Prev Previous Post   Next Post Next
Old 11-20-2013, 02:02 PM
Trees Too's Avatar
Trees Too Trees Too is online now
LawnSite Bronze Member
Join Date: Oct 2013
Location: USDA Zone 6a
Posts: 1,845
RE: Hort oils

To a degree, I agree with you about the level of "usefulness" of HORT OILS. In general, they're intended to control scale, certain gall insects (i.e. adelgids), and some mites. I have found that I can get reasonable control of some types of scale. (Although it may take 2 apps in the spring to achieve this control.) Spruce adelgids?? The oil sprays fail to make critical contact, and the galls form anyway! Good coverage is essential; yet at the same time you increase the chance of "oil burning" spruces. As for mite control with oil. I don't see it.

In the end I think that hort oils are generally used by the big revenue companys as their Round 1; to get out the door first thing in the early spring when temps get into the 30's!!!
Reply With Quote

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump

Layout Style:

Powered by vBulletin® Version 3.8.6
Copyright ©2000 - 2016, Jelsoft Enterprises Ltd.
Copyright ©1998 - 2012,™ - Grand View Media
All times are GMT -4. The time now is 03:00 PM.

Page generated in 0.10310 seconds with 9 queries