin). When the in-row cultivation was delayed until the second trifoliolate stage or later, weed populations were greater than those in the herbicide check. In situations with high weed populations, rotary hoeing prior to cultivation was required to reduce weed populations to levels similar to the herbicide check. An in-row cultivator has potential to improve mechanical weed control options in a crop such as dry edible bean. The types of adjustments made in combination with soil textures, soil moisture, and operator experience affect overall weed control. Thus, it is expected that the level of weed control will vary from year to year and even field to field for the same operator.
ISSN:0890-037X
1550-2740
DOI:10.1017/s0890037x00044298