Used to control a variety of annual monocotyledonous and dicotyledonous weeds. It is suitable for weeding in paddy fields, and is also effective on peanuts, cotton, sugar cane, etc. in dry fields. Contact-killing pre-emergence and post-emergence herbicide. Soil can also be treated. It works mainly through absorption by weed buds, stems and leaves. It can exert good herbicidal activity under light conditions. Particularly sensitive to weeds in their budding stage. As soon as weeds germinate, they will continue to grow as bud sheaths, their tissues will rot rapidly, and the weeds will die.
As the weeds grow, the efficacy decreases, and it is basically ineffective against grown weeds. It is suitable for controlling barnyardgrass, stephanotis, etc. in rice fields. It can also be applied to annual grass weeds and broadleaf weeds in crops such as cotton, soybeans, celery, and fruit trees.
Target Weed Families
It has good control effect on the following target weed categories:
After sowing and before emergence, use 100-150 ml of 12% EC per acre, add 50 kg of water, and spray the soil surface evenly.
Seedling & Water-Seeding Fields
After sorting out seedling and water-seeding fields, use 100-150 ml of 12% EC per acre with 25 kg of water to spray the field in a muddy state. Keep water layer for 2-3 days, drain and sow. Alternatively, spray 100 ml of 12% EC with 30 kg of water during 1-leaf 1-heart to 2-leaf stage. Maintain shallow water for 3 days.
Transplanting Fields
Apply 1-2 days before rice transplanting or 4-5 days after transplanting. Use 125-150 ml of 12% EC per acre using the original bottle to apply. Keep shallow water layer for 3 days after application, then dry naturally. Resume normal management.
Frequently Asked Questions (FAQ)
What is Oxadiazon pre-emergent herbicide used for?
Oxadiazon is designed to control various annual monocotyledonous and dicotyledonous weeds. It is suitable for paddy fields as well as dry fields for crops such as peanuts, cotton, and sugar cane.
How does Oxadiazon work against weeds?
It functions as a contact-killing pre-emergence and post-emergence herbicide. It works primarily through absorption by weed buds, stems, and leaves under light conditions. During germination, the weed bud sheaths and tissues rot rapidly, causing weed death.
Is Oxadiazon effective on mature or fully grown weeds?
No. As weeds grow, the efficacy of Oxadiazon decreases significantly, and it is basically ineffective against fully grown weeds. It is most effective during the weed budding stage.
Which crop types can Oxadiazon be applied to?
Oxadiazon can be applied to rice (upland, direct-seeding, and transplanting fields), cotton, soybeans, peanuts, sugar cane, celery, and fruit trees.
How should Oxadiazon be used in rice transplanting fields?
In transplanting fields, use 125-150 ml of 12% EC per acre 1-2 days before or 4-5 days after transplanting. Keep a shallow layer of water for 3 days after application, then allow it to dry naturally.
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