What is mineral oil?

What is mineral oil? What does mineral oil do? Please also understand the netizens to help make a detailed introduction Mineral oil refers to natural source pesticides distilled and refined from petroleum according to different boiling points and viscosities. Common mineral oil has 94%, 95%, 99.1% emulsifiable concentrate products. The following network lists in detail the role and use of mineral oil for netizens 'reference. The role of mineral oil: Function 1: Mineral oil mainly forms oil film on the insect body, and enters the stomata of eggs, larvae, pupae and adults through capillary action, suffocating insects and mites, thus not producing resistance to pests. Function 2, mineral oil can penetrate the egg shell of pests, interfere with the metabolism of eggs and respiratory system, kill eggs for the control of whitefly, whitefly, diamondback moth and other outbreak pests. General herbivorous insects and mites will only feed and lay eggs on certain plants. They use their antennae, mouthparts, feet or abdominal sensory organs to detect the chemical substances of the host plant and thus identify the plant. When the oil film covers the sensory organs and plant surfaces, the insects cannot identify the host plant, thus reducing the feeding and laying of eggs by pests on the host plant. Mineral oil can destroy the cell wall of the pathogen, interfere with the respiration of the fungus, and it also interferes with the attachment of the pathogen to the host plant. Spray oil not only controls mycelium, but also prevents spore germination and infection more effectively. In the control of powdery mildew, oil has the effect of eradication and protection through the most basic physical contact, and the effect is stable when the temperature is low. The spores of powdery mildew will die after a moment of contact. Therefore, mineral spray oil has been widely used for powdery mildew control. 5. After mineral oil is applied, the oil film seals the sensory organs of pests so that pests cannot identify parasitic plants, thus achieving repellent effect; the oil film sprayed on crop leaves can repel pests from laying eggs and feeding, and the effective period can be as long as 14~30 days; at the same time, mineral oil can interfere with the respiration of fungi and suffocate pathogens. Mineral oil can be mixed with chemical pesticides, which can improve the adhesion of liquid medicine and assist pesticides to penetrate the waxy layer on the surface of plants, thus increasing the effect of chemical pesticides. Mineral oil can enhance the penetration of pest cuticle, maintain the stability of chemical pesticides sprayed on plants, and reduce volatilization and droplet drift. For example, when mixed with avermectin, it improves osmotic transfer, increases retention time on crops, and thus significantly increases efficacy. It also increases the efficacy of killing eggs. It is suitable for controlling leaf miner, psyllid, whitefly and lepidopteran pests. Use of mineral oil: 1. Evergreen fruit trees such as citrus and waxberry are sprayed with mineral oil 500-600 times in winter and early spring (citrus before germination and waxberry before flowering) and tea trees in autumn. 2. Spray 500-600 times solution of mineral oil on deciduous fruit trees such as peaches, pears, plums, apples and grapes after pruning in winter and before germination in spring. Third, if the disease, pest occurrence serious loss of orchards or tea gardens, the use of mineral concentration available without 250-300 times the liquid spray, in the spray requirements of fine spray, crown up and down, inside and outside the spray thoughtful, until the branches and leaves dripping is best. Fourth, for the prevention and control of lichen disease, gum disease, carbon disease and bacterial perforation disease, etc., can be used to spray mineral oil 300 times liquid on crops for control. For the control of rose or tomato powdery mildew, 0.3% mineral oil can be sprayed once every ten days. Mineral oil considerations: 1, mineral oil to avoid the use of flowering plants, flower buds and flower buds in the application should be careful to prevent phytotoxicity. 2, mineral oil to avoid the use of high temperature above 35 ° C, so as not to produce phytotoxicity. What is the role of chlorothioate benzamide in trichlorfon