Pest inspection should be done once a week. Once you identify a pest and decide to spray it, you should spray it again (with a different pesticide), every 3 to 4 days, until you see the pest is no longer spreading to near plants, or to other places in your field. The proper walking pace, …
How does a blower sprayer (fogger) increases lethality? The aim of the spray is to cover all parts of the plants from head to toe. This is done by misting, and not by showering, the plants. It is best done by creating a mist while using small nozzles that create tiny droplets. Spraying can be …
Dealing with pests is one of the most challenging tasks for farmers and gardeners alike. Pests can cause serious damage to crops, leading to lower yields and reduced quality. Moreover, pest infestations can spread quickly, making it even more difficult to control them. Using pesticides is a common way to deal with pests, but it can be expensive, time-consuming, and dangerous. Therefore, finding ways to make pesticide use more efficient and effective is essential.
Mixing two different pesticides can be a smart and effective way to control multiple pests at the same time. For instance, if your crop is facing spider mites and powdery mildew, you can mix a pesticide that targets spider mites with another pesticide that controls powdery mildew. By doing so, you can save time and money by spraying only once while also addressing two different pests.
However, it is important to be cautious when mixing pesticides. Combining too many chemicals can lead to phytotoxicity, which can cause damage to the plant’s leaves or even kill the plant. It is recommended to mix no more than two pesticides together at the same time. Additionally, it is best to mix them in a bucket with water before pouring the mixture into the sprayer tank and adding the rest of the water necessary to cover the entire crop area.
In some cases, oils are added to pesticides to increase their lethality against insects. Special oils like Neem oil, Mineral oil, or Paraffinic oil can be used in combination with insecticides to improve their effectiveness. It is also acceptable to mix insecticides with fungicides or two different types of fungicides.
In summary, mixing two different pesticides can be an effective way to control multiple pests and save time and money. However, it is important to be cautious and avoid mixing too many chemicals together to prevent phytotoxicity. By following the proper procedures and guidelines, farmers and gardeners can more efficiently and effectively manage pests in their crops.
Alternaria alternata This is a fungus attacking many different crops. In tomatoes it is called early blight. Its symptoms are round concentric leaf spots that look like dark, water-soaked lesions on the leaves. These lesions may expand and become brown or black, with a concentric ring pattern. In severe cases, the lesions can merge and …
Combatting Early Blight: Understanding and Treating Alternaria Leaf Spot in Tomatoes Read More »
It’s an olive brown fungus, which inhabits the lower side of the leaves. On the upper side appear yellow spots. If not taken care of, these leaves will drop off. It is recommended to use at least 4 kinds of different pesticides, and alternate between them every 3 days, in order to overcome pest’s resistance, …
What is that white powder on plants? It’s a white colored fungus. Its name is powdery mildew. Powdery mildew appears as a white or grayish powdery coating on the leaves, stems, flowers, and fruit of plants. The powdery substance is actually made up of fungal spores. Powdery mildew is a common disease that can …
How to Identify and Treat Powdery Mildew on Plants: Chemical and Organic Solutions Read More »
Downy Mildew is a fungus attacking cucumber, melon, pumpkin and squash, severely. Downy mildew is characterized by the presence of small, angular lesions on the leaves of plants. These lesions may initially appear yellow, but they will eventually turn brown or black as the disease progresses. Downy mildew may also cause a fuzzy or powdery …
Also called Phytophthora infestans, it is a dangerous fungus which attacks mainly tomato and potato. It spreads very fast. Attacking leaves, fruits and stems. It appears when humidity is high. The first symptoms are white powder and black veins on the lower side of the leaves. If you are using head irrigation with sprinklers, you …
Also called botrytis, it’s a gray colored fungus which attacks many crops. It is characterized by a gray or brownish fuzz that appears on infected plant parts. It can infect fruits, leaves and stems. It Most often damages injured tissues of plants and creates a gray and velvety layer of spore tissue on the parts …
A good way to find a pesticide according to the active ingredient, is to go to your favorite agriculture supply store, and ask the seller for the pesticide containing this active ingredient. If the seller doesn’t know, you can show him the pest and ask him to show you all the pesticides used against it, …
