Hormone Type Quinolinic Acids Herbicides , Roundup Weed Killer Quinclorac 50% WP

Agricultural weed killer Hormone type Quinolinic acids herbicides Quinclorac 50% WP

Toxicity

It is a low toxic herbicide. Rats were treated with acute oral LD502680 mg / kg, and the rats were treated with transcutaneous LD50 > 2000 mg / kg. Acute inhalation of LC50 (4 hours) > 5.2 mg / L. fish and bees are non-toxic.

Dosage form 25%, 50% wettable powder.

Characteristic

It is a hormone-type quinoline carboxylic acid herbicide. The symptoms of weed poisoning are similar to those of auxins. It is mainly used to control barnyard grass for a long period of time and is effective in 1-7 leaf period. Rice is safe.

The scope of application is mainly used for preventing barnyard grass in paddy fields. It can also prevent rain, flowers, Sesbania, water celery, duck tongue grass, Gleditsia sinensis.

Usage method

1. Echinochloa barnyardgrass can be applied at the 1-7 leaf stage of transplanting seedling field. 13.5-26 grams of active ingredients per mu are used for spraying. The water is drained before spraying and put back into the field after spraying to keep the water layer of 3-5 cm.

2. the direct seeding rice seedlings were applied after the 2.5 leaf stage.

Matters needing attention

1. The residue in soil is large, and it is easy to produce pesticide damage to the later crop. The later crop can be planted with rice, corn and sorghum.

2. Solanaceae (tobacco, potato, pepper, etc.), Umbelliferae (carrot, celery), Chenopodiaceae (spinach, beet) malvaceae, Cucurbitaceae (all kinds of melons), Leguminosae, Compositae, Convolvulaceae crops are sensitive to the drug.

3., it can be mixed with bicuron, bicaburon and prodrug.