Vegetable Production Guide

Beets
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Table 3 Beets Disease Control

This section was updated - 13 January 2018

Table 3 Beets Disease Control

 

Product

Rate

PHI*

Comments

Rhizoctonia Root Rot

Quadris

(azoxystrobin)

Group 11

4 to 6 mL of product per 100m of row

Apply in 50 to 100 L/ha (20 to 40 L/acre) of water
40
  • Apply either in-furrow at seeding or as a banded application over the row soon after emergence or within 30 days of emergence.
  • Do not make more than one application per year.
  • A plant back interval of 30 days is required for broadleaf and root crops.
  • A plant back interval of 45 days is required for cereals.
  • Do not enter treated area until residues have dried.

Serenade Soil

(QST 713 strain of dried Bacillus subtilis)
 
smileyUsed in organics.

 

2.7 to 14 L/ha (1.1 to 5.7 L/acre) 0
  • Suppression only.
  • smileySerenade Soil (PCP# 30647) is OMRI-Canada listed.  Check with your certification body before using in an organic operation.  
Surface Application:
  • Apply as a 15 cm band over the top of the seed row as a broadcast spray after planting.
  • Ensure incorporation into the seed zone within 24 hours of application via rainfall or overhead irrigation.

Post-plant applications:

  • After crop germination, additional applications may be made to the soil as a drench or spray directed towards the base of the plant.
  • Irrigate to move material into the seed or root zone.
  • Repeat at 21 to 28 day intervals.

Cercospora Leaf Spot

Serenade Opti

(Bacillus subtilis)
 
smileyUsed in organics
0.5 to 1.1 kg/ha (200 to 570 g/acre) 0
  • Suppression only.
  • Repeat at 7 day intervals.
  • Apply with a non-ionic surfactant at a rate of 0.25% v/v or at labeled rates.
  • smileySerenade Opti (PCP# 31666) is OMRI-Canada listed.  Check with your certification body before using in an organic operation.  

Cueva

(copper octanoate)

Group M1

Use a 0.5% to 2% solution at 470 to 940 L/ha (190 to 380 L/acre)

1
  • For a 0.5% solution, mix 1 part Cueva to 200 parts water.
  • For a 2% solution, mix 1 part Cueva to 50 parts water.
  • Repeat at 7 to 10 day intervals.
  • Repeat at 5 to 7 day intervals following heavy rain or when disease pressure is high.
  • Do not make more than 15 applications per year.
  • Time applications so that 12 hours of dry weather follow application.
  • Do not re-enter treated area for 4 hours.

*PHI = Pre-harvest interval
BUFFERS – Refer to product label for buffer requirements. See also Pesticide Regulations and Safety section of this guide.
PESTICIDE GROUP DETAILS – see Pesticide Toxicity Table of this guide.

smileyOMRI-Canada = Organic Materials Review Institute of Canada

 

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