Defining and Preventing Root Rot in your hydroponic Garden

Root rot is a common yet unwelcome pest in any hydroponic garden. This fungus-like organism Pythium has many species. The three most common species of this organism are Pythium irregulare, Pythium aphanidermatum, and Pythium ultimum. These species of Pythium can be found in water sources as well as in soil. Pythium aphanidermatum is most commonly found in Poinsettia plants and few other plants.

Pythium aphanidermatum and Pythium irregulare cause the most damage in ebb and flow systems because the organism has a swimming spore stage that can attack your plants quickly. Pythium ultimum is most closely associated with soil and sand though it is not as prevalent as the other species of this organism.

The Pythium organism is found in pond and stream water as well as the sediment from these sources. The organism can also be found in soil and sand as well as in the dead roots of plants. Pythium can also be introduced to your plants through dirty gardening tools, can be carried by pets walking into your growing room and by being carried by the fungus gnat and shorefly.

Symptoms of root rot include stunted plant growth, plants that turn yellow and die, wilted plants that recover at night, root tips that are brown and brown tissue on the outer portion of the root that can be pulled away exposing plant tissue.

Treating the disease is harder than preventing it. Prevention methods include treating pond or other untreated water before you use it to irrigate your plants. It is especially important to filter untreated water to avoid getting sediment into your irrigation system. Slow sand filtration systems have been shown effective in controlling this organism. Other water treatment plans include heating the water, the use of ultraviolet light, ozonation or chlorination, all of which can stop the organism before it attacks your plants.

It is important to keep all things within a grow room clean to prevent infection from this organism. Benches, tools, equipment, reservoirs and floors should all be cleaned periodically to avoid contamination. Keep pets out of your grow room to prevent contamination as they can track the organism in on their paws and leave it on your floors and benches where it can be carried to other items in your grow room.

Biological agents may be applied to containers prior to planting in grow rooms and green houses that have a history of the Pythium organism invading the water supply. Biological agents and fungicides will have to be applied more than once to contain this organism. Common chemicals that can help treat this organism include etridiazole, etridiazole + thiophanate methyl, fosetyl-Al, mefenoxam, metalaxyl and propamocarb. Biological agents that can help control this organism include Gliocladium, Trichoderma, Bacillus and Streptomyces.

Many hydroponic gardeners never have to deal with root rot in their grow rooms or greenhouses, especially if the water to their plants is already chlorinated. Those gardeners that collect water from other sources or have untreated well water should have their water checked or treat it themselves before they use it to irrigate their plants. Many plants will be lost if they are infected through an irrigation system.

After a greenhouse or grow room has been infected, the plants will need to be destroyed. Affected plants cannot be composted because the organism lives within the roots of the dead plants. Greenhouses and grow rooms will have to be treated chemically to remove any traces of the organism, especially in all areas that the water came in contact with. Garden tools can be cleaned with alcohol. Before any new plants are introduced to your treated hydroponic garden, the water treatment plan should be changed accordingly to a system that will prevent the organism from entering the irritation system at any time in the future.

Paul Lavakis has been an avid gardener and since discovering Hydroponics has been a experimenting and evaluating the best ways to grow almost any fruit or vegetable without soil For More Informations Please Click Below

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The Troubles that High Temps Can Have on your hydroponic Plants

High temperatures in your hydroponics system can cause many problems for the plants being grown. The temperature within your hydroponic system should be maintained at a level where plants are able to survive. A high nutrient temperature can cause your plants many problems. If the temperature becomes too high, it’s advisable to use an extractor fan to reduce them, but it’s not a good idea to rapidly cool the environment. Plants don’t like fluctuations in temperature, and practices such as this could kill plants. The extractor can be linked to a thermostat to ensure that the room never reaches the high temperatures again. High temperatures can have a negative growth affect on many of your plants.

