Quinclorac is also known as fast killing cockroach, killing cockroach, ke lingling, and scorpion. It is a hormone-type quinoline carboxylic acid herbicide , which is suitable for rice transplanting field or Putian live field; mainly used for mainly Rice field sedge. It can also control rain long flowers, Tian Jing, cress, ragweed, and saponin.
Precautions for the use of quinclorac
1. The residual amount in the soil is large, and it is easy to produce phytotoxicity to the sputum. The sorghum can be used to grow rice, corn, and sorghum.
2. Solanaceae (tobacco, potato, pepper, etc.), Umbelliferae (carrot, celery), Polygonaceae (spinach, beet) Malvaceae, Cucurbitaceae (various melons), Leguminosae, Compositae, Rotaceae Flower crops are sensitive to the drug.
3. Can be mixed with chlorpyrifos, bensulfuron-methyl, enemies and the like.
The phytotoxicity of quinclorac is darkened by leaf color and the curl of heart leaf is mainly caused by the phytotoxicity of quinclorac; the roots of rice are in a state of hypoxia for a long time, poor growth, a large number of yellow roots and black roots appear, and the root activity is decreased. The quinclorac acid that enters the rice body after application cannot be degraded in time, and thus symptoms of poisoning appear.
Remedial measures for quinclorac acid phytotoxicity After the chloroquinoline acid is damaged in rice, it can generally recover on its own when it is lightly damaged. When it is heavier, 30 mg / liter of gibberellin can be applied with the appropriate amount of humate. It can also be sprayed with Bixi 0.136% Brassica oleracea gibberellic acid wettable powder to relieve the damage of rice quinclorac acid. The medicinal damage to the field is 3 grams per acre plus 30 kg of water. Spray, the seedlings can basically return to normal after about 5 days. The field with heavier phytotoxicity can be sprayed once again 5 to 7 days after the first application, and it can also receive a good decontamination effect.
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