Cultivars resistant or tolerant to pests, physiological disorders, fungal diseases, viruses, phytoplasmas are preferred.

IP guidelines should provide a list of the relative susceptibilities of the commonly grown cultivars to all important pests and diseases.

Preference should be given to cultivars with good N-efficiency, tolerance/resistance to diseases (e.g. ring spot, Alternaria) and pests.

Cookie Consent with Real Cookie Banner