Peach Leaf Curl
Peach Leaf Curl
Description
Peach Leaf Curl is a crippling fungal disease of peaches, nectarines, almonds and apricots that distorts leaves and causes premature leaf fall. Loss of leaves means fruit set is poor and does not fully develop.
Symptoms
Leaves that open in the Spring are distorted and puckered by whitish green, pink or red blisters. Later on in the year foliage will be covered with a white powdery bloom. Fruit may also carry warty spots and affected leaves will drop early.
Treatment and Control
General tips
Immediately remove and destroy all infected leaves and plant parts. This will reduce the number of spores shed to over-Winter on the plant and re-infect next Spring. Pick up any fallen foliage and destroy. Do not place infected foliage on your compost heap. An open sided polythene canopy will protect foliage from rain and dew. When placed in position from early January to the end of April this canopy will reduce infections naturally as disease spores are carried by wind and rain.
Spray with a suitable fungicide
Plants that show symptoms need to be protected with a fungicide such as Murphy Traditional Copper Fungicide. Timing of sprays is important to good control. Protect new growth with this fungicide when buds begin to swell. Depending on season and location this may be from mid January to mid February. Spray again 14 days later. At the end of the growing season, pick off all affected leaves and remove all foliage debris from under the tree. After leaf fall, spray again thoroughly with Murphy Traditional Copper Fungicide to reduce the number of live spores carried on the stems and branches.
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