How warm does it have to be for c max?

Flat 10

Member
Arable Farmer
Location
Fen Edge
Atlantis weather or warmer? Have some winter linseed with some bad patches of BG in which seems to be growing rather fast. It’s only had avadex as crawler timing was missed. Any thoughts?
 
C Max and other dims and fops aren’t temperature dependent to the same extent as hormones and sulphonyl ureas. Get it on when you can but don’t cut the rates.

You're correct. It is too late for Crawler. Where not applied already, Centurion Max has an EAMU until stem extension for linseed. The product label for Centurion max says ''Do not spray when temperatures or air moisture are very high or very low; the optimal range of temperatures for spraying is 8-25°C, and the optimal air moisture is above 65%.'' Make sure no frosts are forecaster etc

See product label: https://uk.uplonline.com/product-details/centurion-max
 

Brisel

Member
Arable Farmer
Location
Midlands
Too late now - thought crawler was end Feb for osr?

I think they were referring to Crawler on winter linseed, not osr. The EAMU doesn't specify a date limit, just a growth stage limit

1583224772049.png
 
I think they were referring to Crawler on winter linseed, not osr. The EAMU doesn't specify a date limit, just a growth stage limit

1583224772049.png

Sorry if I was not clear, I was referring to winter linseed. In winter linseed the cut off application date for Crawler is Christmas. Crawler applied after Christmas can cause significant crop damage as it stops crop growth for 6-8 weeks. Therefore, if applied in January you could stopping growth when linseed should be starting it's spring stem extension. OSR you're correct- end of Feb.
 

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