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What are the methods for controlling aphids on flowers in spring and summer?
How do you control aphids on flowers in spring and summer? Please explain the methods. Many aphids, every year in the spring and summer period, like to gather densely on the young leaves, young shoots, young stems, buds, flower buds and corollas of Chinese roses, chrysanthemums, hibiscus and so on, causing damage. They use piercing-sucking mouthparts to absorb large amounts of sap from plant tissues, causing a lack of nutrients in the flowers, making the roots, stems, leaves, flowers and flower buds of the affected parts grow slowly or stop growing, and in severe cases causing the whole plant to wither or die.
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What pesticide gives good control results against corn borers?
Which pesticides can control corn borers? Please introduce in detail. For corn borers, the following methods can be used for control: At the funnel stage of corn, broadcast Miral (isofenphos-methyl) into the funnel, at a rate of 1 kg/mu. During the ear stage of corn, the chemical irrigation control methods include: pouring chemical solution into the tassel: 25% bisultap aqueous solution at 500 times dilution...
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What pesticide is effective for controlling rice stem borer larvae?
What pesticide should be used to control rice stem borer larvae? For controlling rice stem borer larvae, you can use 30 to 40 ml of 5% fipronil suspension concentrate per mu, or 120 to 150 ml of 20% triazophos emulsifiable concentrate plus Tianda 2116. When using chemical control, maintain a 3 to 5 cm deep water layer in the field and let it dry naturally. Click to get more insecticide...
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When is the best time to control corn borers?
When is the best time to control corn borers for the best results? Please give guidance. Corn is vulnerable to pests from emergence to maturity, and to achieve high quality and high yield of corn, proper pest control is very important. Especially for the damage caused by corn borers, one must not be careless. Corn borer, also called stalk borer, is a relatively...
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How should corn borers be controlled? A detailed explanation of control methods
How should corn borers be controlled properly? Please explain the methods. Corn borers can be controlled by referring to the following methods: Controlling corn borers at the corn whorl stage: for fields with a damaged-leaf rate of 10%, carry out full treatment at the end of the whorl stage; where the damaged-leaf rate is below 10%, selective treatment may be done as appropriate; where the damaged-leaf rate exceeds 20% or there are more than 30 egg masses per 100 plants, treat once at the mid-whorl stage and once at the end of the whorl stage respectively...
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What are the causes of corn borer outbreaks?
What are the causes of corn borer outbreaks? Please explain. The causes of corn borer outbreaks are as follows: (1) Insect population base: the size of the insect population base from the previous generation is an important factor affecting the severity of corn borer damage. A large insect population base, under suitable environmental conditions, often causes severe damage. ...
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What is the rice stem borer (Chilo suppressalis)? Detailed control methods
What is the rice stem borer and how to control it? Please provide an introduction and control methods. The rice stem borer, also known as the stem maggot, is distributed in rice-growing areas across both southern and northern China. Its hosts include rice, corn, sugarcane, foxtail millet, broad bean, water bamboo, sorghum, rapeseed, wheat, Chinese milk vetch, and others. In recent years, damage from this pest has remained severe....
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How to Identify Pesticide Residues on Vegetables? These Methods Are Very Practical
How to Identify Pesticide Residue Levels on Vegetables
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What are the common questions about purchasing and using pesticides?
Common Questions About Purchasing and Using Pesticides
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What are the common pesticides that are prohibited or should be used with caution on fruit trees?
Some common pesticides that are prohibited or should be used with caution on fruit trees
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