Flea Beetle 2019

Renaultman

Member
Arable Farmer
Location
Darlington
The usual threshold for spraying oilseed rape is 25% of plants damaged or the damage is faster than the crop can get away from it. Cooler wet weather will help slow the flea beetle down and speed up crop growth. Rain will not stop them. Has the kale had all its nitrogen? Give it the best chances for growth rather than chuck ineffective sprays at it!

If you must spray, you ought to have a BASIS registered agronomist advising. I am BASIS registered but not an agronomist nor will give a recommendation on the internet without seeing the problem!

How big is the crop? A photo would help.
Well you can get a doctor's meeting on the internet now why not agronomy?
Brisel internet agronomy devices could be the future.
 

Brisel

Member
Arable Farmer
Location
Midlands
Well you can get a doctor's meeting on the internet now why not agronomy?
Brisel internet agronomy devices could be the future.

I agree that information from devices and prediction algorithms make well be the way forward but I fail to see how boots on the ground are obsolete just yet. Pest issues are highly localised - WOBM is a prime example. Bad information driving bad decisions can be very expensive indeed. If I were a greenie with reasonable IT skills and a malicious agenda, I'd be trying to hack the software for these tools!
 

richard hammond

Member
BASIS
I had another look at mine today and despite what others are saying on here I found more beetles today in between heavy down pours than I did last week before i sprayed.

Theres dead plants and in places its looking thin, I hope with this rain itll pick up the N and motor on past them but on one field which I think will become winter barley i did gout after lunch and spread 12kg/ha off the heap with the fert spinner to see what happens.View attachment 834815View attachment 834816
Have you checked and treated for slugs,
 

richard hammond

Member
BASIS
I agree that information from devices and prediction algorithms make well be the way forward but I fail to see how boots on the ground are obsolete just yet. Pest issues are highly localised - WOBM is a prime example. Bad information driving bad decisions can be very expensive indeed. If I were a greenie with reasonable IT skills and a malicious agenda, I'd be trying to hack the software for these tools!
Im bound to say this but boots in fields is the only way todate, I bought a drone and the programs to use it within agriculture, (what a fad!! at the moment) it takes good holiday photo though, 30 years ago I was told computers would take over the job of walking fields by a company based in Lincs, using logged in info, it did not work!!!!
 

Renaultman

Member
Arable Farmer
Location
Darlington
Im bound to say this but boots in fields is the only way todate, I bought a drone and the programs to use it within agriculture, (what a fad!! at the moment) it takes good holiday photo though, 30 years ago I was told computers would take over the job of walking fields by a company based in Lincs, using logged in info, it did not work!!!!
I was being mildly facetious, and rely heavily on boots on the ground both my agronomists and mine. I do also have a hell of a lot of time for the opinions of a lot of posters on here too.
 

Zippy768

Member
Mixed Farmer
Location
Dorset/Wilts
I had another look at mine today and despite what others are saying on here I found more beetles today in between heavy down pours than I did last week before i sprayed.

Theres dead plants and in places its looking thin, I hope with this rain itll pick up the N and motor on past them but on one field which I think will become winter barley i did gout after lunch and spread 12kg/ha off the heap with the fert spinner to see what happens.View attachment 834815View attachment 834816
Just to he nosey, what would be your plan after replacing the one field with WB, give osr another go there next year?
 

Brisel

Member
Arable Farmer
Location
Midlands
We have plenty :(. Treated once 10 days ago but not gonna spend any more.

What are you doing differently to me? Very few here, direct drilled into baled spring barley stubble but I did double roll it so the CSFB would have less places to hide (successfully). Don't you plough and combi drill yours? I'd have thought that would be pretty slug unfriendly.
 

Zippy768

Member
Mixed Farmer
Location
Dorset/Wilts
What are you doing differently to me? Very few here, direct drilled into baled spring barley stubble but I did double roll it so the CSFB would have less places to hide (successfully). Don't you plough and combi drill yours? I'd have thought that would be pretty slug unfriendly.
I thought the same. Ploughed and drilled. They were easy to find in the few damp days at emergence - before we had last weeks nice weather. Still a few pellets left over from that so hopefully they will find them.

