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Adjuvants & Formulations

Bimonthly newsletter for agchem specialists (former Adjuvant Newsletter)

 

November / December 2014



We wish you a Merry Christmas and a Happy New Year! On the above card you see our new logo and you get a first impression of our new house style. Hans de Ruiter and Gert van den Berg

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Seed coatings with adjusted release profile
A controlled-release formulation protects germinating seeds from a too high pesticide dose. Controlled release of active ingredients may also substantially elongate the period of good performance of the pesticide. Seed scientists are also interested in a delay of the activity of seed-provided pesticides till the plant has the desired growth stage. Adjuvants & Formulations reports about recent patent applications covering such innovative formulations.


Seedcoats differ in permeability to systemic seed treatments
Seedcoat permeability of active ingredients differs per plant species. American seed scientists have developed a method to categorize plants in permeability classes. Understanding of seed treatment uptake during germination is a crucial step towards developing or improving seed treatment formulations, the researchers say.


Patents in brief
Formulators have managed to combine polyacrylamide and an EO/PO block copolymer in a W/O emulsion. In this way the inventors combine the wetting properties of an EO/PO block copolymer and the water retention properties of polyacrylamide. In this issue of Adjuvants & Formulations also patent pending fluid termite bait formulation that flows into and adhere onto the inner surface of voids in structures created by termite tunneling or chewing, new OD formulations, an apparatus to formulate entomopathogenic fungi in biodegradable oil and granular, water surface-floating pesticide formulations for use on paddy fields.


Apps: SnapCard
An adjuvant selector or an application tool – app stores have dozens of useful and interesting applications for mobile devices. In this issue the SnapCard app, an application that compares obtained spray coverage, measured by water sensitive spray cards, with “expected” spray coverage based on agronomic variables, weather conditions, and spray settings.



And further in this issue
Nanoscale fibers as carriers for active ingredients.
Picture by M. Cooper, University of California Integrated Viticulture
? Seed coating formulation with authentication compound.
Seed treatment with nano-sized iron pyrite.
Soil surfactant stimulates invasive grass.
Where is the NANO in our food?
Wheat gluten and nanoclays appeared to reduce the mobility of pesticides in soil.
Microencapsulated mixture of fipronil and chlorpyrifos for the management of white grubs.
The wettability of PTFE and glass surfaces by nanofluids.
Effects of highly hygroscopic salts.
Weed control with liquid carbon dioxide.
Adjuvant and formulation news from Entomology 2014 and from the ASA, CSSA & SSSA Annual meeting.
An overview of the recent adjuvant and formulation literature, including hyperlinks to original sources.
A selection of agrochemistry related news in other media.



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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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