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Herbicide Recommendations for Sunflowers: Harvest-Aid

Author: OMAFRA Staff
Creation Date: 25 November 2002
Last Reviewed: 20 May 2008

Pub 75: Guide to Weed Control > Other Field Crops > Herbicide Recommendations for Sunflowers: Harvest-Aid

Excerpt from 2008 Publication 75, Guide to Weed Control, Order this publication

Cover of Publication 75, Guide to Weed ControlTable of Contents

  1. Reglone Dessicant + Agral 90
  2. Sunflower Herbicide Ratings Tables (Table 12-1) (PDF 93 kb)
  3. Other Sunflower Weed Control Recommendations
  4. Related Links
Reglone Dessicant + Agral 90
Trade Name Reglone Dessicant + Agral 90
Active Ingredient
diquat
+ surfactant
Formulation
240 g/L
 
Rate per hectare (active)
0.3 kg/ha
0.1% v/v
Rate per hectare (product)
1.25 L/ha
1 L/1000 L
Rate per acre (product)
0.5 L/ac
1 L/1000 L

Precautions

  • Reglone may be used to reduce the period of time from maturity to harvest, to speed up harvesting, and decrease seed moisture at harvest.
  • Apply in 45 L/ha (18 L/ac) water with fixed wing aircraft.
  • Spray when seeds reach maturity (20%-50% seed moisture).
  • Combine 15-20 days after spraying.
  • Beware of drift to adjacent crops or plants.
  • See "Notes on Chemicals" for comments on aerial application.

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