Temperature of the nutrient solution should be in the range of 65 to 80 degrees. If you’re going to add water to your reservoir, then it’s a good idea to allow the water to come to the same temperature as the water in your reservoir. Rapid temperature changes will cause greater problems for the plant, when they occur in the root zone. High temperatures can cause your plants ability to evaporate water to slow down. The evaporation of water through the leaves keeps the plant hydraulically pumped, and causes a temperature drop in the plant. When evaporation slows the plant’s temperature can get too high and will destroy the plant quickly, because the temperature will already be at the upper limit.

High temperatures can also cause oxygen starvation within your hydroponic plants, as the temperature of your nutrient solution increases its ability to hold dissolved oxygen decreases. At high temperatures there is less dissolved oxygen available for your plant’s root system to absorb, than at temperatures below 85 Fahrenheit. Also, the requirement of the plant’s root system for oxygen at hotter temperatures is much greater than at cooler temperatures due to an increased rate of root respiration. High temperatures mean a high oxygen requirement from the plant’s roots, but nutrients can only hold a limited amount of dissolved oxygen at saturation.

High temperatures can also root disease pathogens. When experiencing high temperatures plant roots can become highly stressed. Your plant’s root stress can slow the development of new roots, resulting in reserves inside the root tissue to be burned up during respiration faster than they are accumulated. The plant stress also makes the plant’s root system more susceptible to disease attack. Nutrient temperature should be monitored regularly, and it is vital to ensure that air machines are not blasting hot air into the solution and cooking your plants’ roots.

High temperatures cause oxygen starvation, which causes plant stress and plant wilting. Injury from oxygen starvation in the root zone can take many forms and the injuries will differ in severity between species. When the temperature is high and the plant is oxygen starved, wilting will occur. Wilting is the first sign of oxygen starvation. Oxygen starvation reduces the permeability of your plants’ roots to water and causes accumulation of toxins. Therefore water and minerals cannot be absorbed in sufficient quantities to support plant growth, particularly in stress conditions. The wilting is accompanied by slow rates of photosynthesis and carbohydrate transfer, so plant growth is slowed and yields will decrease. If oxygen starvation continues, mineral deficiencies will begin to show, roots will die, and plants’ growth will be stunted. If high temperature conditions continue, then root deterioration will occur, and pathogens such as Pythium will take hold and rapidly destroy the plants. It is important to control your plants’ temperature, by monitoring the temperature of the plants’ environment and the temperature of your nutrient solution.

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Aquaponics – hydroponic’s First Cousin in the Gardening World

Many people may have heard about aquaponics and hydroponics, but not really understood what the difference between these two terms is, or even what they mean to the world of gardening. Hydroponics, which is a Latin term meaning “working water,” is the growth of plants without soil which involves supplying all of the nutrients usually supplied by soil to plants via water. Aquaponics combines the breeding of fish in a controlled environment with hydroponic plant growing – the plants and the fish are bred together in one integrated system, which benefits both of them. The plants and fish come together to create a sustainable, healthy ecosystem for food production, which leads to increased output of both plants and fish, as opposed to fish farming or hydroponic gardening independently.

Aquaponics solves a problem that consistently faces fish farmers and hydroponic gardeners. The water that farmers use to breed their fish contains an extremely high level of nutrients, due to the fish excrement in the water. Normally, this water is simply discarded because there is no good application for it; a huge waste in a world where people are starving because of an inability to grow food. Hydroponic gardeners face the opposite problem. They are always in need of nutrient rich water for their plants, and hydroponic nutrient solutions are expensive. Aquaponics brings the nutrient rich water of fish farmers together with nutrient starved hydroponic plants, creating a cheap, all natural solution to the problem of hydroponic nutrient mixes.

This solution does not only work well for the plants. Aquaponics also helps breed healthier fish, because the plants create a natural filter for the fish. The plants help mimic the ecosystem of the lakes and streams where these fish grow naturally, thus creating a larger output of fish than fish breeding alone.

All kinds of plants and fish have been successfully grown in aquaponic systems. Hypdroponic lettuce, herbs, flowers, and even melons and grapes have been grown in this manner. Fresh water fish like tilapia and bass are favorite species of fish bred using this method.

