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Decomposition or rot is the process by which dead organic substances are broken down into simpler organic or inorganic matter such as carbon dioxide, water, simple sugars and mineral salts. The process is a part of the nutrient cycle and is essential for recycling the finite matter that occupies physical space in the biosphere .
Bacterial soft rot on taro (Colocasia esculenta) Bacterial soft rots are caused by several types of bacteria, but most commonly by species of gram-negative bacteria, Erwinia, Pectobacterium, and Pseudomonas. It is a destructive disease of fruits, vegetables, and ornamentals found worldwide, and affects genera from nearly all the plant families.
It is a very economically important pathogen in terms of post-harvest losses, and a common cause of decay in stored fruits and vegetables. Decay caused by P. carotovora is often referred to as "bacterial soft rot" though this may also be caused by other bacteria. Most plants or plant parts can resist invasion by the bacteria, unless some type ...
The distinction between these terms is crucial because waste management confusion leads to improper disposal of materials by people on a daily basis. Biodegradation technology has led to massive improvements in how we dispose of waste; there now exist trash, recycling, and compost bins in order to optimize the disposal process.
Some bacteria are responsible for the spoilage of food. When bacteria breaks down the food, acids and other waste products are generated in the process. [2] While the bacteria itself may or may not be harmful, the waste products may be unpleasant to taste or may even be harmful to one's health. [3]
Cooling preserves food by slowing down the growth and reproduction of microorganisms and the action of enzymes that causes the food to rot. The introduction of commercial and domestic refrigerators drastically improved the diets of many in the Western world by allowing food such as fresh fruit, salads and dairy products to be stored safely for ...
Energy flow is a unidirectional and noncyclic pathway, whereas the movement of mineral nutrients is cyclic. Mineral cycles include the carbon cycle , sulfur cycle , nitrogen cycle , water cycle , phosphorus cycle , oxygen cycle , among others that continually recycle along with other mineral nutrients into productive ecological nutrition.
A study conducted in the New York City retail market found that the majority of culls due to disease were caused by Rhizopus soft rot (approximately 2% decay in survey). [3] Anecdotal reports suggest that Rhizopus soft rot is unpredictably sporadic and generally results in heavy losses to entire shipments when it does occur.