Trial Reports (by Crop Type)

The current study was developed to examine agronomic attributes (yield, height, maturity) of European-origin flaxseed cultivars and to see if they have a competitive advantage and agroclimatic fit within Manitoba flax production areas.

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The current study was developed to examine agronomic attributes (yield, height and maturity) of European-origin flaxseed cultivars and to see if they have a competitive advantage and agroclimatic fit within Manitoba flax production areas.

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Canola is quite susceptible to water logging and shows a yield reduction if exposed to excess moisture in the earlier phase of crop growth. Wet soils cause an oxygen deficiency, which reduces root respiration and growth. This reduces nutrient uptake, and if conditions persist, plants can die or prematurely senesce (Canola Council of Canada). With wet conditions, roots may be shallow and not able to access nutrients once the soils begin to dry. A few days in waterlogged soil can be enough to kill canola plants, and yield loss is certain — although as canola plants age, they tend to be more resilient. The current study was designed with the objective to determine if canola variety agronomic attributes (maturity and height) and seeding rate can be used to dictate canola yield and performance under excess moisture conditions. Three canola varieties and three seeding rate combinations were evaluated under excess moisture and ideal growing (on tile drainage land) conditions.

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Over the growing season, flax water use may be as high as 41 cm (16 in.). During the seedling stage, water use will range from 1 to 3 mm/day, rising to a high of 7 mm/day during the flowering stage. The critical water requirement period for flax is from flowering to just prior to seed ripening (Saskatchewan Flax Development Commission). However, excess water at early crop stages might affect flax adversely. Chlorosis can occur on flax when soil moisture is high, particularly on calcareous (high lime) soils and it can significantly affect flax productivity. The flax variety AC Emerson has shown the greatest tolerance to chlorosis conditions (Manitoba Agriculture). Flax reaction to excess moisture varies considerably depending on crop stage and soil type. A recent study from Manitoba shows that irrigation increased total average yield of flax, even when conditions of excess moisture were prevalent in 2016 (Cavers et al, 2017). The current study was undertaken to understand excess moisture effects on different flax varieties. Eight commonly grown flax varieties were planted in a replicated trial both under irrigated and non-irrigated set up to see if there is any irrigation-variety interaction towards flax productivity.

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To determine if optimum seeding rates differ by crop type and for individual varieties and to assist producers with the annual question of what target plant stands and seeding rates to aim for regarding newer spring cereal varieties.  This project was conducted at four Manitoba Agriculture diversification centres in Manitoba including at Carberry, Arborg, Roblin and Melita.

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 To determine if optimum seeding rates differ by crop type and for individual varieties and to assist producers with the annual question of what target plant stands and seeding rates to aim for regarding newer spring cereal varieties.  This project was conducted at four Manitoba Agriculture diversification centres in Manitoba including at Carberry, Arborg, Roblin and Melita.

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To determine optimum plant populations for spring wheat, oat, and barley, and will determine if optimum plant population differs for individual cultivars.

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1) Determine if target plant stand recommendations should be adjusted for spring wheat, oat, and barley 2) Determine if optimum plant stands differ for individual varieties 3) Assist producers with determining target plant stand and seeding rate for newer spring cereal varieties

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1) Determine if target plant stand recommendations should be adjusted for spring wheat, oat, and barley 2) Determine if optimum plant stands differ for individual varieties 3) Assist producers with determining target plant stand and seeding rate for newer spring cereal varieties

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To determine if optimum seeding rates differ by crop type and for individual varieties and to assist producers with the annual question of what target plant stands and seeding rates to aim for regarding newer spring cereal varieties.  This project was conducted at four Manitoba Agriculture diversification centres in Manitoba including at Carberry, Arborg, Roblin and Melita.

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