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he Weekly ANCHOR
Farm & Fieldarm & Field
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THE WEEKLY ANCHOR
News and Views
News and Views
THE WEEKLY ANCHOR
PAGE 22 MONDAY JULY 1, 2019 MONDAY JUNE 24, 2019 PAGE 11
T he Weekly ANCHOR
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Farm & Fieldarm & Field


News and Views
News and Views



Be on the lookout for late blight




This disease affects mainly potatoes and tomatoes and continues to be a risk for all solanaceous crops grown in Alberta


“Over the last few p r e s e n c e o f t h e tomato family - grown if conditions are material as quickly as cannot develop further.
years, there has been a pathogen, have resulted in Alberta this year.” moderate and wet or possible, removing Protective fungicide
great deal of concern in in detections of late Spencer says that all humid. diseased parts if it is on applications can be
Alberta surrounding blight in commercial, growers of potatoes and Spencer recommends a small scale, or killing used if conditions
late blight, a serious market garden and tomatoes should be contacting the Alberta out plants so disease favour disease. -
disease that affects urban potato and vigilant to try to catch Ag-Info Centre to AgriNews
mainly potatoes and t o m a t o c r o p s any diseased material determine if further
tomatoes,” explains throughout parts of early on before a testing is required and
R o b e r t S p e n c e r , Alberta in previous significant outbreak to discuss management.
c o m m e r c i a l years. can occur. In the early “Please do not hesitate
horticulture specialist “ A n u m b e r o f season, growers should to report an incidence,
at the Alberta Ag-Info different strains of the watch for: as early awareness will
Centre. pathogen have been Tomato transplants help to prevent and
This disease is caused identified in different and newly emerged contain an outbreak and
by a fungal pathogen years, each being more potato shoots with can help others protect
called Phytophthora or less aggressive on water-soaked leaf their crops.”
infestans. Spencer says either potatoes or lesions. He adds that while
that the favourable tomatoes. Late blight Plants that develop u n d e r t a k i n g
conditions for disease continues to be a risk lesions early on in the i d e n t i f i c a t i o n ,
d e v e l o p m e n t , for all solanaceous season or as the season producers should
combined with the crops - potato and progresses, particularly dispose of infected

Roll on, cropping






The benefits of rolling a crop - either after seeding or after

Kids Make A Difference is sponsored by: emergence - and tips to ensure its success
PASSPORT PHOTOS & MORE
“Rolling the crops is a great way to improve the heat of the day when the plants are slightly Professional Digital Passport System photos
ease of harvest,” says Harry Brook, crop wilted. ready in minutes while you wait...
specialist at the Alberta Ag-Info Centre. “The “Rolling in the morning, when plants are full
biggest benefit is pushing rocks down into the of water and turgid, leads to more broken
earth and preventing them from causing stems,” explains Brook. “It can lead to the
damage to the combine or other harvest production of more secondary stems, but it will
Sand & Gravel Sales/Hauling equipment.” delay crop maturity.”
“Damaged plants can also be more
Brook says that in cereals used for silage,
Quality Work rolling allows for a maximum harvest of plant susceptible to disease. If there is a lot of dew
Serving Edson & District Since 1974 materials. on the crop and disease is present, rolling can
780-723-5152 “In pulses, such as peas and lentils, it makes actually help spread leaf diseases.”
harvest easier as a heavy pulse crop is often He says that rolling peas should be done
lodged at harvest time. With pulses, it can lead when the crop is at the two to three node stage.
to less ‘dirt tag’ on the seed, which is a In lentils, it should be done before the seven
downgrading factor for human consumption in node stage. Both crop and soil surface should
peas.” be dry when rolling to reduce damage to the
He adds that in some cases, producers will crop. Rolling when the soil surface is wet will
roll barley and get increased ‘stooling’ or lead to some plants being uprooted and killed.
secondary stem production following the To ensure rolling is successful, Brook says to
rolling, which helps increase dry matter yield. delay the rolling if the crop is stressed by heat,
Some problems can occur if the crop is rolled drought, frost or a herbicide treatment.
at the wrong time or on wrong soil conditions “Rolling is stressful to an emerged crop and it
and Brook says that rolling should occur with will take time to recuperate from the operation.
an empty roller - no water ballast is needed. In the same vein, wait a few days either before
“Rolling land can pulverize the soil and break or after herbicide application once the crop is
down soil aggregates, making the topsoil rolled. Minimize double rolling. It is better to
susceptible to wind erosion. That is a big issue. go around on a field rather the back and forth
In low organic matter or fine textured soils, it and double roll the headlands. Slow down
can also lead to puddling and crusting of the when turning and avoid sharp turns as tractor
DROP IN AND SEE!ROP IN AND SEE!
soil surface, creating a barrier to crop tires can possibly do more damage than the D
emergence. This is part of the reason why a lot rolling.”
of crop rolling is done after emergence.” Brooks adds that rolling cereal crops and 5040 3rd Avenue, Edson
5040 3rd Avenue, Edson
He adds that pre-emergent rolling is not pulses can be a very effective way to reduce the
recommended under extreme wet conditions on difficulties of harvesting a crop close to the
780-723-5787
clay soils or clay soil with low organic matter. ground. “However, to prevent any potential 780-723-5787
“It is also not recommended on sandy or dry losses from the rolling, it needs to be done at
soils due to erosion risk. Peat soils will not roll the right time and in the right way. Keep rolling
T
well.” along.” -AgriNews The Weekly Anchorhe Weekly Anchor
Rolling an emerged crop should be done in
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