Why do biological control?
The main reasons for doing biological control were as follows: 1. The biggest advantage of biological control was that it did not pollute the environment, which was incomparable to non-biological pest control methods such as pesticides. 2. Dealing with pests: Under certain conditions, pests can cause harm to human life, production, and even survival. For example, pests and rats are a serious threat in the process of planting, breeding, processing, storage, and transportation. The impact of pests in industrial processing can cause huge economic losses. Biological control can reduce the population density of harmful organisms such as weeds and pests. 3. Use of biological relationships: Biological control uses the relationship between biological species to suppress one or another type of organism. Read more exciting novels for free
Biological Control
Biological control can reduce the population density of harmful organisms such as weeds and pests. It uses the relationship between biological species to suppress one or another type of organism. It has little environmental pollution, can effectively protect natural enemies, play a role in continuous disaster prevention, low cost, safety to humans and animals, pests are not easy to produce drug resistance, reduce the amount of chemical pesticide, save energy and other prevention and control effects. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Biological Control Information 2019
In 2019, there were many kinds of vegetable pests in the protected land. The main pests that occurred all year round were whiteflies, thrips, harmful mites, aphids and other piercing-sucking pests. The generations overlapped, the number of insects was large, the resistance was high, and the harm was serious. Occasionally, there were diamondback moths, cotton bollworms, Spodoptera exigue, Prodenia litura and other Lepidoterous pests. The cultivation environment of protected land was closed, and it was difficult for chemical pesticide to degrade and cause serious pollution. Biological control technology was an effective way to replace the use of chemical pesticide, ensure the quality and safety of vegetables, and promote green plant protection. The prevention and control goal of that year was to control and dispose more than 95% of the important pests in the protected vegetables, control more than 80% of the overall pest control effect, control the damage loss rate within 10%, and reduce the use of chemical pesticide by more than 50% compared with conventional control methods to ensure the safety of vegetable production and products. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
List of Biological Control Scholars
The following were some biological control scholars: Pu Zhelong, the founder of biological pest control in China, an academician of the Chinese Academy of Sciences, and an internationally outstanding entomologist; Zeng Sheng, also known as Zeng Shengzhi, was an agricultural entomologist, biological control scientist, and a doctor of science at the University of Leon, France. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Is the use of physical information a biological control
Based on context alone Biological control was a method of using one organism to deal with another organism. It mainly included using insects to control insects, birds to control insects, and bacteria to control insects. The use of physical information did not belong to biological control. Physical information referred to the light, sound, temperature, humidity, magnetic force, and other information transmitted through physical processes in the ecological system. For example, the vibration frequency of the spider web was a kind of physical information for spiders. This was different from the concept of biological control involving the use of biological relationships to control. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
What are the main measures for biological control?
Using the taste of pests is biological control
What are the names of the drugs for biological control?
Biological control drugs have the following names: 1. ** Antibiotic Fungicide for Agriculture **: Nong Kang 120 (Pyrimidine Nucloside Antibiotic), Tetracycins (Wuningmycins), Polyoxin (Polyoxin), Kasugamycins (Kasugamycins), Zhongsheng Mycins (Zhongsheng Mycins or Nong Kang 751), Jinggangmycins (Validomycins), Ningnanmycins (Junkeduke), Wuyimycins (Astemicins or Wuyimycins), etc. 2. ** Microbiological Pesticide **: - ** Fungicide **: B. subtils, B. licheniformis, P. fluorescence, B. cereus, T. chrysoides, B. amyloliquefacient, etc. - ** Insect pesticide **: B. thuenziengiae, Helicoverpa armigera, Spodoptera californica, Spodoptera litura, Armyworm nuclear polyhedrosis virus, diamondback moth virus, grassland caterpillar nuclear polyhedrosis virus, tea caterpillar nuclear polyhedrosis virus, cabbage moth nuclear polyhedrosis virus, short stable bacteria, spore bacteria, cockroach virus, etc. 3. ** Other biological control drugs **: Beauveria bassiana, Yi Zhida (2% lentinan water solution), etc. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
What are the biological control projects in Jing 'an District?
