Winchester Ag Breakfast Meeting Notes – May 24, 2016

Weather has been dry allowing for a lot of field work. Most fertilizer and pre-emerge herbicide applications are done. Crop Heat Units (CHUs) are behind about 30 CHU from the 30 year average.

Table 2.  May 18 – 25, 2016 Weather data

WIN Weather 18-24 May 2016


Generally anticipated first cut yields will be lower than normal due to the cool and dry spring weather. On farm forage inventories are generally good. Orchard grass now heading and the rare alfalfa stem is at beginning bud stage. Depending on percent of the forage mix, growers are expected to first cut about the 28th of May. Cereal rye is at the head half emerged stage and should be harvested now for optimum forage quality.

New alfalfa seedings – early seeded are now at 4th trifoliate; drilled and starter (April 20 planted). Concern about new forage seedling with a companion / cover crop, will be dry and struggle with competition.

Winter Wheat:

Winter wheat is at the Zadok 37 (flag-leaf half emerged) stage looking good in most areas.

Stripe rust infection spread last week from the southwest (Windsor to London) to Huron (Exeter) and Bruce County (Walkerton). Fields with strip rust tolerant varieties or were sprayed early at the T1 stage, have less pressure. Higher nighttime temperatures should slow the development and spread of strip rust (optimum 10-20 oC). Growers should continue to scout their fields and if stripe rust is a problem, growers should spray immediately but be aware of wheat stage.  Once the wheat reaches boot stage (Zadoks 45), the application of products containing a strobilurin fungicide may increase the amount of mycotoxins in the grain.  As we approach the flowering stage (Zadok’s 59), the use of a T3 fungicide to control Fusarium head blight will also control many leaf diseases, such as stripe rust. Weather forecast and DONcast  may assist to best coordinate need for FHB fungicide application at flowering.

Winter survival update from Wendell  Joyce, Agricorp:

Winter Wheat Damage Report Statistics  for Renfrew, part of Lanark, Prescott & Russell, Stormont,Dundas & Glengarry, Ottawa Carleton
YearAcres plantedReported damaged% damaged
Source: Agricorp

Spring Cereals:

Spring cereals are now in the tillering stage (Zadok 26 to 30). Many annual weeds have emerged and growers should consider spraying.


Most corn planted and is at the spike to first-leaf over stage with the most advanced corn at the two-leaf over stage.  Several are finding wire worm.

Some pre-side-dress nitrogen testing (PSNT) will begin next week (see table 1.).  Early soil nitrate testing has shown higher than expected soil nitrate levels considering the cool, dry weather thus far this spring. Preliminary soil sample results soy-corn rotation 20+ ppm NO3,  corn-corn rotation 10 ppm NO3 .

 Table 1. Nitrogen Recommendations Based on Nitrate-Nitrogen

SoilExpected Yield (bu/ac)
(PPM)Sidedress Nitrogen Fertilizer Recommendations (lb N/ac)



Soybean planting about 95% complete across the province.  Some concern about potential need to re-spray due to dry weather. Small acreage shift from intended corn to soybeans with the recent stronger soybean prices.


Few acres in eastern Ontario and most of the planting is now complete. Conditions for emergence have been good. Flea beetle damage has been reported. Fields should be scouted now. This is also the time to set up monitoring traps for swede midge. The adult emergence peak is end of May to mid June. See infosheet for more information:

Crop Insurance:

 Registered online users can also report their acres through online services. Online reporting is available from May 16 to June 30. Customers can also report by phone, fax, email or mail. Crops that can be reported online are Grains and oilseed spring seeded crops. Have your Agricorp ID ready and go to


  • Unseeded Acreage Benefit reporting deadline is June 15th
  • Report planted acres by June 30th
  • Production Insurance Premiums due July 10th

CFIA Update:

The Weed Seeds Order of Canada’s Seeds Act has been updated and will come into effect on November 1 2016.


The new , Weed Seeds Order 2016  includes several new Prohibited Noxious species,  reclassifies listed species based on the most recent information about their distribution in Canada, and/or their affect on the value of the seed.  Seed sold in, or imported into Canada provides a pathway for the introduction and movement of weeds and the regulation of Weed Seeds Order species helps preserve the prosperity of Canada’s agricultural sector.


Next Meeting:

Tuesday, June 7, 2016. The Winchester Agri-Business Crop Update breakfast meetings are held every two weeks on Tuesdays at the Country Kitchen (Winchester, ON) from 7:30 to 9:30 a.m.  .


Upcoming Events:

  • Port of Johnsontown – Port Day – Saturday June 4, 2016 10 am to 4pm
  • Southwest Crop Diagnostic Days (Ridgetown Campus, University of Guelph): July 6 or 7, 2016
  • FarmSmart Exp 2016 (Elora Research Station, University of Guelph): July 14, 2016
  • Eastern Crop Diagnostic Day (Winchester Research, Station University of Guelph,): July 28, 2016
  • Southwest Agricultural Conference: January 4 & 5, 2017
  • Eastern Ontario Crop Conference: February 2017 (date and location to be announced)


New Publication!The new Field Crop Protection Guide 2016-2017 is now available! Visit or call the Kemptville OMAFRA Office (613-258-8295)  for your copy or go to