Practice and precept in cultural management of bean diseases
A review of four comprehensive sources of information reveals that cultural practices, i.e. practices not employing host resistance, pesticides, or specific biological control agents, are important to the management of all of the 50 principal diseases of common bean (Phaseolus vulgaris) and essential to the control of 40. Thirty-one groups of cultural practices contribute to the control of bean diseases. The practices most frequently recommended are rotation, pathogen-free seed, weed control, and tillage. The number of cultural practices recommended per disease ranges from 1 to 15. Several precepts relating to the development and rational use of cultural practices in bean disease control are derived from this quantitative analysis. Control of diseases through cultural practices is essential to sustainable bean health.
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