their plants healthy? You should also understand resistant variety use but the fact that some of these are not as tasty, such as the potato ‘Sarpo’ which is resistant to blight but is not regarded as a flavourful potato. Resistance does not mean complete immunity to disease either and pathogens will evolve and become resistant to controls, so it is a constant battle for horticulturalists to keep up with them. Overall, plant health is a complex subject that involves understanding plants’ needs, how they work and use nutrients, what can affect their health, and then dealing with these in the most sustainable and safe manner.
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