A miscommunication :rolleyes: - dad thought he would roll it all the day after I drilled it, when I enquired why there was no roller about with rain on the way, he suddenly found himself with 60 acres to roll in the afternoon. He made sure he got over it all, but "rolled" might be a loose use of the word :(. So it could of maybe gone down a little harder.

I've got stubble turnips in next door fields drilled the same time and awfully into cultivated ground with copious amounts of spring barley straw and stubble.
Absolutely untroubled by either slugs or FB ?‍♂️
 

robbie

Member
BASIS
Just to he nosey, what would be your plan after replacing the one field with WB, give osr another go there next year?
Probably. Osr is only used as a break on land that's a ball ache to put beet on,eg too stoney,no where to tip, awkward shaped.

It'll go wb and them I'll see what's what next year. I'm not going to buy new seed if I do grow next year so itll either be fss from another field, over yeared seed from this harvest or bugger it and it'll stay as cereals and I'll say sod the rape.
 

Clive

Staff Member
Arable Farmer
Location
Lichfield
I agree that information from devices and prediction algorithms make well be the way forward but I fail to see how boots on the ground are obsolete just yet. Pest issues are highly localised - WOBM is a prime example. Bad information driving bad decisions can be very expensive indeed. If I were a greenie with reasonable IT skills and a malicious agenda, I'd be trying to hack the software for these tools!

I’ve seen sensor and monitor kit at Fera under development that would alert of such pests before the agronomist even got to the field

10 years from now the few agronomists that are left will be desk based if they still exist at all
 

Brisel

Member
Arable Farmer
Location
Midlands
Hmm. You can't dial out human observation & judgement just yet. It hasn't won the Americans any friends amongst the families of civilians killed by drones run from thousands of miles away because they weren't seen.
 

Luke Cropwalker

Member
Arable Farmer
The whole neonic ban really bugs me, Gove chose to put the views of a very vocal bee lobby before the unbiased scientific view. I might be looking at this issue to simplistically but there should only be 2 options. Either neonics ARE harmful to bees, in which case yes they should be banned but they should be banned worldwide or at least nothing should be imported that has used any form of neonic treatment. Or the Neonics AREN'T harmful to bees in which case they should be reinstated irrespective of any single issue pressure groups.
However I think we should accept that every action we take has consequences both for the positive and potentially for the negative. Has there been any positive effect on wild bees from the neonic ban? I doubt that will have been looked at yet. There is obviously a demand for oils such as rapeseed, if it were to become impossible to grow OSR on a global scale then from what source would the demand be met? I see little merit in following questionable science to help bees if it is to the detriment to rainforests for example. Does anyone know how many EU countries have applied for a derogation to continue to use neonics?
 

Gong Farmer

Member
BASIS
Location
S E Glos
According to one or two manufacturers at the time of the ban, neonic seed treatments were starting to be less effective anyway. Yes they were safer to the environment than sprays but still prone to resistance development and it's likely this would be an issue by now if the ban hadn't happened. So we'd likely be in the same boat now.
 

richard hammond

Member
BASIS
According to one or two manufacturers at the time of the ban, neonic seed treatments were starting to be less effective anyway. Yes they were safer to the environment than sprays but still prone to resistance development and it's likely this would be an issue by now if the ban hadn't happened. So we'd likely be in the same boat now.
I totally agree with that comment, I have been saying for a while , Did they Work?? Did I dream this but there was an area given a derogation to use neonics the year after the official ban and the results were not good?? Help!!
 

richard hammond

Member
BASIS
I’ve seen sensor and monitor kit at Fera under development that would alert of such pests before the agronomist even got to the field

10 years from now the few agronomists that are left will be desk based if they still exist at all
There is at present no alternative to" Feet in Fields" , I do agree things will change, but monitoring systems still need people who understand the desired end result to set standards.
 

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