When to assess (Pest and disease assessment)

• Assessment should be done at least fortnightly from bud-burst to mid-August.
• Assessment of scab and mildew should be done on each occasion.
• Ideally, assessment should be done before a spray round is due to be applied so that decisions about the need for treatment, the interval between spraying, the best choice of product, the dose and volume rate can be taken on an informed and rational basis.
• Pest assessments should be done at the same time. However, there are a number of key times when pest assessment is particularly critical as follows: