Treatments For Mosaic In Beans: Causes And Types Of Beans Mosaic
The following are some of the treatments that have been tried or tested. They may not work for all types of beans, but they will certainly help with some types of beans. If you’re having problems with mosaic in your garden, then these treatments might help you out.
1) Spraying With Insecticide – There have been many studies done on spraying with insecticides.
Some of them say it works well, while others say it doesn’t work at all. You’ll need to do your own research and decide which one is best for you. Sprayings with insecticides usually don’t last long enough to kill the mites, so they just come back again and again until they die off completely from the sprayings.
2) Drying Out Your Plants – Another way to get rid of the mites is to dry out your plants.
This isn’t very effective though because the mites only live for a few days after being sprayed, and if you let them grow too much longer than that, they start reproducing again. Soaking your plants in water before putting them into the sun is another method of killing the mites. And don’t worry, the plants will dry out just fine on their own given enough time.
3) Using Fish Oil Concentrate – A great way to get rid of the mites is by pouring some fish oil concentrate on your plants, especially the leaves and stem.
This chemical has a very pungent odor that kills most bugs and mites pretty quickly.
4) Using A Neem Oil – Thankfully, there’s a whole line of natural treatments that can help get rid of the mites.
A lot of these are still in the experimental stages, so be sure to test them out first before using them on all of your plants. One such treatment is the neem oil, which you can buy from most garden supply shops.
5) Using A Flame Weeder – This is probably the quickest way to get rid of the mites.
All you really need is a can of butane and a lighter. If you’re going to use this method, just make sure that your plant isn’t going to catch on fire. This is good for just single plants that are very infected with the mites, but it’s a pretty risky process so be careful when using it.
You can also find other types of oil in a spray can that you can use for the same purpose. These oils work by suffocating the mites and their eggs when sprayed on the leaves and stem of your plant. If the oil does get on your plants, then you need not worry because it won’t cause any permanent damage. It’s allnatural and non-toxic.
6) Using A Hose – This is probably the simplest and easiest way to get rid of the mites.
Just turn your hose on high pressure and blast away at the pests and their eggs. Make sure you direct the spray exactly where you want it though, because you don’t want to accidentally spray something else instead. It’s also good to do this early in the morning or in the evening when it’s not so hot out. You wouldn’t want to overdry your plants!
You can also use a powerful stream of water in a sink to blast away at your plants. The only problem is you have to be very careful to not damage your plants with the force of the water. Or if you just want to give your plants a refreshing wash, go right ahead and give them a nice bath!
There are also many types of oils that you can use to stop the mites from climbing up the stems. One of the most common and easy to use oils is vegetable oil. It’s completely harmless to humans and most animals, but it has a very foul taste that the mites can’t stand. If you’re going to use this method, just be sure to heavily coat the stems with vegetable oil so that the mites won’t be able to climb up your plants.
Keep in mind that this won’t kill the mites, it will just stop them from coming up to your plants. Also keep in mind that this can lead to other problems such as bees having a hard time reaching the flowers.
Natural Pesticides To Avoid
There are many different types of natural pesticides to choose from. While most of these work pretty well, you need to be very careful when using them. Just because these are all natural, that doesn’t mean that they’re not as harmful. Some of them can be extremely dangerous to humans and animals.
It’s always a good idea to wear the proper safety gear when handling any chemicals, whether they’re natural or not. Always make sure to read the labels and follow all safety precautions.
There are many commercial pesticides that contain pyrethrin, so be careful when using any type of spray that you aren’t harming your plants in the process.
Also, just because a pesticide is natural doesn’t mean that it’s safe. Some of these can kill your beneficial insects and are just as bad for humans and animals as synthetic ones. Always be sure to follow the proper guidelines when handling and applying them.
Some common natural pesticides are: sulfur, iron phosphate, neem oil, bacillus thuringeniensis (BT), and horticultural oil.
Sulfur – Sulfur can be used as a fungicide to get rid of mites that are harming your plants. It can be harmful to plants when used in high concentrations, so you don’t want to overdo it. To use, just mix together sulfur and water and apply every two weeks to your soil.
Neem Oil – This is a great pesticide that is completely non-toxic to humans and animals. It is a great repellent and also works as a desiccant. This means it will dry out the mites more than it will harm the plants. To use, just mix together with water according to the directions on the package and spray plants thoroughly.
Bacillus thuringeniensis – Also known as BT, this bacteria can be used to kill off caterpillars. It can be purchased in a powdered form and when mixed with water and applied to your plants, it can ward off many types of caterpillars. Be careful though, this won’t work on all types of caterpillars and can even harm beneficial insects such as bees and butterflies.
Horticultural Oil- These oils are very effective at killing insects such as mites, but it can take up to two weeks for it to be effective. One major benefit is that it doesn’t harm human or animal life and can even be eaten without harm. This is a great alternative for people who want to avoid chemicals. To use, just thoroughly drench the leaves and stems with the oil.
Tip – The best time to kill mites on your plants is right after you’ve watered them. Most of the time mites like to hide in the soil, so if you water your plants and then spray them with a mixture of oil and water, you can get rid of most of the mites that are in the soil.
There are many other pesticides that you can use, but these are some of the more common and more effective ones. No matter which pesticide you choose to use, it’s best to apply them in the early stages of infestation. The longer you wait, the more mites have had time to breed and the more pesticides it’s going to take to get rid of them.
Just like any other type of pest, mites can quickly become a major problem if they are left unchecked. Be sure to monitor your plants for signs of mites or eggs and take immediate action to stop an infestation. If you see mites on your plants, be sure to double check nearby plants as well, because it’s very possible that they are nearby and you just can’t see them yet.
Most importantly, be sure to keep your grow room clean! A cluttered and dirty room is the perfect breeding ground for all types of pests. Keeping things clean will make it harder for pests like mites to breed and easier for you to notice them.
Do your research! There are many different kinds of mites. Some are more resistant to certain pesticides than others. Before using a certain pesticide, make sure to look up how effective that kind is on the particular type of mite that you are dealing with.
Garden Safe Yard & Garden Spray
This spray has acaricide, which is very effective at killing mites that have infested your outdoor plants or flowers. To use this spray, just thoroughly coat the plant that has mites on it. Reapply after a rainstorm.
This is an insecticide that can be used on your marijuana plants to kill mites if nothing else seems to be working. You should only apply it though to the areas where the mites are and not the whole plant, because it is harmful to humans as well.
Thanks for reading!
A Brief History of Pesticides and You
You’ve probably noticed that in recent years, the use of pesticides has become a hotly debated and controversial issue. Many people believe that large amounts of pesticides are dangerous to humans and our environment. Large companies argue that the small amounts that end up in our food and water are nothing to worry about.
Well, both of them actually… and neither. It really just depends on the situation and it’s not necessarily a black or white issue.
A Little Bit of History
Before World War II, the first real pesticides were invented. These early pesticides were called organochlorines and they worked by disrupting the sodium channel mechanism in insects, causing paralysis and death. These early pesticides had serious drawbacks though. Many insects became resistant to these chemicals after repeated exposure.
Even worse, these chemicals bioaccumulated (built up in the tissues) and they remained in the environment for a long period of time. These early pesticides were also fat-soluble, meaning that they could be absorbed by animal and human tissue.
Due to these drawbacks, during the 1940s scientists worked to develop new and better pesticides that had fewer drawbacks. They succeeded when they created a new type of pesticide called the organophosphates (OPs). OPs work by disrupting the enzyme that helps breaks down a neurotransmitter (chemical that carries signals across nerve cells) called acetylcholine. Because they became popular so quickly and were so “effective,” these OPs are the type of pesticides you’re most likely to have a great deal of built up in your body right now.
The primary insect that these OPs affect is the nervous system which results in quick death of the insect. In fact, OPs are so deadly that they were used in chemical warfare (sarin gas).
These pesticides became very popular in the 1960s. Many different types of OPs exist and continue to be made such as the herbicide Parathion. These days, the most popular OPs are known as the Carbamates. The most popular carbamate is a pesticide called Sevin (or Carbaryl).
So Why Are Pesticides Controversial?
Well, these OPs are non-discriminating; they kill any insect, whether it’s good or bad. Most of the “good” insects we want to keep around (bees, butterflies, etc) are killed by the OPs used in pest control. Even worse, many different animals including people and pets have died from direct pesticide ingestion. Children in particular seem to be at risk for pesticide poisoning.
Even worse, the OPs and other pesticides are extremely toxic to our environment. Even at low levels, these chemicals can kill fish and other aquatic life. These chemicals get into the ground and waterways and are absorbed by plants. In fact, because of the way that OPs work, scientists have actually used them as weed killers on very tough weeds.
Due to these problems with poison contamination, different states have different laws about how you can use these pesticides. For example, in California you can only use pesticides under the supervision of a licensed private applicator. Even worse, California doesn’t allow the use of any OPs (such as Sevin) in any capacity.
Other less dangerous pesticides have been created, but they aren’t as effective at killing insects and therefore require much greater quantities.
So What Can You Do?
Obviously if you’re a responsible homeowner, then you should keep your house clean and follow the instructions of your pest control professional.
But what if you don’t have the time or money to constantly do this? What can you do to limit your and your family’s contact with these poisons?
The first thing to do is to try to encourage good “housekeeping.” This means keeping your house as clean as possible on a regular basis. It’s also a good idea to throw out or give away any food that you don’t plan on eating (or giving away) soon since these items will just serve as food for the insects.
Second, if you have children or pets, it’s best that they don’t come in contact with any pesticides since they are more susceptible to the negative effects of poisons. If your children are of school age, it might be a good idea to have them stay with a friend or family member during the time that the fumigation is taking place.
Third, if you DO have people living in your home during the fumigation process, you should advise them not to wear clothing that they don’t want to get dirty or stained.
Sources & references used in this article:
Protective action of salicylic acid against bean yellow mosaic virus infection in Vicia faba leaves by DEM Radwan, G Lu, KA Fayez, SY Mahmoud – Journal of Plant Physiology, 2008 – Elsevier
Isolation and partial characterization of a geminivirus causing bean dwarf mosaic. by F Morales, A Niessen, B Ramirez, M Castano – Phytopathology, 1990 – apsnet.org
A strain of cucumber mosaic virus, seed-transmitted in beans by L Bos, DZ Maat – Netherlands Journal of Plant Pathology, 1974 – Springer
An unusual viruslike particle associated with golden yellow mosaic of beans. by RM Goodman, J Bird, P Thongmeearkom – Phytopathology, 1977 – cabdirect.org
Characterization of a potyvirus that causes zucchini yellow mosaic. by V Lisa, G Boccardo, G D’Agostino, G Dellavalle… – Phytopathology, 1981 – apsnet.org
Metal-free southern bean mosaic virus crystals. by I Rayment, JE Johnson, MG Rossmann – Journal of Biological Chemistry, 1979 – ASBMB
RNAi-Mediated Resistance to Bean golden mosaic virus in Genetically Engineered Common Bean (Phaseolus vulgaris) by K Bonfim, JC Faria, EOPL Nogueira… – Molecular Plant …, 2007 – Am Phytopath Society
Purification and crystallization of southern bean mosaic virus by WC Price – American journal of botany, 1946 – JSTOR
Bean golden mosaic geminivirus type II isolates from the Dominican Republic and Guatemala: nucleotide sequences, infectious pseudorecombinants, and … by JC Faria, RL Gilbertson, SF Hanson, FJ Morales… – Phytopathology, 1994 – cabdirect.org