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FOOD CROPS SUPPORTING/SIMILAR REQUEST
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| PR# | Pesticide(MFG) | Commodity (Crop Group) | Project Status | Req States |
13884
+
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MALEIC HYDRAZIDE
(
DREXEL,UPL NA
)
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TOMATO (FIELD)
(
08-10A = TOMATO SUBGROUP
)
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POTENTIAL: E/CS DATA BEFORE APPROVAL FOR RESIDUE STUDY (02)
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CA;
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| Reasons for need: |
Branched broomrape (Phelipanche ramosa), Egyptian broomrape (Phelipanche aegyptiaca).As a new and quarantine pest in CA tomato production there are very limited options for control and management of these parasitic weeds. We have one registered material for use (through a 24(c)) and are concerned about development of quick resistance because of the significant use in the impacted region (~20,000 acres currently with significant preventative use). This material, as trialed for multiple years by the Hanson lab, would provide another tool that is effective and stave off resistance:07/24;
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| Residue Data Sites: |
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| Performance Data Required: |
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| Use Pattern: |
Make 5 foliar applications of Sprout-Stop per season. The first two applications will be at 13.7 fl oz/a and will be applied at 100 and 200 Growing Degree Days (GDD) after planting tomatoes. The remaining three applications will be at 27.4 fl oz/a and made at 400, 700 and 1,000 GDD. Applications should not be made within 30 days of harvest.
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| Comments: |
Key Export Markets: Canada, Mexico, Britain, EU, Japan; requester is specifically pursuing processing tomatoes for CA. The submitted supporting data states that maleic hydrazide did not injure tomatoes. 2023 data showed average number of emerged broomrape custers was reduced over 80% by MH and Brad told me that his 2024 MH treatments looked fantastic until just recently:08/24/sb; Drexel Chem supports as Potential: E/CS Data Before Approval for Residue Study, with proposed use needing to be fine-tuned, if nominated:09/24/sb
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| State Requestor: |
CA:Hanson, B* ;
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Are you sure the use pattern, above, is suitable to your needs? If yes, please enter your contact information below, click “Submit”,
and a Supporting/Similar PCR will be submitted.
If no, or you are not sure, click
here
and you will be redirected to the new “IR-4 Minor Use Project Clearance Request Form”.
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