Auto Trader Ltd
Farminguk
23 August 2016 | Online since 2003
OvoConcept


27 February 2013 15:01:53 |Arable,Crops and Cereals,News

Follow first nitrogen with Galera for weed control in rape


The challenging autumn that offered little opportunity for pre-em herbicide applications and subsequent difficult establishment has led to many backward winter oilseed rape crops that are struggling to compete with the extra burden of broad-leaved weeds such as cleavers and crane’s bill.
But with the healthy price of oilseed rape, the majority of growers will be making sure that they manage their rape crops as carefully as possible this spring as this is the only way to better yields and profitability.
Several species of difficult and competitive broad-leaved weeds in winter oilseed rape such as sow-thistle, cleavers, mayweeds and crane’s-bill are already present in crops and, as soon as the weather warms up, they will be ready and waiting to romp away and cause yield and harvesting problems.
David Roberts of Dow AgroSciences points out that these weeds will need checking before they become too big a problem and growers should make sure that they have sufficient herbicide in the store now to tackle the problem as soon as conditions allow.
"Every year some fields on some farms have problem weeds such as cleavers, sow-thistle, mayweeds and creeping thistle that need tacking in the spring."
"Most advisors know from experience and farm history which fields are likely to warrant treatment. But where a metazachlor based product was not applied this autumn, I would think that more advisors may want to try to recover their position on weed control this spring and consider whole farm applications."
"As well as being very visible at flowering, problem weeds including cleavers, sow-thistle, mayweeds and creeping thistle compete directly and smother the crop, making harvesting much more difficult and more costly. Effective weed control is needed as soon as conditions allow."
David points out that there are few spring-applied herbicides for winter oilseed rape.
"Galera, based on clopyralid and picloram, is the main spring applied herbicide for winter oilseed rape due to its level of performance and its weed spectrum."
"It works best when weeds start to grow and when temperatures are starting to rise. For sow-thistles you need much less active growth than you do for cleavers. Applied at 0.35 l/ha, it will give excellent control of mayweeds, creeping thistles, sow-thistle and very good suppression of cleavers. Groundsel is also well controlled up to the 6 leaf stage and good effects on crane’s-bill have been reported.”
"But its spray window is quite narrow, so farmers need to get sufficient herbicide onto the farm ahead of the game, so that they are in a position to spray when they can."
"Galera can be applied from the 4 leaf stage of the crop up to the point just before flower buds are visible above the crop canopy – this cut off is usually at the end of March or beginning of April. Most rape crops are less developed than normal this year, but once the first nitrogen is applied and the weather warms up a bit, both weeds and crop will start to grow away."
"Farmers plagued with these difficult weeds need to make sure that they have Galera in the store in readiness for application applied around one week after the first nitrogen is applied. Then both crop and weeds will be starting to grow and there is a good compromise between weed shading and crop competition," said David.
David Roberts reminds growers of their responsibility of keeping pesticides well away from water courses.
“Extra care needs to be taken at time of spraying to avoid any contamination of water courses.”
Galera (267 g/L of clopyralid and 67 g/L of picloram formulated as a suspension concentrate) is recommended post-emergence in all varieties of winter oilseed rape for the control of broad-leaved weeds including cleavers, mayweed, sow-thistles and thistles.
It can be applied from the 4 leaf stage of the crop up until before flower buds are visible above the crop canopy. It is recommended at a dose rate of 0.35 l/ha and is compatible with a wide range of graminicides, insecticides and fungicides. It is packed in a 1 litre container.

Download

0 Comment

loginuserlogo
Name

Please enter your name


Email

Please enter your email

Please enter valid email


Comment

Please enter your comment


Post Comment

Your comment has been submitted successfully. Please wait for admin approval.


Comments

No comments posted yet. Be the first to post a comment


Canada | 23 August 2016
Drones are taking Ontario agriculture to new heights

Dr. Mary Ruth McDonald from the Ontario Agricultural College at the University of Guelph, said drones have become an important tool in a farmer’s toolbox in the last decade. "Even before that, peop...


Belgium | 23 August 2016
European study reveals dairy farm dust is stopping farm kids developing asthma

A Belgian study of European children growing up on dairy farms has revealed exposure to farm dust from an early age can prevent asthma. Researchers have tested the theory on mice, and found exposur...


Ireland | 23 August 2016
Tradition trumps technology at the marts

The traditional livestock trade continues to trump online selling. Despite the surge in digital buying across almost every industry, evidence suggests that farmers remain "on the fence" about the phen...


China | 23 August 2016
Shipping dairy cows to China is 'ecomomic treason', Winston Peters says

Dairy giant Fonterra has been accused of "economic treason" after shipping thousands of dairy cows from Timaru to China. However, the company says it is important to be realistic about the scale of...


USA | 23 August 2016
Flooding will cost state agriculture $110 million

Heavy rains that recently caused historic flooding in south Louisiana will cost the state’s agriculture industry at least $110 million, according to preliminary estimates from the LSU AgCenter. Tha...



Trending Now

Viewed
Discussed


Top stories you may have missed
FarmingUK
FarmingUK Logo

FarmingUK

The sustained recovery of pig prices since the spring has come at a time wh...


FarmingUK
FarmingUK Logo

FarmingUK

A World Trade Organisation (WTO) panel has declared the Russian import ban ...


FarmingUK
FarmingUK Logo

FarmingUK

A new study has linked oilseed rape crops grown from neonicotinoid-treated ...


FarmingUK
FarmingUK Logo

FarmingUK

Philip Hammond is to guarantee billions of pounds of UK government investme...


FarmingUK
FarmingUK Logo

FarmingUK

Access to the foreign labour market is 'critical', according the chief exec...


FarmingUK
FarmingUK Logo

FarmingUK

The Tenant Farmers Association has said the National Trust's vision for a p...


FarmingUK
FarmingUK Logo

FarmingUK

Ulster farmers will 'not lie down and wave the white flag' when Brexit nego...


FarmingUK
FarmingUK Logo

FarmingUK

The cost of rural crime to the UK economy costs £42.5 million a year, accor...


FarmingUK
FarmingUK Logo

FarmingUK

A young farmers club member from Oxfordshire has created a petition on the ...


FarmingUK
FarmingUK Logo

FarmingUK

The farming sector has reacted negatively to a proposal to reintroduce the ...


closeicon
Username
Password