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Susceptibility of Dry Edible Bean (Phaseolus vulgaris, Cranberry Bean) to the Rotary Hoe

Published online by Cambridge University Press:  20 January 2017

Maryse L. Leblanc  and
Daniel C. Cloutier
Maryse L. Leblanc*
Affiliation:
Institut de Recherche et de Développement en Agroenvironnement, P.O. Box 480, Saint-Hyacinthe, Québec, Canada J2S 7B8
Daniel C. Cloutier
Affiliation:
Institut de Malherbologie, P.O. Box 222, Sainte-Anne-de-Bellevue, Québec, Canada H9X 3R9
*
Corresponding author's E-mail: [email protected].
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Abstract

A 3-yr study was conducted to assess cranberry bean susceptibility to mechanical weeding using a rotary hoe at preemergence, hook, cotyledon, unifoliate, and first to fourth trifoliate stages of bean development and at different combinations of stages. The experiment was conducted in a weed-free environment. Cultivation with the rotary hoe reduced bean yield only for the treatment that received four cultivations at four different bean growth stages. Three cultivations improved yield compared with no cultivation. Single cultivation done at any of the eight crop growth stages did not affect yield. Crop density at harvest was decreased 6% in the treatments receiving two cultivations and 9% in the treatments receiving four cultivations compared to no cultivation. The effects of the cultivations on grain moisture were not consistent and differed from year to year. Seed weight did not differ among treatments in either year. Because this study was conducted under weed-free conditions, the beneficial effects of cultivating with the rotary hoe are probably mostly related to breaking the soil crust, improving soil aeration, preserving soil moisture, or promoting mineralization of the nutrients required by the crop.

Keywords

Cranberry beanPhaseolus vulgaris L. ‘SVM Taylor’Bentazoncultivationfenoxaprop-p-ethylmechanical weedingphysical weed controltrifluralin
Type
Research
Information
Weed Technology , Volume 15 , Issue 2 , June 2001 , pp. 224 - 228
Copyright
Copyright © Weed Science Society of America 

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References

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