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admin | Cure Bv Naturally | 11.12.2015
Bacterial diseases of plants are more than just unsightly; they are often destructive to plants. Fire blight is a destructive bacterial disease that is especially threatening to rosebushes and pome fruit trees.
For detailed information on these and other tomato problems, visit the watering tomato plants article.
The cankers are occurrences of dead tissues on plants and which result from bacteria, fungi and other microbes. This disease is soil-borne and affects a variety of plants including roses, apples, cherries, raspberries, etc.
This is an image of a much later stage in the development of a bacterial disease (bacterial spot of malanga).
The University of Minnesota explains that there are more than 160 species of plant bacteria, each with its own growth rate. Plants that are infected with bacterial leaf spot will develop dark-colored, water-soaked spots that are accompanied by encasing yellowing halos. This disease lies dormant in the plant and in decomposing matter that lies around the plant.
The wet-dry-wet-dry cycle disrupts the plant's ability to take up calcium, which makes the leaves curl up and get leathery.
This is because reduction in the yield of crops affect the entire economy based on agriculture.
Manifestation of these infections can be observed in the form of different kinds of diseases.
Flowers, leaves, and twigs of the affected plants produce less amount of chlorophyll and thereafter browning takes place. Signs observed in this disease include the following: gray spots, cracking of leaves, brownish yellow leaf borders, etc. It is difficult to completely cure or reverse back the spread of bacterial diseases mentioned above. These diseases are quite harmless in their initial stages, however, they do have the potential to cause death of the affected plant; it is therefore, necessary to take timely action for controlling the disease.
While some bacteria will quickly overwhelm your plant, others will slowly ravish your plant. Still, the University of Maine Cooperative Extension explains that crown gall disease can infect more than 140 genera of plants and trees. These include tomato leaf roll, blossom end rot, and catfacing, and they are covered in detail in the article on watering tomato plants.
Tools and implements used for various agricultural works carry the disease causing bacteria from one field to another. Right thing to do is therefore, preventing the disease from spreading further; one can think of preventing bacterial diseases by the use of resistant plant varieties.


The different diseases caused by bacteria in plants can be controlled with proper management.
While fungi cause about 85% of plant diseases, bacteria cause some that are the most difficult to control.
The spots look like drops of water and are caused by water accumulation in tissues as a direct result of bacterial attack. It enters the natural openings of the plant through its twigs and branches and is often transported by insect and honey bee bites. The facts given below should raise our understanding about the diseases caused by bacteria in the plants. Fire blight is one such disease found in pear and apple plants; Erwinia amylovora is the bacteria that causes fire blight. A white colored substance oozes out of the affected plants and spreads on the surface of fruits. Following the quarantine specifications or guidelines also is one of the ways to prevent the spread of bacterial diseases. This is especially true in Florida, because bacterial diseases are most intense in warm, humid, rainy environments. To properly diagnose bacterial wilt, a horizontal cut was made in the lower stem and the cut stem immersed partway in water. However, bacterial diseases do take advantage of your plant’s natural state, entering the plant through its natural and man-made wounds and opening, such as with pruning cuts, cracks and stomata. Bacterial leaf spot is a common nuisance of citrus and stone fruit trees and vegetables, as well as other indoor and outdoor foliage plants. As the galls age, they develop into hardened, discolored galls that eventually slough off to make room for new, secondary galls. Trees and plants that are infected with fire blight will display tan-colored, bacterial ooze near the points of infection. The bacterium called Xanthomonas populi is responsible for canker development in poplar, a deciduous plant.
The gall disease is treated or controlled with the use of both chemical and biological methods. The Buzzle article about plant diseases caused by fungi should also prove to be useful for the readers.
Use of chemical pesticides is amongst the commonly used measures for treatment of bacterial diseases.
Within a few minutes, copious amounts of bacterial exudate emerged from the cut end, forming the white streamers you see in the water. These formations inhibit the plant’s ability to transport nutrients and water throughout the plant.
The University of California explains that the foliage and flowers of the plant are generally first to show signs of infection.


To prevent the fire blight disease from spreading further, chemicals like terramycin can be used.
Antibiotics like streptomycin and oxytetracycline are useful in controlling the growth of pathogenic bacteria. This only occurs with bacterial wilt and not with any other type of pathogen or abiotic cause. However, the potential for bacterial leaf spot can be reduced by keeping the area free of decomposing debris and watering your plants at soil level. This lack of transport results in the plant’s loss of vigor which is also accompanied by growth stunt and branch and twig dieback.
Later on, the disease spreads to other parts of the plant; finally, the whole plant wilts and dies. Use of resistant plant varieties should help in overcoming the problem of brown spot disease.
The biological method of control is that of inoculating the cuttings and new transplants with bacteria which compete for growth with the pathogenic ones. Bordeaux mixture is an age-old chemical pesticide used in the treatment of bacterial diseases of plants. It is virtually foolproof and should be in the diagnostic arsenal of every master gardener. Planet Natural explains that the spread of bacterial leaf spot can be controlled with a copper-based fungicidal spray if applied at first signs of infection.
Crown gall disease is a soil-borne bacterial disease for which there is no cure and the disease can thrive in the soil for several years without a host.
Unlike many diseases, vigorously growing trees are more susceptible to fatal infections than slow-growing ones.
The University of California explains that is because the spread of fire blight is directly related to the growth of the tree. Using the varieties of cucurbits plants less susceptible to bacterial wilt is the only way in mitigating the problem. Fire blight can be controlled by pruning away the diseased and infected areas of the plant. The pruning should be completed with sharp, sterile pruning shears that are sterilized between each cut. The potential for fire blight infections and repeat infections can be reduced by applying a copper-based fungicidal spread several times throughout the year.



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