I have never noticed any instructions stating such, and if I had, on purely ornamentals, I'd ignore it anyway given that it makes no sense.ralphrmartin wrote: ↑Thu Jun 02, 2022 7:52 pm Most pesticides these days also have limits on how many times they can be applied in a growing season - e.g. 3 or 4, which also makes using sufficient repeat applications to ensure all bugs are killed off pretty tricky.
Death to Mealy Bugs
Forum rules
For the discussion of topics related to the conservation, cultivation, propagation, exhibition & science of cacti & other succulents only.
Please respect all forum members opinions and if you can't make a civil reply, don't reply!
For the discussion of topics related to the conservation, cultivation, propagation, exhibition & science of cacti & other succulents only.
Please respect all forum members opinions and if you can't make a civil reply, don't reply!
-
- Registered Guest
- Posts: 417
- https://www.behance.net/kuchnie-warszawa
- Joined: 19 Oct 2021
- Branch: LEICESTER
- Country: United Kingdom
- Location: Leicester
Re: Death to Mealy Bugs
Re: Death to Mealy Bugs
I've yet to find one that is resistant to a mallet
- habanerocat
- BCSS Member
- Posts: 1030
- Joined: 02 Jun 2012
- Branch: DUBLIN
- Country: Mid-West Ireland
- Role within the BCSS: Member
- Location: Ireland
Re: Death to Mealy Bugs
Dormancy in the bugs certainly seems to be a problem.
Plants I got in ELK last September and which were initially treated several times and were clear, have just shown signs of a few bugs present. These plants were well isolated so it looks like isolation has to be well over a year at this stage.
I'm working hard to get back to a zero bug state, but it's a hard state to get to these days.
Plants I got in ELK last September and which were initially treated several times and were clear, have just shown signs of a few bugs present. These plants were well isolated so it looks like isolation has to be well over a year at this stage.
I'm working hard to get back to a zero bug state, but it's a hard state to get to these days.
- TomInTucson
- Registered Guest
- Posts: 281
- Joined: 26 Jun 2016
- Branch: None
- Country: United States
- Location: NW Tucson area
Re: Death to Mealy Bugs
habanerocat wrote: ↑Wed Aug 17, 2022 7:55 pm Dormancy in the bugs certainly seems to be a problem.
Plants I got in ELK last September and which were initially treated several times and were clear, have just shown signs of a few bugs present. These plants were well isolated so it looks like isolation has to be well over a year at this stage.
I'm working hard to get back to a zero bug state, but it's a hard state to get to these days.
-
- BCSS Member
- Posts: 747
- Joined: 11 Jan 2007
- Branch: EDINBURGH
- Country: UK
- Role within the BCSS: Branch Secretary
- Location: Scotland
Re: Death to Mealy Bugs
Could be Sunday morning myopia, but I couldn’t see any reference to flupyradifurone on the bottle label or the MSDS. The only things mentioned are the two isothiazolinones, the chloro derivative of which is a common biocide.
- Tony R
- Moderator
- Posts: 4036
- Joined: 20 Apr 2009
- Branch: CAMBRIDGE
- Country: UK
- Role within the BCSS: Member
- Location: Hartley, LONGFIELD, Kent
Re: Death to Mealy Bugs
From the back label above, Nick. Cheers, Tony
Tony Roberts
Treasurer, Haworthia Society
Chairman, Tephrocactus Study Group
Moderator, BCSS Forum
Kent
(Gasteria, Mammillaria, small Opuntia, Cleistocactus and Sempervivum are my current special interests)
Treasurer, Haworthia Society
Chairman, Tephrocactus Study Group
Moderator, BCSS Forum
Kent
(Gasteria, