Journal of Taiwan Agricultural Research

Author:Hung-Chang Huang*

Abstract:

The outbreak and spread of crop diseases result from the interactions among plant pathogens, host plants, and environmental conditions. Improper cultural practices, such as the use of diseased seeds, susceptible varieties, and inappropriate cultivation practices, may lead to the emergence or 
resurgence of crop diseases. Crop disease management is crucial in modern agriculture. In this era of energy conservation and environmental protection, all crop disease control methods must be effective, economical, and environmentally friendly. Crop disease management methods such as the use of 
clean seeds, disease-resistant varieties, crop rotation, biological control, organic soil amendment, and cultural practices are considered viable alternatives to synthetic chemical pesticides. The prospects and applications of these environmentally friendly plant disease control methods are further discussed 
using fungal and bacterial diseases as examples.

Key words:Allelopathy, Biological control, Crop rotation, Disease resistance, Ecology, Epidemiology, Soil amendment, Insect-pathogen relationship

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