Extase potential problems

Two Tone

Member
Mixed Farmer
Is it right that Extase can be used as a milling wheat?

Just finished baling 4’ rounds on ours and it was 10 bales to the acre from it all. No difference whatsoever between the GD direct drilled stuff and the ploughed and Combi drilled.
660F9373-ABCA-4E6F-97D4-0C1D971B8389.jpeg
 

An Gof

Member
Location
Cornwall
I always get nervous when I see the headline "barnfiller"...!

I see a lot of mention of black ears which are standing straight up in wheat crops. In my experience, the most usual cause of this is BYDV. Not saying that it is the issue in this case but it does sound an awful lot like it. Usually more of an issue in early sown crops, crops in sheltered areas etc. BYDV in wheat is usually hard to spot before now. It can be in patches or just random plants. Grains will be shrunken in such ears.
The picture below is a BYDV infected ear in some spring wheat that I looked at during the week.

Finding a robust wheat variety is tricky. The softer varieties are usually the higher yielding ones as they have a large grain size but then they often are weaker on sprouting. If a variety is popular then it usually is grown on a large area which in turn increases the chances of Yellow Rust cracking its resistance. Costello is a great old reliable, not the highest yielding on the list but it is consistent.
Another which comes to mind was Cordiale.
If a breeder is lucky enough to have the ability to create a lot of varieties then it is inevitable that some of them will have a shorter life than others.
The climate here in Ireland is murder on winter wheat varieties, very few make it to the market. Our climate will lodge them, it will break Septoria resistance and it will make them sprout. Yellow Rust also seems to enjoy itself when it gets going here.

I seem to remember that Teagsac rate varieties for BYDV resistance/tolerance (well they did for winter barley varieties).
aDo you know if they do the same for wheat? If so how does Extase compare with other varieties, particularly Graham.
There were signs in the spring of individual wheat plants affected by late BYDV infections. This could be seen in a local AHDB monitor farm trial where a fungicide application programme competition is being run. I will have to look back but I think adas scored the infection between plots. The trial variety was Sundance.
 

An Gof

Member
Location
Cornwall
I seem to remember that Teagsac rate varieties for BYDV resistance/tolerance (well they did for winter barley varieties).
aDo you know if they do the same for wheat? If so how does Extase compare with other varieties, particularly Graham.
There were signs in the spring of individual wheat plants affected by late BYDV infections. This could be seen in a local AHDB monitor farm trial where a fungicide application programme competition is being run. I will have to look back but I think adas scored the infection between plots. The trial variety was Sundance.

Just looked back and when crop was assessed in early July BYDV infection ranged from 10-15% across plots.
 

CORK

Member
I seem to remember that Teagsac rate varieties for BYDV resistance/tolerance (well they did for winter barley varieties).
aDo you know if they do the same for wheat? If so how does Extase compare with other varieties, particularly Graham.
There were signs in the spring of individual wheat plants affected by late BYDV infections. This could be seen in a local AHDB monitor farm trial where a fungicide application programme competition is being run. I will have to look back but I think adas scored the infection between plots. The trial variety was Sundance.
Not that I am aware I'm afraid. I don't actually remember them rating winter barley varieties either but I may have forgotten!

I have certainly observed differences in spring barley varieties in terms of susceptibility to BYDV - I always thought that the paler spring barley varieties more attractive to aphids.

I do wonder if a lot of the observations being made in Extase are in fact BYDV, there are people who know more than me (and are closer to the crops) who will know I am sure. Would Extase have been planted earlier in many cases because of it's Septoria resistance and therefore be faced with more BYDV pressure?
 

B'o'B

Member
Arable Farmer
Location
Rutland
Not that I am aware I'm afraid. I don't actually remember them rating winter barley varieties either but I may have forgotten!

I have certainly observed differences in spring barley varieties in terms of susceptibility to BYDV - I always thought that the paler spring barley varieties more attractive to aphids.

I do wonder if a lot of the observations being made in Extase are in fact BYDV, there are people who know more than me (and are closer to the crops) who will know I am sure. Would Extase have been planted earlier in many cases because of it's Septoria resistance and therefore be faced with more BYDV pressure?
It has pretty fast development, so I don’t think it’s recommended to sow early.

But not grown it myself so just going by my recollections of what has been said at various meetings.
 

An Gof

Member
Location
Cornwall
Not that I am aware I'm afraid. I don't actually remember them rating winter barley varieties either but I may have forgotten!

I have certainly observed differences in spring barley varieties in terms of susceptibility to BYDV - I always thought that the paler spring barley varieties more attractive to aphids.

I do wonder if a lot of the observations being made in Extase are in fact BYDV, there are people who know more than me (and are closer to the crops) who will know I am sure. Would Extase have been planted earlier in many cases because of it's Septoria resistance and therefore be faced with more BYDV pressure?

