You nurture your tomato plants until you have beautiful fruit maturing on the vine.Upon closer inspection, you discover that somet
06.06.2023 - 16:49 / gardenerspath.com / Helga George
How to Identify, Treat, and Prevent Common Apple DiseasesIf you’ve ever seen apple trees growing in the wild, you may already know they are privy to a wide range of diseases. But what about homegrown apples?
An apple enjoyed fresh off the tree is delectable, but you may have to work hard for your shiny piece of fruit.
Many different types of fungi and some varieties of bacteria can cause infections in a home garden.
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Your best bet to prevent the onset of disease is to plant varieties that are resistant to the major pathogens in your area.
Of course, this advice won’t do much good if you already have an apple tree, or if symptoms are actually due to a physiological problem like a nutrient deficiency rather than an infectious ailment.
In this guide, we’ll cover the most common apple diseases, how to identify them, and what action to take.
Bacterial InfectionsThere are two very serious apple diseases caused by bacteria.
One is the generally fatal crown gall. The other is the highly contagious fire blight. This is a key disease to be aware of, so that you can strike quickly at the first sign of infection and have some chance of containing its spread.
Crown GallThis unusual disease affects a wide array of plants, and the bacteria that cause it may be found in soils throughout the world.
The causal agent is Rhizobium rhizogenes (aka Agrobacterium tumefaciens). This species of bacteria genetically engineers plants naturally by changing the plant’s DNA causing it to produce characteristic galls, which are a type of tumor.
Woolly apple aphids also cause the production of galls, but you can tell the difference because crown
You nurture your tomato plants until you have beautiful fruit maturing on the vine.Upon closer inspection, you discover that somet
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