The cultivar chosen must offer good prospects for economic success with minimal use of agrochemicals.

IP guidelines must set out a list of the relative susceptibilities of the commonly grown cultivars of soft fruits to all important pests and diseases when available.

IP guidelines must state a list of cultivars with the following properties: 

i) Strawberry cultivars with resistance to Verticillium wilt and/or powdery mildew,

ii) Raspberry cultivars less susceptible to Phytophthora spp. and/or virus-transmitting aphids, 

iii) Blackcurrant cultivars resistant to blackcurrant gall mite and/or reversion disease,

iv) Blackcurrant and gooseberry cultivars resistant to powdery mildew.

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