Preventing Diseases

Preventing Diseases in Fruit Trees

If you maintain any pitted fruit trees such as plums, peaches, or cherries, I’m sure you know that those types of trees are much more susceptible to diseases than any other type. While the fruits are delicious, it can be rather hard to live with all of the maladies that can plague the life of everyone who has ever grown one of those types of fruit trees.

The main disease that you will hear about the most is known as “Brown Rot”. This is a fungus that attaches to many of the leftover fruits after the picking season is over. Not only does it look disgusting on the leftover fruits, but it also can come back on the newer fruits, rendering them inedible (unless you enjoy eating fungus). To prevent this malady, you should prune your trees often to encourage good air circulation. Buildups of moisture are the main cause of the brown rot. Also when you are done picking for the season, you should get rid of all of the leftover fruits in the tree or on the ground.

A cytospora canker is a disgusting dark, soft area on tree branches. Gum protrudes through the bark, along with a large callus. The pathogen which causes these cankers usually enters the tree through older wounds. If you prune all of the sprouts that occur in late summer, cankers will have a harder time making themselves known within your tree. When you prune, always allow the wounds to heal naturally rather than use the wound dressings that you can buy at gardening stores. I’ve found that these usually do very little to help any situation, and only serve to make the tree look unnatural.

Those planting plum trees might deal with something called Black Knot. The symptoms of black not are rough tumors or growths that can be seen on the tree’s branches. If you see any of these, you should immediately chop off the branch it has attached to. If you use branches for mulch usually, don’t for this one. This disease can easily re-enter the tree if it is within a certain distance.

Almost everyone who has ever maintained a cherry tree has dealt with the “Cherry Leaf Spot”. It usually shows itself when there are old dead leaves accumulated on the ground. Preventing this disease is fairly easy. All you have to do is be fairly diligent in raking up all of the leaves that fall from your tree. If you have already seen signs of the disease, you should destroy all of your raked leaves. If not, then you can use them as mulch.

When your fruits ripen and become ready for picking, you should always be completely finished with picking within 2 weeks. It is best to daily go outside and pick all of the new ripe fruits, along with any that have fallen off of the tree or are starting to rot on the tree. By doing this, you will prevent bees and wasps from becoming too dependent on your tree for nourishment.

Growers of fruit trees are constantly faced with diseases and pests to worry about. However, if you take the proper precautions then you can avoid most of them. You should also look for any diseases that have been affecting your local area, and try to take steps to prevent those as well.

How to Prevent Small Fruits

The one thing that usually shocks new tree growers is the fact that the fruits produced by their tree are much smaller than the ones they’re used to seeing at the grocery store. “What is wrong with my tree?!”, “My God! What have I done!?” are some cried you may hear from the disgruntled tree grower. However, small fruits are a natural occurrence. But while smaller fruits might be what nature originally intended, it is possible to attain larger fruits without any genetic altering or added chemicals. It is only through advanced techniques that the professionals reach such large sizes with their fruits.

Usually in the early stages of a fruit trees growing, veterans do something called “fruit thinning”. The theory behind this process is that with less fruits to pay attention to, the tree will be able to more efficiently send cells to the leftover fruits. When there are hundreds of little fruits on one tree, competing for the available materials necessary for growth, you will most likely just end up with a bunch of stunted fruits. To take care of this problem, simply pluck a third of the fruits extremely early on in the process. You should notice larger fruits that season.

On almost any tree, the success of each individual fruit depends on the spacing. Usually there should not be any fruits within six to eight inches of each other. During the fruit thinning process, this is the distance you should generally aim for to optimize the amount of nutrition that each fruit gets. Any closer and you’ll find they are crowding each other out. Usually this is the first mistake that a new tree grower makes. Having tons of fruit starting to grow is not always a good thing!

Sometimes small fruits are caused by conditions out of the gardener’s control. During the process of cell division that all new fruits go through, cool weather can be fatal to the largeness of your fruits. Likewise, if the weather is particularly cloudy very early in the season, then fewer carbohydrates will be available to your plants. Occasionally, if the factors are all against the well being of your fruit tree, then the fruits will drop to the ground before they are even ripe. A lack of water or certain nutrients, or excessive pests and diseases can also damage the growth of fruits. If you notice these things going on early in the season, you should do more fruit thinning than normal. Sometimes as much as three fourths of the fruits should come off, to allow full nutrition to those who remain.

The best way to find out how to gain larger fruit sizes is to experiment. If your tree has been around for a while, there is almost nothing you can do to it to cause it to die or stop producing fruit. Just test different thinning techniques or anything you can think of to make the fruits larger. You might even head down to your local nursery and inquire about what they would suggest. They will be able to give you advice based on your region and specific tree, which is better than anything I could tell you. So don’t settle with small fruits. Go out there and find out what exactly you need to do to improve the size.