Resistance, to pests and diseases

Impact of phytochemicals on crop resistance to pests and diseases... 

Healthy, well-grown plants are more resistant to pest and disease attack. Pest- and disease-resistant cultivars should be used where problems are known to exist. Pests attack vegetables above and below soil. They range from large animal pests such as rabbits, which cause general damage, to microscopic nematodes that... 

Many consumers also wish to be made aware of any genetic modification to the crop. Genetic modification might be beneficial for cocoa butter production as the characteristics of the butter could be modified in the growing bean, and also resistance to pests and diseases might be introduced to the plant. Analytical methods are required to detect such modification, in both the raw materials and the processed product. 

The use of varieties of crop species that are resistant to pests and diseases. If the crop species has genetically based variations of tolerance to the pest or disease, then resistant varieties can be developed using standard breeding techniques ... 

As regards the different traits, besides morphological, technological, and yield characteristics as well as quantity and composition of the essential oil, also stress resistance and resistance to pests and diseases are highly relevant targets in breeding of essential oil plants. Well known in this respect... 

Kenaf is fairly resistant to pest and diseases however, locally, cut worms, leaf miners, and other chewing/sucking insects are potential problems. The only pest problem most likely to be experienced almost anywhere kenaf is grown is plant parasitic nematodes, especially root-knot nematode (Meloidogyne spp.) [40, 48]. Kenaf can also be infected by anthracnose (Colletotrichum hibisci) [45] however, choosing resistant cultivars can help solve this problem. 

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