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Adjuvants & Formulations
Bimonthly magazine for agchem specialists (former Adjuvant Newsletter) | |
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The challenge of combining contact and systemic fungicides in one formulation
Systemic
fungicides must cross the cuticle. Contact fungicides work through
direct contact with pathogens on leaf and stem surfaces. How do
formulators get both types of active ingredients to the place where they
exert their controlling effect? Adjuvants &
Formulations focuses on three major players: captan, chlorothalonil and
mancozeb. The development of sustained-release formulations for
multisite fungicides and their mixtures with systemic fungicides shows
that surprising innovations can be expected. | |
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News in brief
German
researchers have microencapsulated copper sulphate/copper hydroxide
into a fat matrix. Field experiments demonstrated that encapsulated
copper was as effective as a commercially available copper-based
fungicide.
Picture: CryoSEM picture of microencapsulated copper near a stoma of a grape leaf. Karin Weitbrecht et al.; 2021.
More news in this issue:
- Cyantraniliprole: A new insecticidal seed treatment for U.S. rice.
- Biodegradable polymers as carriers for tuning the release and improve the effectiveness of herbicidal plant extract.
- Application of methyl salicylate induces defence against bacterial blight of rice.
- Review of dose expression and crop dependent dose adjustment.
- Cinnamon cassia oil emulsions stabilized by chitin nanofibrils.
- Novel methodology for encapsulation of lipophilic bioactives.
- QSPR for predicting the HLB of non-ionic surfactants.
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Patents in brief
Suspension
concentrates are typically aqueous dispersions of a (virtually)
water-insoluble active ingredient. Due to the risk of dissolving during
storage, Ostwald-ripening or gelling, suspension concentrates do not
lend themselves to the formulation of water-soluble active ingredients.
BASF has found stabilisers that make it possible to prepare stable
suspension concentrates of its new water-soluble insecticide
dimpropyridaz.
Adjuvants & Formulations also reports about activities of other companies as well as universities, such as:
- Dimesulfazet formulations for weed control in paddy rice.
- Low volatile and low leaching dicamba formulation.
- Mancozeb polyelectrolyte macromolecular complex.
- New disintegration system for water-dispersible granules.
- Use of tris(2-ethylhexyl) phosphate as penetration enhancer for herbicides.
- Compatibiliser for suspension concentrates with high adjuvant content.
- Cationic plant nutrient compositions that are compatible with glyphosate and glufosinate.
- Natural nanostructured lipid carriers for essential oils.
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Interested in the Adjuvants & Formulations magazine?
Adjuvants &
Formulations is a bimonthly digital magazine published by SURfaPLUS
Services. On our website you will find additional information about this
magazine, including information about subscriptions.
Adjuvants &
Formulations focuses on all companies, institutions and individuals
involved in the production, distribution, sale, use and registration of
adjuvants and formulations.
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