Herbicide Recommendations for Celery: Postemergence Grass and Broadleaf Herbicides

Table of Contents

1. Gesagard
2. Lorox L
3. Mineral oil
4. Related Links

Precautions (For more information, see Chapter 4. Herbicides Used in Ontario, page 23 and Chapter 5. Notes on Adjuvants, page 69).

• Do NOT apply until 21 days after transplanting the crop when the celery plants are established.
• Apply in 200-1,000 L/ha (80-400 L/ac) water in the transplanted crop.
• Do NOT use on direct seeded crop.
• Preharvest interval is 54 days.

Precautions (For more information, see Chapter 4. Herbicides Used in Ontario, page 23 and Chapter 5. Notes on Adjuvants, page 69).

• Apply to transplants as soon as new growth has started. Some temporary discolouration may occur.
• All dosages are expressed as broadcast rates. For band treatment use proportionately less.
• DO NOT use on sandy or coarse-textured soils low in organic matter (less than 1%), as crop injury may result.

Precautions (For more information, see Chapter 4. Herbicides Used in Ontario, page 23 and Chapter 5. Notes on Adjuvants, page 69).

• Apply as the true leaves develop on the celery, before weeds are 10 cm high.
• Use ONLY on outdoor seedbed and ONLY if the soil is moist.

Related Links

• on general Weed topics
• on general Vegetable topics
• on general Celery topics
• on pesticide labels, search the PMRA website
• on weed identification, order OMAFRA Publication 505: Ontario Weeds
• on weed control, order OMAFRA Publication 75: Guide To Weed Control