Propanil

Short Description:

Propanil is a post-emergence, contact herbicide used in several economically important crops. It is a selective herbicide, meaning it controls weeds without harming the crop when applied correctly. Its primary mode of action is the inhibition of photosynthesis at the photosystem II receptor site, which disrupts the weed’s ability to produce energy, leading to its death within 24-48 hours. A key feature of Propanil is its lack of soil residual activity, which means it breaks down rapidly and does not affect subsequent crops. It is widely used in rice and is also effective in potatoes, wheat, corn, and several other crops.

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Product Tags

Tech Grade: 98%TC

Formulations	Target	Dosage
propanil68%WP	Barnyard grass	3000-4500g/ha
propanil45%EC	Barnyard grass	3000-6000ml/ha
propanil80%WDG	Barnyard grass	3750-5250 g/ha
propanil50%SC	Barnyard grass	3000-6000 ml/ha
Propanil30%+quinclorac5%+clomazone3%OD	Annual grass weeds	2100-3000 ml/ha
Propanil25%+quinclorac15%OD	Annual grass weeds	1500-1800 ml/ha
Propanil25%+tripyrasulfone3%OD	Barnyard grass	3000-3750 ml/ha
Propanil30%+penoxsulam0.5%+butachlor15%OD	Annual weeds	2400-3000 ml/ha
Propanil350g/L+butachlor350g/LEC	Annual weeds	2490-2700 ml/ha
Propanil30%+butachlor13%+clomazone3%EC	Annual weeds	3000-4500 ml/ha
Propanil25%+metamifop7%+cyhalofop-butyl13%EC	Annual grass weeds	600-750 ml/ha
Propanil30.2%+metamifop2.9%+clomazone2.9%EC	Annual grass weeds	1800-2400 ml/ha
Propanil30%+metamifop4%+clomazone4%EC	Annual weeds	1800-2250 ml/ha
Propanil30%+metamifop10%EC	Annual grass weeds	1200-1500 ml/ha
Propanil27.2%+thiobencarb18%EC	Annual grass weeds	4500-7500 ml/ha
Propanil36%+cyhalofop-butyl6%EC	Annual grass weeds	1500-1800 ml/ha
Propanil30%+butachlor13%+clomazone3%EC	Annual weeds	3000-4500 ml/ha
Propanil30%+cyhalofop-butyl15%+clomazone3%EC	Annual grass weeds	450-1050 ml/ha
Propanil35%+anilofos5%EC	Annual grass and sedge weeds	4500-5250 ml/ha
Propanil34%+anilofos4%+clomazone5%EC	Annual weeds	2250-3750 ml/ha
Propanil27%+clomazone12%EC	Annual grass weeds	1500-2250 ml/ha
Propanil220g/L+flusulfinam30g/LME	Annual weeds	2250-3750 ml/ha
Propanil36%+quinclorac4%SC	Annual grass weeds	3000-4500 ml/ha

Applicaton:

Rice:

Barnyardgrass, sprangletop, redstem, junglerice, crabgrass, signalgrass, goosegrass, annual sedges, morning glory, and other broadleaf weeds.

Timing: Post-emergence, when weeds are at the 2-5 leaf stage (2-5 cm tall for optimal control).

Method: Foliar spray. Drain the field before application.

Re-flood 24-72 hours after spraying, maintaining a 3-5 cm water layer for 5-7 days to enhance efficacy.

Cautions:

1. Crop Safety and Phytotoxicity

Rice Selectivity: Rice becomes tolerant to Propanil after the 3-leaf stage (trifoliate stage) as it can metabolize the herbicide. Applying it before this stage can cause crop injury.

Sensitive Crops: Propanil is phytotoxic to many broad-leaved crops. Ensure spray does not drift onto non-target crops.

Crop Rotation: Due to its short soil half-life (1-3 days) and absence of residual activity, there are no restrictions for planting subsequent crops after harvesting.

2. Compatibility and Tank Mixtures

Never mix or sequentially apply Propanil with carbamate or organophosphate insecticides. Doing so can severely injure or kill the rice crop. A minimum waiting period of at least 5-7 days is required between applications of these pesticides.

Compatible Mixes: Propanil can be safely tank-mixed with some other herbicides to broaden the weed control spectrum. .

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Propani