ProBlad Verde Information
ProBlad Verde is another fungicide product approved for CLR control in Hawaii. This product can be incorporated into a spray program and spray rotation to prevent pesticide resistance.
HDOA approved a 24(c) Special Local Need Label for an organic biofungicide, ProBlad Verde. This product has also been included on the HDOA CBB/CLR pesticide subsidy list. |
ProBlad Verde fungicide works on contact, leaf tissue absorption, and has translaminar properties. It is driven by multiple-site modes of action to control fungal diseases within eight hours of contact. Priaxor Xemium is another product that has translaminar properties. Translaminar fungicides move into the sprayed leaf and a reservoir of fungicide (active ingredient) is held within the leaf for a limited amount of time (typically up to a few weeks). Contact fungicides do not provide this extended period of protection.
ProBlad Verde is most effective when applied before or around the onset of disease development. Apply at critical timings for disease control. Begin treatments prior to extensive rain season and or when environmental conditions (rain/irrigation) are conducive for disease development and reproduction. If disease symptoms are evident, spray the leaves and the orange colored spores directly. Apply to the top and (especially) bottom surface of all coffee leaves. Full coverage of leaves is important. Spray to wetness but avoid runoff.
ProBlad Verde requires two to four hours drying time on plant foliage for the active ingredient to be moved into the plant tissue before rain or irrigation occurs. If, during the next 12 hours it rains significantly, a new application will be needed during the next 4 days.
Producers using ProBlad Verde on coffee in Hawaii will need to follow all Section 24(c) and product specimen label directions and instructions. It is a violation of federal law to use this product, or any pesticide, in a manner inconsistent with its labeling. The label is the law.
ProBlad Verde is most effective when applied before or around the onset of disease development. Apply at critical timings for disease control. Begin treatments prior to extensive rain season and or when environmental conditions (rain/irrigation) are conducive for disease development and reproduction. If disease symptoms are evident, spray the leaves and the orange colored spores directly. Apply to the top and (especially) bottom surface of all coffee leaves. Full coverage of leaves is important. Spray to wetness but avoid runoff.
ProBlad Verde requires two to four hours drying time on plant foliage for the active ingredient to be moved into the plant tissue before rain or irrigation occurs. If, during the next 12 hours it rains significantly, a new application will be needed during the next 4 days.
- SLN label rate of ProBlad Verde is 45.7 fl. oz. per acre in at least 50 gallons of water per acre.
- Consider adding a nonionic surfactant or organosilicone product for better spreading of the product+water on the leaf surfaces.
- Final solution pH should NOT be/end at 5.5, but can be adjusted through a pH of 5.5.
- Apply to the top and (especially) bottom surfaces of all coffee leaves.
- Use proper attire, mask, gloves, eye protection, etc. (PPE) listed on the product label.
- Do not re-enter the sprayed area for at least 4 hours after spraying is completed. REI is 4 hours.
- Do not make more than five foliar applications of ProBlad Verde per crop season.
- Rotate the use of ProBlad Verde (FRAC BM01) with other approved fungicides that have a different mode of action such as Double Nickel, Serenade, a copper-based product, OxiDate, or Priaxor.
- Do not harvest until 1 day after last application of ProBlad Verde.
Producers using ProBlad Verde on coffee in Hawaii will need to follow all Section 24(c) and product specimen label directions and instructions. It is a violation of federal law to use this product, or any pesticide, in a manner inconsistent with its labeling. The label is the law.
Compatibility with Other Products
Per communications with Sym-Agro (5/12/22):
BotaniGard or Mycotrol and ProBlad Verde:
The testing has not yet been done to tank mix ProBlad Verde and Beauveria (BotaniGard/Mycotrol). The recommendation is to NOT mix the two until testing is done. As ProBlad Verde is a fungicide, it could kill the Beauveria spores if mixed.
Foliar Fertilizers and ProBlad Verde:
Ok to mix, but conduct a jar test when mixing products together for the first time to determine physical compatibility.
OxiDate 2.0 or 5.0 and ProBlad Verde:
Ok to mix, but conduct a jar test when mixing products together for the first time to determine physical compatibility.
Serenade ASO and ProBlad Verde:
Ok to mix, but conduct a jar test when mixing products together for the first time to determine physical compatibility.
Insecticides and ProBlad Verde:
Ok to mix, but conduct a jar test when mixing products together for the first time to determine physical compatibility.
Horticultural Oils and ProBlad Verde::
Ok to mix at 1% oil rate, but conduct a jar test when mixing products together for the first time to determine physical compatibility.
Per communications with Sym-Agro (5/12/22):
BotaniGard or Mycotrol and ProBlad Verde:
The testing has not yet been done to tank mix ProBlad Verde and Beauveria (BotaniGard/Mycotrol). The recommendation is to NOT mix the two until testing is done. As ProBlad Verde is a fungicide, it could kill the Beauveria spores if mixed.
Foliar Fertilizers and ProBlad Verde:
Ok to mix, but conduct a jar test when mixing products together for the first time to determine physical compatibility.
OxiDate 2.0 or 5.0 and ProBlad Verde:
Ok to mix, but conduct a jar test when mixing products together for the first time to determine physical compatibility.
Serenade ASO and ProBlad Verde:
Ok to mix, but conduct a jar test when mixing products together for the first time to determine physical compatibility.
Insecticides and ProBlad Verde:
Ok to mix, but conduct a jar test when mixing products together for the first time to determine physical compatibility.
Horticultural Oils and ProBlad Verde::
Ok to mix at 1% oil rate, but conduct a jar test when mixing products together for the first time to determine physical compatibility.
Pesticide record keeping forms and WPS information
- HDOA pesticide record keeping log
- Example of HDOA pesticide record keeping log for Priaxor
- Example of a more detailed pesticide record keeping log for Priaxor (blank log)
- Worker protection Standard information (WPS) including training videos and materials
- WPS Train the Trainer information to become certified to train your workers in WPS
- Fit testing for respirators (example resource); Search "free respirator fit testing certification online" for potential options
Mention of a trademark or proprietary name does not constitute an endorsement, guarantee, or warranty by the University of Hawaii Cooperative Extension Service, Hawaii Department of Agriculture, University of Southern California, or its employees and does not imply recommendations to the exclusion of other suitable products.
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