printing: a new tool for grass and broadleaf ... -broadleaf weeds –in development...

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Post on 31-May-2020




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  • Printing:


    Barnyard grass


    Barnyard grass


    Barnyard grass

    We would like to acknowledge the training and advice received from the

    Barbara Sharanowski lab at the University of Central Florida and much

    behind-the-scenes support from Tactica Interactive and the U of MB Plant

    Science greenhouse and office staff.

    Thanks to everyone who brought in weeds to identify or helped test the

    grass key; to Jordan Bannerman who assisted with photography training,

    and to Aldo Rios, who illustrated key characters and lent moral and

    photographic support. Illustrations were supported by the University of

    Manitoba Faculty of Agriculture Endowment Fund.

    Special thanks all of our beta-testers and to the Mobile-IPM team, especially

    Ana Dal Molin, for her continued input and guidance.

    • Interactive, polyclave (multiple-entry) keys were developed using

    Lucid Builder 3.3, exported using the open Structured Descriptive

    Data (SDD 1.1) standard and made public through a customized

    application interface.

    • The species included were based on regional crop weed lists.

    • Research was conducted on taxonomic descriptions of each weed.

    • Species were grown from seed or observed in the field and

    photographed at each life stage.

    • A fact sheet was prepared for each species that lists all

    characteristics and includes photos of all life stages

    A new tool for grass and broadleaf identification on cropland in Western Canada Jo-Anne Joyce, Doug Cattani, Rob Gulden| Dept. of Plant Science| University of Manitoba, Winnipeg, MB R3T 2N2 Email:

    Grass and broadleaf identification keys are being developed as part of a free mobile application (Mobile-IPM) by the University of Manitoba.

    Mobile-IPM is designed to help Canadian farmers identify pests, and implement effective integrated pest management strategies. Components include:

    This poster focuses on the

    Weed identification tool.

    The Weed ID tool consists of 2 keys:

    -Grassy weeds (grasses, sedges and rushes) – available online and to be tested in real time, using your cell phone

    -Broadleaf weeds – in development

    Mobile-IPM’s weed ID tool will allow users to :

    -Identify the 200 most common weeds of cropland in Western Canada (MB, SK and AB)

    -Use a mobile phone to identify a weed while in the field, or with a sample in hand.

    -Identify weeds at any life stage (seedling, juvenile, maturity)

    An interactive identification tool for crop pests

    (insects, weeds & disease)

    A real-time pest monitoring and forecasting tool

    A crop management tool


    Weed ID Beta-test Procedure


    Project Overview

    Weedy Grasses of Cropland in Western Canada is available for beta-

    testing at: https://ipm-

    Live plant material is available to identify during the poster viewing so you may test the

    Weed ID tool using your phone.

    Start by loading the

    app via SQ or URL.

    Choose ‘Pest


    Pest identification

    What’s an auricle?

    Click on the Help

    button (?) for a


    Next, choose a part of

    the plant to focus on. In

    this example, we’ve

    chosen ‘Base of Leaf’.

    This is a good set of

    characters to start with

    when identifying


    Choose ‘Weedy

    Grasses of Cropland

    in Western Canada’

    The more features you

    identify, the more precise

    the results become.

    Notice the number of

    options in the top right-

    hand corner has

    decreased. Click on that

    number to access species


    Your plant lacks auricles

    and ligules, the stem is

    smooth and compressed.

    Your grass doesn’t

    appear to have

    auricles, but you

    check the options

    anyway. You check the

    illustrations, and

    reaffirm that your

    plant lacks

    auricles. You

    choose ‘Auricles


    Notice the number

    at the top right

    corner of the

    screen. It

    indicates the total

    number of species

    in the key.

    Your plant is probably

    Barnyard grass. Check the

    photo, and click on

    ‘Details’ to make sure all

    the characters fit.

    If the result is not a good

    fit for your plant, you may

    check other close

    matches, submit a photo,

    or press the ‘Feedback’

    button to send an email to

    the first author.


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