At the request of the NJ Dept of Agriculture, DEP Commissioner Martin today approved open burning and the use of smudge pots for tonight and Friday because of the extreme cold temperatures forecasted for those evenings. This approval mirrors the approval from 2012. Copies of the approval and restriction memo plus the list of Critical […]
Continue reading...April 23, 2015 Andy Wyenandt
Damping-off: Important Early-season Pathogens
It is extremely important to know which pathogen is causing damping-off problems and which fungicide to properly apply. The key to controlling damping-off is being proactive instead of reactive. Always refer to the fungicide label for crop use, pathogens controlled, and application rates. Damping-off is caused by a number of important vegetable pathogens and is […]
Continue reading...April 22, 2015 Andy Wyenandt
Controlling Septoria Leaf Spot in Parsley
Septoria leaf spot in parsley can cause significant losses in fields where it has become established. Like other Septoria’s, the leaf spots produced on parsley look much like the leaf spots produced on tomatoes and other crops. Septoria leaf spot overwinters from year to year on infected debris so long crop rotations of 2 or […]
Continue reading...April 22, 2015 Andy Wyenandt
Growers Guide to Protectant Fungicides
(FRAC groups M1 – M11)
Protectant (contact) fungicides, such as the inorganics (copper, FRAC group M1) and sulfur (FRAC code M2); the dithiocarbamates (mancozeb, M3), phthalimides (Captan, M4), and chloronitriles (chlorothalonil, M5) are fungicides which have a low chance for fungicide resistance to develop. Protectant fungicides typically offer broad spectrum control for many different pathogens. Why wouldn’t fungi develop resistance […]
Continue reading...April 22, 2015 Andy Wyenandt
Spear Damage in Asparagus
Spear damage in asparagus can be caused by diseases such as Phytophthora spear and crown rot and purple spot. However, other environmental factors during the spring can damage spears as they emerge from the soil. Wind – Periods of heavy winds during emergence will cause spears to bend.Winds can cause one side of the spear […]
Continue reading...April 22, 2015 Andy Wyenandt
Vegetable Disease Briefs – 4/22/15
Quadris 2F from Syngenta, the first strobilurin (FRAC group 11) fungicide on the market, is coming off patent and a number of companies are expected to apply to manufacture and sell is under another name. Thus, in the 2015 Vegetable Recommendations Guide you will see references to Quadris (FRAC group 11) switched to azoxystrobin (FRAC […]
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