According to the available information, the biological control projects in Jing 'an District include: - In terms of comprehensive prevention and treatment of reproductive tract chrysanthemums, since November 2023, Jing 'an District, as the only pilot area Shanghai City, has launched a pilot project. The pilot units include Jing' an District Center for Disease Control and a number of medical institutions. Through the "3331" strategy, we will explore suitable screening and intervention strategies for women of child-bearing age, evaluate the advantages and disadvantages of different detection methods, and explore innovative detection techniques. - In terms of biological control, there was no explicit mention of specific biological control projects that were different from other districts, but Jing 'an District actively participated in the overall framework of biological control in Shanghai City. For example, in the aspect of updating the emergency response plan for the disease carrier, the establishment of a town-level emergency material warehouse for the disease carrier control was also part of the service for the work related to the disease carrier control. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Common biological methods to control viruses include
The common biological methods to control viruses were as follows: 1. ** Using pathogenic microorganisms **: For example, using pine caterpillar polyhedrosis virus to control the pest pine caterpillar. 2. ** Use of biological pesticide **: If it is used to control the virus disease caused by the mosaic virus, Ningnanmei can be used. The application method is seed dressing, root irrigation, and spraying. It can be used two to three times in a season. 3. Using resistant crops: Breeding resistant crop varieties to control pests and diseases. The resistance of crops to pests is expressed in tolerance, antibiotics, and no preference. For example, breeding potato varieties that were resistant to potato late plague. 4. ** Using the relationship between natural enemies **: For example, biological control includes using insects to control insects, bacteria to control insects, viruses to control insects, birds to control insects, spiders to control insects, hormones to control insects, bacteria to control bacteria, and so on. For example, parasitizing Pieris rapey with the use of parasitizing wasps; using predatory organisms (lacewings, ladybugs, walking bugs, chelae, amyoseius, spiders, frogs, toads, mosquito-eating fish, spearfish, and many insect-eating beneficial birds, etc.) and parasitic organisms (parasitic wasps, parasitic flies, etc.) to control harmful organisms. 5. ** Using biological agents for deep repair **: For example, for grape virus disease, using the special formula of Poisonous Leaves Greeting Green and sugar alcohol, biological control can go deep into the plant's body for deep repair. At the same time, it has the effects of nutrition regulation, detoxification and resistance. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
How to write the biological control activity plan and process?
The following are the key points for writing the biological control activity plan and process: ** 1. Target Identification ** 1. To conduct comprehensive observation and monitoring - To determine in detail the types of pests that needed to be controlled required a detailed survey of the target area (such as farmland, orchards, etc.). - Accurately count the number of harmful organisms and use appropriate sample methods, such as taking a sample of a certain area or number of plants in the farmland. - The distribution of harmful organisms, including the gathering area and the spreading area, should be determined. ** 2. Choice of beneficial organisms ** 1. Based on the characteristics of pests - Analyzing the living habits of the target pests, such as breeding cycle, feeding habits, habitat preferences, etc. - According to the characteristics of harmful organisms, suitable beneficial organisms should be selected. For example, for pests such as aphids, if there are pests that reproduce in large numbers in the field and there are abundant natural populations of natural enemies such as lacewings and seven-spot ladybirds around, these natural enemies can be considered for biological control. If it is a pest in the orchard, and there is a suitable habitat around the orchard, other predatory insects or parasitic insects can be introduced. - The beneficial organisms could be natural enemies that could prey on harmful organisms, such as aphid lions, lacewings, parasitic wasps, ladybugs, etc., or parasites that could parasitize harmful organisms. ** 3. Introduction of beneficial organisms ** 1. released directly - For example, for the natural enemies of some pests, they should be released at the early stage of reproduction or when they were young to achieve the best control effect. - Grasp the correct amount of release and calculate the amount of beneficial creatures released according to the area of the target area, the density of harmful creatures, and other factors. - To choose a suitable release site, the habitat needs and the ability to spread of beneficial organisms should be considered. For example, the release should be dispersed in farmland to avoid excessive accumulation of beneficial organisms. 2. Plant specific plants - Choose plants that are attractive to beneficial organisms, such as certain flowers that attract predatory insects. - The planting layout should be rationally planned, and these plants should be planted with the target crops or planted around them to provide habitat and breeding places for beneficial creatures. 3. provide a suitable habitat - To create a micro-environment conducive to the survival of beneficial organisms, such as setting up some artificial nests in orchards to attract birds to perch and prey on pests; to retain some weed belts in farmland or set up small wet lands to provide habitat for beneficial insects. ** IV. Monitor and evaluate ** 1. periodic monitoring - Set a fixed monitoring cycle, such as monitoring the target area every week or every two weeks. - The monitoring content included the number of beneficial organisms, reproduction, distribution changes, etc., as well as the increase or decrease in the number of harmful organisms. - A variety of monitoring methods were used, such as direct observation, trap monitoring, marking-recapture method, etc. 2. effect appraisal - According to the monitoring data, the effect of biological control was analyzed. If the number of beneficial organisms increased steadily and the number of harmful organisms decreased significantly, it meant that the biological control had achieved initial results. If the number of harmful organisms did not change significantly or increased instead, the reason needed to be analyzed. It might be that the release of beneficial organisms was insufficient, the environment was not suitable for the survival of beneficial organisms, and so on. - According to the assessment results, the management measures should be adjusted in time, such as replenishing beneficial creatures and improving the habitat. ** V. Education and Training ** 1. knowledge popularization - Inform farmers and agricultural workers about the principles of biological control activities and explain the role of interspecific relationships between organisms (such as predator, parasite, etc.) in control. - The advantages of biological control were introduced, such as being friendly to the environment, reducing the use of chemical fertilizers, and ensuring the quality and safety of agricultural products. 2. technical training - Training the identification methods of beneficial organisms so that relevant personnel could accurately distinguish beneficial organisms from harmful organisms and avoid accidentally killing beneficial organisms. - Teaching the introduction and management techniques of beneficial organisms, including release techniques, habitat creation techniques, etc. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>