Another benefit of aquaponic growing is that is saves space. Plants can be placed much more closely together than in traditional hydroponic gardening – in fact, the more densely the plants are planted, the better the fish breed – significantly increasing output. Additionally, plants can be grown year round using aquaponics, which is important to people who live in climates not conducive to growth. The end output of these growth systems is truly organic, unlike more traditional hydroponic systems. Because of the fish, pesticides cannot be used.

Aquaponic farming is a great way to conserve water, as well. It uses significantly less water than traditional fields, and even less water than traditional hydroponic systems. The water that is used in aquaponics is used to it full potential; it provides a habitat for fish while at the same time providing a nutrient rich water source for plants. This dual use of resources is important to environmental activists.

Research into aquaponics began in the 1970s, but it is only now beginning to catch on commercially. There is research into this system happening in the agricultural departments of major universities in hopes of making aquaponics even more commercially viable. Novice and amateur gardeners can also use aquaponics at the home in their own gardens. All you need to get going is a food plastics grade fish tank (any other kind of tank will leak chemicals from the plastic into your food). A number of resources can be found online to help gardeners set up their own aquaponics system at home.

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Quick Results for your hydroponic Vegetables and Flowers

Have you ever wanted a garden that would produce beautiful flowers and delicious fruits year ‘round? You can if you create a hydroponic garden in your home.

A well-balanced nutrient solution for your hydroponic garden is the key to success. The nutrient solution circulates around the roots of your plant and the formula will either make your plants happy and fruitful or kill them. The perfect level must be found for the plants you are trying to feed. The pH level for plants determines what type of nutrient solution that they need. Acid loving plants need a pH level below 7 while other plants need a level above 7 to achieve optimal growth. In addition, for optimal absorption of the nutrient solution, air must be allowed to circulate around the roots of the plants.

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Plants that are constantly waterlogged will not thrive and their leaves will eventually fall off. Nutrient solutions can be made by the home gardener or purchased pre-mixed from a variety of sources. If you are a beginning hydroponic gardener you may

want to use the pre-mixed nutrient solutions and observe their effects before you begin to make your own solutions. The basic nutrients needed in any hydroponic solution are potassium phosphate, potassium nitrate, calcium nitrate and magnesium sulfate. All of these salts must be thoroughly dissolved before being allowed to circulate around your root systems. Micronutrients are also needed for proper growth of your plants.
Boric acid, manganese chloride, zinc sulfate, copper sulfate and iron sulfate can be used in minute amounts in the nutrient solution. The nutrient solution can be used for up to two weeks before being replaced when plants are small. Once plants mature the nutrient solution should be replaced once a week.

Many people who grow their hydroponic plants in a greenhouse will also find that they need the correct amount of carbon dioxide in the air in order for their plants to flourish. The addition of carbon dioxide in these small spaces can be accomplished in several ways. Burning hydrocarbon fuels, the use of dry ice, fermentation, decomposition of organic matter and the use of compressed bottled carbon dioxide can create the correct atmosphere for your plants to grow in.

The temperature that you grow your plants in is also very important for their survival. If it is too humid for your plants the increase in respiration of the plant will decrease fruit life. A very dry climate is not good for most plants either. The ideal temperature for your plants will be between 40 to 97 degrees Fahrenheit. The actual temperature for the particular plant you are growing will vary.

For optimal growth, the amount of light your plants receive can be the difference between life and death. Too many lights can dry out your plants while too few can have your plants stretching desperately towards the lights. All plants respond differently to light depending on the intensity, wavelength and duration it receives. Many hydroponic gardeners have to experiment with different lighting to achieve the best environment for the plants that they are growing.

Air pollution can affect the growth of your greenhouse plants and must be monitored if you live in a large city. Signs of air pollution include spotting or twisting of the plant’s leaves, flower and bud fall off, and unusual discolorations as well as poor growth can signal a problem. Several ways to combat air pollution are to avoid mercury thermometers in your greenhouse, move your greenhouse away from a city or grow species that are not bothered by air pollution.

Remember, plants are affected by the following elements: air, temperature, light, water and pollution. If you take all of these things into consideration when planning your hydroponic garden your plants are sure to thrive under your care.

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