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Herbicide Residue Drift Injury - Canola Council of Canada

Herbicide Residue Drift Injury - Canola Council of Canada

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2,4-D Ester 600 symptoms: 10% <strong>of</strong> a 285 ml/acre rate<br />

At this rate, symptoms first appeared three<br />

to five days after spraying. Symptoms<br />

included severe swelling at crown area or on<br />

main stem, cracking <strong>of</strong> swollen areas, callus<br />

formation and subsequent chlorosis <strong>of</strong> new<br />

leaves due to physical injury.<br />

Swelling <strong>of</strong> the crown area seven days<br />

after application.<br />

Crown swelling has resulted in cracking<br />

and callus formation. Subsequent growth<br />

was chlorotic.<br />

Recognizing <strong>Herbicide</strong> <strong>Residue</strong> and <strong>Drift</strong> <strong>Injury</strong> in <strong>Canola</strong><br />

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