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Get the BMS Trait-Linked Markers Germplasm

  • ▸ Maize
    • Get Started
      • Design Crossing Nursery
        • Make Field Plan & Labels
          • Make Crosses & Harvest F1 Seed
            • Design F1 Nursery, Advance, & Harvest F2 Seed
              • Design F2 Nursery, Advance, & Harvest F3 Seed
                • Trial Design & Planting
                  • Trial Data Collection
                    • Single Site Analysis: 4 Location Batch
                      • Multi-Site (GxE) Analysis
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                              Trial Design & Planting

                              BMS 7.0-8.0 Tutorials

                              Summary

                              This tutorial describes how to design a field trial to evaluate 32 (entries) germplasm for 6 phenotypic traits replicated three times at 4 locations. The experimental design is a resolvable incomplete block design, specifically an alpha lattice design.

                              • Design Trial
                                • Trial Details & Settings
                                • Germplasm
                                • Environments
                                • Experimental Design
                                  • Import Trial Design
                                • Measurements
                              • Create Planting Labels (Optional)
                              • Reserve & Withdraw Trial Germplasm: Optional
                              • Related Materials

                              Design Trial

                              Trial Details & Settings

                              • From Manage Trials, select Start a New Trial.

                              • Establish basic trial details. Leave the default settings and establish a name and description.
                                • Name: Performance Trial
                                • Description: 2017
                              • Select Add in Trial Settings to add management details. Select STUDY_INSTITUTE and COOPERATOR from dropdown menu. Fill with your details. Select Save.

                              • Select + icon. Enter '2017' as folder name. Select green check icon.

                              • Select Trial folder to complete save.

                              Germplasm

                              • Under Germplasm Tab, Browse for a germplasm list.

                              • Select the Trial Germplasm list.

                              The 32 germplasm entries are now loaded into the trial.

                              Environments

                              • Under Environments Tab, specify four environments for the trial and select OK. Four environments will now populate the screen below.  

                              • Add Location Name in Environment Details.

                              The 4 environments correspond to the following location names:

                              • ?Environment 1: Agua Fria - (AF)
                              • Environment 2: Sabana Del Medio - (SDM)
                              • Environment 3: Jutiapa - (JUT)
                              • Environment 4: Tlaltizapan - (TLA)

                               

                              • Select the correct location name from the favorite location drop down menu. The correct name should match the environment number of the example data.

                              Experimental Design

                              About the Experimental Design
                              The BMS supports the randomization of several types of experimental design. This experiment has a resolvable incomplete block design, where all germplasm are replicated 3 times at 4 locations containing 4 incomplete blocks.  The advantage of this design over a randomized complete block is the ability to control for environmental heterogeneity within a location. For this design the number of germplasm entries must be evenly divisible by the size of the block  (32 germplasm /4plots per block = 8 blocks per replicate).

                              Import Trial Design

                              • Every design generated by the BMS will have a different randomization. To use tutorial example data, upload an experimental design file to match trial design to preformatted data import files. Select import experimental design from Actions Menu and browse to the import file. Select Continue.
                                Experimental Design File: Trial Design (.csv)

                              • Disregard the warning message. This experimental design is verified and compatible with BMS analysis tools. There are no unmapped variables. Select Next.

                              • If you have generated a trial design, select Yes to overwrite the previous design.

                              • Review design details and select Finish at the bottom of the pop-up window.

                              • Review the import details. Save and select the measurements tab.

                              Measurements

                              Once the trial design is saved, the measurements table is populated with independent variables and the dependent trait variables can be specified.

                              • Add phenotypic traits by selecting Add.

                              • Search for the six traits by typing details of the individual traits in the selection bar.  For example typing the first few letters of ‘Yield’ reveals all of the related measurements.

                              • Add the trait, GY_FW_kgPlot, grain yield by fresh weight in Kg/plot to the trial. Repeat by adding other traits of interest.
                                • Grain Yield Fresh Weight (GY_FW_kgPlot,): Grain yield fresh in kg/plot
                                • Grain Moisture (GMoi_NIRS_pct): Grain moisture %
                                • Plant Height (PH_M_cm): Plant height to the insertion of the first tassel branch
                                • Ear Height (EH_M_cm): Ear height BY EH - Measurment IN Cm
                                • Grain Yield Dry Weight (GY_DW_gPlot): Grain yield dry in g/plot
                                • Anthesis Date (Ant_DT_day): number of days from sowing to when 50% of the plants shed pollen.
                              • Save the trial.

                              Create Planting Labels (Optional)

                              Trial design is complete when the measurements table is saved. Trial labels are available for seed packing and plot marking.

                              • Select Create Planting Labels under Design and Planning options in Actions.

                              • Choose Excel as the output format. Excel format is a suitable input for a variety of label-making software options, including Bartender or Word (see video on using Word with BMS to create labels with barcodes).

                              • Choose details to include on label text.

                              • Select Yes in the Barcode options
                              • Barcode your labels with unique plot id. Export label.

                              • Proceed without saving the label settings.

                              • Review the .xls file. The barcode is a unique PLOT_ID, which matches plot to seed inventory and phenotypic observations.

                              • Create labels with your label making software. The set of trial labels can be printed twice to label: the seed destined for the trial and (2) the trial plots in the field.

                              Reserve & Withdraw Trial Germplasm: Optional

                              If 40g of seed are needed per trial plot, and each trial germplasm is replicated 3 time over 4 environments - each trial germplasm entry requires a reservation and withdrawal of 480g of seed. Trial labels can be used to track and match packaged seed to appropriate plots.

                              • From Manage germplasm browse and select the Trial Germplasm list. Close browse list popup window.

                              • Open the list in Inventory View.

                              • Select al 32 entries and Reserve Inventory.

                              • Enter 480g for seed amount. Select Commit seed withdrawal on saving to complete the reservation/withdrawal in one step. Finish.

                              • Save changes.

                              If you are working alone, TOTAL WITHDRAWALS will reflect your 480g withdrawal for each entry. If you are in a workshop with concurrent users, the total withdrawn by everyone will be reflected. When all of the seed is gone or reserved, you will no longer be able to make reservations and withdrawals.

                              Related Materials

                              BMS Manual
                              Manage Trials
                              Install Breeding View

                              Maize Tutorials
                              Trial Data Collection
                              Single Site Analysis
                              Multi-Site Analysis

                               

                              Funding & Acknowledgements
                              The Integrated Breeding Platform (IBP) is jointly funded by: the Bill and Melinda Gates Foundation, the European Commission, United Kingdom's Department for International Development, CGIAR, the Swiss Agency for Development and Cooperation, and the CGIAR Fund Council. Coordinated by the Generation Challenge Program the Integrated Breeding Platform represents a diverse group of partners; including CGIAR Centers, national agricultural research institutes, and universities.

                              Maize ?demonstration data was provided by Mike Olsen at CIMMYT International Maize and Wheat Improvement Center. These data have been adapted for training purposes. Any misrepresentation of the raw breeding data is the solely the responsibility of the IBP.
                              Creative Commons License
                              This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License?
                              Page published on: November 17, 2017 3:13am
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