It will soon be that time of year again , when Nipponese overhang ( JB ) adults begin to vanish ! However , there have been some change to acceptable ascendance productsfor JB grower need to be aware of in gild to be in compliance with certification programs for this pest .
This spot highlights changes to intervention and also cater anupdated infographic for JB controlfor those exporting to non - JB area ( both domestically and to the United States ) .
Infographic developed by S. Jandricic in collaboration with the CFIA . Only applicable to Ontario crops .
Step 1: Do You Need to Treat For JB at All?
As always , you need tostart with the decision tree ( pictured below ) to settle whether you even need to spray at all . If your plants have been grow indoors during decisive periods , or you ’re not transport to country that restrain Japanese beetle ( i.e. class 1 and 2 provinces / states ) , then you might not have to .
We ’ve made some change this class to make the decision tree a little more clear , so be sure to download the most late versionat the bottom of this mail .
In summation , we’ve also added a sum-up mesa of which stipulation / programs you must fall underto make your producteligible fordomestic shipment out of Ontario , as well any requisite / exception ( for example , root ball size ) .
Further information on shipping requirement to the U.S. can be found underSection 6.1of theD-96 - 15 Phytosanitary Requirements .
Step 2: Pesticide Choice and Timing
Now that you ’ve trope that you DO need to habituate chemical controls for JB , the next query isWHAT do I apply and WHEN ? As there areonly 3 products read for JB certification programsin Ontario , the “ what ” part is promiscuous ( see the infographic , below ) .
However , some of import change have been made :
Important Reminders
There ’s always at least 1 grower who misses this each year : please note that there areNO ACCEPTABLE PRODUCTS you may APPLY FOR JB CONTROL FROM MAY 15 - JUNE 15.Why ? relate tothis poston the timing of JB pupae and their susceptibleness to pesticides .
Because there is a window where you ca n’t apply product , we powerfully suggest growers shipping in later spring / early summertime ( i.e. May 1 - July 15 ) ensure they get a curative app of Acelepryn on BEFORE MAY 15THto avoid any payoff with merchant marine to non - JB areas ( both domestically and to the U.S. ) .
you could download a PDF of the whole 2023 JB infographic here :
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