The peach can be grown with success in parts of the U.K. Controlling for leaf curl from the start is key and allowing it to take hold can quickly lead to a series of consequences. The tree will attempt to replace the weak infected shoots that emerge in Spring with new shoots later, which generally will not be infected unless this period remains unusually rainy. Many of these second flush of shoots also then tend to be weak though and as they are the fruit bearing shoots for the next year as well as the support framework for further shoots (peaches rarely produce shoots from any older more robust wood) this is far from ideal for fruiting or structure. If the cycle of infected shoots/ weaker replacement shoots is allowed to continue this can then present further challenges for pruning which is recommended from the second year on.
The Peach variety in this video Avalon Pride is the 4th peach tree I have grown and was initially left unprotected against leaf curl because information suggested it was leaf curl resistant. It however succumbed and the series of events above began. After protecting for leaf curl in subsequent years it began to recover and this was helped to my surprise by the tree producing new shoots from latent buds from thicker older wood near the trunk which enabled an acceptable framework to establish.
I became interested in plants after buying The Pip Book at a School book club and the only peach tree I have grown that continued to fruit well unprotected even after being infected by leaf curl was the first one grown from seed on its own roots i.e.not a grafted rootstock, that would get leaf curl but had so much vigour it could just shake off the infection and continue to produce heavy crops of large fruit. One year however the trunk split in two due to the weight of the fruit produced, which is when I learnt about the need for thinning and bracing as mentioned in the video.
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