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Flax Fibre Production Systems. B. Irvine, D. McAndrew, S. Shirtliff, C. Vera, Biolin. Results why man I’ve gotten lots of results; I know of at least a thousand things that won’t work. . Thomas Edison. There needs to be a supply of high quality fibre to ensure profit for processor and farmer.

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Flax Fibre Production Systems

B. Irvine, D. McAndrew, S. Shirtliff, C. Vera, Biolin


Results why man I’ve gotten lots of results; I know of at least a thousand things that won’t work.

Thomas Edison


There needs to be a supply of high quality fibre to ensure profit for processor and farmer

  • Impact of seeding rate and cultivar

  • How does nitrogen and fungicide application affect seed and fiber

  • What is the best way to treat flax before harvest to ensure high seed and fiber yield with rapid retting

  • What is the impact of field location and cutting height of fibre content and yield


Summary of seeding rate and date

  • Cultivars did not interact with seeding rate or date

  • Plant population increased nearly linearly with seeding rate

  • Early seeding > seed yield linear decrease over seeding rates due in part to lodging and possibly narrow rows

  • Fiber yield increased with seeding rate


Sweep planted


Hoe planted


Impact of seeding date on fibre yield kg ha-1


Impact of seeding rate on fibre content %


Impact of seeding rate on fiber yield kg ha-1


Impact of seeding rate on stem diameter mm


Nitrogen and Fungicide impacts

Is there value to applying Headline at various Nitrogen rates?


Nitrogen *fungicide

  • Fungicide application increased yields if disease pressure was higher

  • At some sites this impact increased with nitrogen application rate

  • Seed and fiber yields increased with N over the entire range

  • Stem size greater with more nitrogen to be expected

  • Decision as always is based on risk management and in most season in the major flax growing areas a question mark


Harvest system impacts

Reglone, glyphosate and swathing

Samples left in field for 0 to 7 weeks in fall


Fried test across sites


Slope position and cutting height

In many areas there is a fair bit of topography

What is the variation with the field in fiber yield and can we predict this


Anova for landscape position


Correlations of fiber yield with other factors


Impact of Cutting height on yield


Impact slope position


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