brassica validation study
DESCRIPTION
Brassica Validation Study. Protocol Issues. Draft protocol timing/development 2 Study Directors US GLPS for Field Portion (GLP “Light”). Protocol Issues. 8 crops of interest in one study 8 crop observations on each app date and tracking during crop cycles. 1 day PHI - PowerPoint PPT PresentationTRANSCRIPT
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Brassica Validation Study
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Protocol Issues
• Draft protocol timing/development• 2 Study Directors• US GLPS for Field Portion (GLP “Light”)
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Protocol Issues• 8 crops of interest in one study• 8 crop observations on each app date and
tracking during crop cycles.• 1 day PHI• Sampling to occur on the same date for all crops• All Untreated crop samples collected first• 8 each Part 7A Sample Collection & Storage
Forms• 6 different Sampling Fractions by crop• 2 Minimum Sample Sizes by crop
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Protocol Issues
• 2 Application Types in the same study• Directed Foliar Applications #1 & 2 of 5 total• Foliar Broadcast Applications #3,4,&5• Field Tank Mixes of 3 Test Substances• APP.#1 = Provado 1.6F• APP.#2 = Provado +Switch 62 WDG• APP.#3,4,&5 = Provado + Switch + Spinosad
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Protocol Issues
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Protocol Issues
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Protocol Issues
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Protocol Isqsues
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Protocol Issues
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Protocol Issues
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Protocol Issues
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Protocol Issues
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Protocol Issues
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Study Conduct Issues• Days to Harvest:• Broccoli /85 days • Cabbage / 80-90 days• Kale /80-85 Days• Chinese Napa Cabbage / 65days• Kohlrabi /50-60 days• Bok Choy / 55 days• Mustard Greens /35days• Chinese Broccoli /44 days
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Study Conduct Issues
• Broccoli,Cabbage, and Kale:Greenhouse plant date= 9/05/08Field transplant date = 10/15/08• Napa cabbage,Kohlrabi,Bok Choy,Mustard
Greens,Chinese BroccoliGreenhouse plant date=9/22/08Field transplant date= 11/17/08• Test Substance Application #1 =11/25/08 to all
of the crops
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Study Conduct Issues• 11 other studies at the same time including a
Canadian trial(my first one)• Weather impacts/possibility of winds and our
annual rainfall occurring near the end of the study
• Whitefly and worm control on the untreated plots/whitefly overwinters on broccoli
• What are the good growing practices for Chinese Broccoli etc in my growing area?
• Water salinity impacts on specialty crops { 1ton of salts in 1 acre foot of irrigation water};ph =8
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Study Conduct Issues
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Study Conduct Issues
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Study Conduct Issues
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Study Conduct Issues
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Study Conduct Issues
• Impacts of soil salinity and type (silty clay loam) on specialty crops
• Accurate measurement of large carrier volumes for spray solutions.
• Adequate freezer space to hold samples for all of the studies
• Timely shipping of samples to EPA lab during the Christmas and New Years holiday
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Study Conduct Issues
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Study Conduct Issues
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Study Conduct Issues
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Study Conduct Issues
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Study Conduct Issues
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Study Conduct Issues
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Study Conduct Issues
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Study Conduct Issues
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Thank you to : Dr. Bill Barney. Marylee Ross Stephen Flanagan BeckySisco Jim McFarland & Martin Beran Keithly Williams Seed Company