I remember a visit I had to Oak Park where they were assessing winter barley variety susceptibility to BYDV. It stuck in my mind as they felt the variety Valerie was more susceptible ……. I had just grown Valerie for the first time that season 🤦 so the comments stuck with me.
 
Last edited:

Hindsight

Member
Location
Lincolnshire
I always get nervous when I see the headline "barnfiller"...!

I see a lot of mention of black ears which are standing straight up in wheat crops. In my experience, the most usual cause of this is BYDV. Not saying that it is the issue in this case but it does sound an awful lot like it. Usually more of an issue in early sown crops, crops in sheltered areas etc. BYDV in wheat is usually hard to spot before now. It can be in patches or just random plants. Grains will be shrunken in such ears.
The picture below is a BYDV infected ear in some spring wheat that I looked at during the week.

Finding a robust wheat variety is tricky. The softer varieties are usually the higher yielding ones as they have a large grain size but then they often are weaker on sprouting. If a variety is popular then it usually is grown on a large area which in turn increases the chances of Yellow Rust cracking its resistance. Costello is a great old reliable, not the highest yielding on the list but it is consistent.
Another which comes to mind was Cordiale.
If a breeder is lucky enough to have the ability to create a lot of varieties then it is inevitable that some of them will have a shorter life than others.
The climate here in Ireland is murder on winter wheat varieties, very few make it to the market. Our climate will lodge them, it will break Septoria resistance and it will make them sprout. Yellow Rust also seems to enjoy itself when it gets going here.

Just looked back and when crop was assessed in early July BYDV infection ranged from 10-15% across plots.

It has pretty fast development, so I don’t think it’s recommended to sow early.

But not grown it myself so just going by my recollections of what has been said at various meetings.

The two fields part of a three field block of Extase at Sutton Bridge which I am familiar with were sown 8-10 th November. They did not receive an insecticide at any stage. I did not see any sign of BYDV - but that is not to say there was none. I am going to take a final look tomorrow before the combine Wednesday. The ergot pretty bad too.

Would not normally expect to get BYDV from a mid November sowing. And there are several nearby fields sown same time with other varieties that did not receive insecticide that look fine.

I cannot speak for the other crops which I am aware of.
 

CORK

Member
I remember a visit I had to Oak Park where they were assessing winter barley variety susceptibility to BYDV. It stuck in my mind as they felt the variety Valerie was more susceptible ……. I had just her own Balerie for the first time that season 🤦 so the comments stuck with me.
Very interesting. We have grown Valerie for a number of years here now and no difference has been noticed so far.
 

CORK

Member
Why would your aphids home in in straight lines on fields which are only half planted with Extase and half with Graham, Diego, Exsept, etc.?

I am certainly not saying that BYDV is the cause in every case, I just floated it as an explanation for some cases.



BYDV in wheat often goes un noticed until grain fill and infection can often occur after Christmas.

I have seen frost damage in spring wheat in the past (2020) and it would definitely not be confused with BYDV. The frost damage in the spring wheat varieties was typified by malformed ears with sections of the ear very shrunken and lacking any grain whatsoever.
 

bankrupt

Member
Location
EX17/20
I just floated it as an explanation for some cases.
Fair enough - same here.

The cases here all started off the end of the third week of June with part fields of Extase looking superb compared to whatever was planted adjacent, and by the end of the first week of July vice versa.

Having spent that exact fortnight pulling wild oats in all those very same crops in full winter rain gear, I naturally suspect a wet weather disease, one of which we get here being septoria nodorum.
 

ZXR17

Member
Location
South Dorset
Started cutting our Extase and yielding well so far , but rather worryingly is starting to shed but so also is our Gleam . I wish the weather would let us get on and cut it .
 

Phil P

Member
Arable Farmer
Location
North West
Very interesting. We have grown Valerie for a number of years here now and no difference has been noticed so far.
Same here, Valerie was our best yielding wb this year with a 9.8t/ha average. It’s done well for the past few years without any issues.
Not really had any BYDV or sprayed any insecticides here for a few years now either.
 

An Gof

Member
Location
Cornwall
Same here, Valerie was our best yielding wb this year with a 9.8t/ha average. It’s done well for the past few years without any issues.
Not really had any BYDV or sprayed any insecticides here for a few years now either.

i reckon you are in a much lower risk area for BYDV than I am in the far SW.
 

Nitrams

Member
Location
Cornwall
Not that I am aware I'm afraid. I don't actually remember them rating winter barley varieties either but I may have forgotten!

I have certainly observed differences in spring barley varieties in terms of susceptibility to BYDV - I always thought that the paler spring barley varieties more attractive to aphids.

I do wonder if a lot of the observations being made in Extase are in fact BYDV, there are people who know more than me (and are closer to the crops) who will know I am sure. Would Extase have been planted earlier in many cases because of it's Septoria resistance and therefore be faced with more BYDV pressure?
My thinking was it was a very late infection because it only showed up in 1 plant generally and had not spread i to circles. Is it.not possible a post gs30 infection could show up like this? No symptoms until post gs39
 

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