CATDOLL : CATDOLL: Is the wild herbicide harmful to fish and shrimp? What will happen to the human body if we eat fish?

1. Is the wild herbicide harmful to fish and shrimp? What will happen to the human body if we eat fish?

Wild herbicide is highly toxic, so it will definitely have an impact on fish and shrimp. In severe cases, it may cause the death of fish. In addition, the fish meat will absorb the drug toxins. If people consume it in large quantities, it may cause chronic poisoning and harm their health.

2. Will it be harmful to shrimps and crabs if it rains ten hours after applying glyphosate herbicides?

Glyphosate herbicide is harmful to shrimp and crabs if it rains ten hours after application.

Glyphosate is a non-selective, non-residue, lethal herbicide that is very effective against perennial root weeds and is widely used in rubber, mulberry, tea, orchards and sugarcane fields. It mainly inhibits the enzyme enolpyruvyl shikimate phosphate synthase in plants, thereby inhibiting the conversion of shikimate to phenylalanine, tyrosine and tryptophan, disrupting protein synthesis and causing plant death. Glyphosate is absorbed by stems and leaves and then transferred to various parts of the plant. It can control more than 40 families of plants, including monocots and dicots, annuals and perennials, herbs and shrubs. After entering the soil, glyphosate quickly combines with metal ions such as iron and aluminum and loses its activity.

Initially, it was used in rubber plantations to control thatch and other weeds, which can enable rubber trees to be tapped one year earlier and increase the yield of old rubber trees. It is now gradually being promoted in forestry, orchards, mulberry gardens, tea gardens, rice-wheat, rice and rapeseed rotation land, etc. Various weeds have different sensitivities to glyphosate, so the dosage is also different. For annual weeds such as barnyard grass, foxtail grass, foxtail grass, goosegrass, crabgrass, and cleaver, the dosage is 6 to 10.5 g/100 square meters based on the active ingredient. For plantain, Erigeron, Commelina, etc., the dosage is 11.4 to 15 g/100 square meters based on the active ingredient. For Imperata, Sclerocaria, and Phragmites australis, 18 to 30 g/100 square meters are required, generally diluted with 3 to 4.5 kg of water, and sprayed evenly and directional on the stems and leaves of the weeds. Generally, broadleaf weeds should be sprayed at the early germination or flowering stage, and grasses should be sprayed at the late jointing or early heading stage. For plants with cut stems and leaves, spray the weeds until there are enough new leaves. When controlling perennial weeds, divide the dosage into two times, and apply them 5 days apart to improve the control effect.

It is used to control weeds in apple orchards, peach orchards, vineyards, pear orchards, tea gardens, mulberry gardens and farmland fallow areas, and annual weeds such as barnyard grass, okra, goosegrass, crabgrass, Xanthium sibiricum, quinoa, chickweed and cleaver.

Glyphosate has a weed-killing effect only after it comes into contact with green tissue. Because different weeds react differently to glyphosate, the dosage varies.

1. For orchards, mulberry gardens, etc., use 0.5 to 1 kg of 10% aqueous solution per mu to control annual weeds, and 1 to 1.5 kg of 10% aqueous solution per mu to control perennial weeds. Add 20 to 30 kg of water and spray on the stems and leaves of weeds.

2. Farmland weeding Before sowing, weeds that have grown in the field should be removed. The dosage can refer to orchard weeding. When using the drug during the cotton growth period, directional spraying with a hood is required. Use 0.5 to 0.75 kg of 10% aqueous solution per mu, and add 20 to 30 kg of water.

3. For weeding in fallow land, field edges and roadsides when the weeds are in the 4 to 6 leaf stage, use 0.5 to 1 kg of 10% aqueous solution per mu, add 100 ml of diesel, and dilute with 20 to 30 kg of water, and spray the weeds.

4. For some malignant weeds, such as Cyperus rotundus and Phragmites australis, 200 grams of adjuvant can be added per acre for better weed control effect.

After using glyphosate, it will take at least one to ten days before planting large-seeded crops such as corn. If you want to plant small-seeded crops such as vegetables, it will take at least one month. The residual period is generally good. If the amount used is too large, it will be difficult to degrade within a year.

If glyphosate is used on shallow-rooted crops such as grapes, kiwis, and peaches, it is fine if there is no watering or rainfall. However, when it rains or waters, obvious poisoning symptoms will appear on the leaves, and the fruits will basically stop growing. Even if they can continue to grow, they will be deformed. If it is used on fruit trees such as jujube trees that have small seedlings growing from their roots, the drug will definitely cause harm.

3. Does promethazine have any phytotoxic effect on corn?

Corn is sensitive to promethazine and cannot be used with promethazine.

Promethazine is a selective systemic herbicide that can be transmitted from roots or stems to green leaves. It exerts its effect by affecting the respiration of mitochondria when plants are photosynthesizing. It has a significant control effect on various weeds such as crabgrass, goosegrass, and purslane in peanut fields.

4. Can lime powder kill moss on rocks?

Yes, adding a small amount of water will release a lot of heat and generate a strong alkali, which can kill the moss.

5. What are the main characteristics of Prochloraz?

Promethazine is also known as Mower. Promethazine is a low-toxic selective systemic herbicide. It is absorbed by the roots, stems and leaves, and transported to the green part to inhibit photosynthesis, causing the poisoned weeds to gradually lose green, dry up and die. After application, it can be adsorbed by soil clay particles to form a drug layer. When the weeds germinate and emerge from the soil, they come into contact with the drug and are poisoned. It has the best control effect on newly germinated weeds. It has a wide spectrum of weed control; the lasting effect is 20 to 70 days, which is longer in dry land than in paddy fields and even longer in clay. Promethazine is a slightly toxic herbicide, safe for humans and animals, and low in toxicity to fish, birds and bees.