needle cast - Ask Extension
We have about 12 20 ft high Black Hills Spruce with needlecast on lower branches.Will this need to be sprayed 2x every year to control?
Also i cant b...
Knowledgebase
needle cast #871927
Asked June 06, 2024, 3:28 PM EDT
We have about 12 20 ft high Black Hills Spruce with needlecast on lower branches.Will this need to be sprayed 2x every year to control?
Also i cant believe these can be sprayed with protect df and strider only 30 mins before rain or thunderstorms and be effective as i say it would at least some of it wash off regardless of the sticker agent.Please help.
Scott County Minnesota
Expert Response
Yes, they do need to be sprayed twice a year. You need to read the label for timing. Your spruce are highly susceptible. If you haven't already done so, you can send a sample to the plant disease clinic for expert diagnose. https://extension.umn.edu/plant-diseases/rhizosphaera-needle-cast
Barbara,
The label says zero about rain and when to spray either before or after rain and IF the product will be effective if rains within minutes or an hour after apply.Please help.
jim
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From: Ask Extension
Sent: Friday, June 07, 2024 7:41 PM
To: jim cole
Subject: Re: needle cast (#0141845)
You need to call the phone number on the label to ask the question regarding rain. Most pesticides do list that but if it is missing, call them and ask.
Barbara,
This is a fungus not a insect and we use a fungicide not a pesticide as you said??????????????
jim
Confidentiality Notice:
This message and any of the attached documents contain privileged and confidential information intended only for the use of the individual or entity that was the intended recipient. If you are not the intended recipient you may not read, copy, distribute, retain, or use this information. Any review, retransmission, dissemination, or other use of, or taking any action in reliance upon, this information by anyone other than the intended recipient is not authorized. If you have received this message and any of the attached documents in error, please immediately notify the sender by reply email or other means of communication and then delete this message from any and all computers and network systems.
This message and any of the attached documents contain privileged and confidential information intended only for the use of the individual or entity that was the intended recipient. If you are not the intended recipient you may not read, copy, distribute, retain, or use this information. Any review, retransmission, dissemination, or other use of, or taking any action in reliance upon, this information by anyone other than the intended recipient is not authorized. If you have received this message and any of the attached documents in error, please immediately notify the sender by reply email or other means of communication and then delete this message from any and all computers and network systems.
From: Ask Extension
Sent: Sunday, June 09, 2024 9:31 PM
To: jim cole
Subject: Re: needle cast (#0141845)
Yes, fungicide. Advice still applies.
