Cucumbers (sucumis sativus) develop fairly effortlessly in Sunset’s Environment Zones 1 through 4-5, however they do sometimes suffer from illnesses. Corynespora also referred to as goal leaf spot, is a disease that affects other crops and cucumbers. The disease gets its name in the targetlike places it causes. The spots become light-brown spots with dark-brown margins and begin as white or yellow leaf flecks. Leaf fall is caused by Corynespora and decreases plant development. This illness can be controlled by gardeners through fungicide use and appropriate plant treatment.
Train cucumber crops to grow on cage or a trellis to improve air circulation across the plants. When draped over a trellis or cage the leaves can dry quicker after irrigation. Faster drying decreases development and excessive moisture.
Avoid operating in fields or gardens while plants are moist. Spores usually spread in water, therefore the infection spread can be helped by gardening while contaminated crops are moist.
Remove plant debris in the garden from having the illness, to avoid the next crop of cucumbers. Don’t use the plant issue that is contaminated for compost. Instead, ruin the particles, or toss it away in bags that are sealed to stop the fungus from spreading.
Cucumber plants using a fungicide if controls aren’t enough to get cleared of the fungus. Some fungicides which work to to manage corynespora include types that contain chlorothalonil fluoxastrobin or boscalid. Since fungicides that are various come in various concentrations and function in various ways, it is advisable to to follow manufacturer instructions regarding fungicide programs. Examine the label to produce sure it is secure for use and functions for corynespora before purchasing a fungicide. Boscalid may be used up to to 6 times per period using an optimum a-Mount of 3.5 ounces per-acre per program.