Getting rid of disease from apple tree - Knowledgebase Question

San Diego, Ca
Question by bourommavong
October 22, 2009
How do I get rid of disease and insects from apple, lime, and guava trees?

Answer from NGA
October 22, 2009


It's a fact of nature that in order to grow tree fruits, you need to commit to the time and energy required to protect them. To avoid scab problems, your apple trees can be sprayed with Bordeaux (lime-sulfur). This fungicide must be applied early and thoroughly to protect new growth. Apply according to label directions; as the buds break until the leaves are fully expanded. Do this at prepink, pink, calyx, and first cover. Since the fungus overwinters in fallen leaves and fruit, be sure to thoroughly clean up and dispose of plant debris in the fall months. Citrus and guava trees are generally not bothered by diseases. If you think yours have developed diseases, submit another question with detailed symptoms and we'll try to diagnose the problem for you.

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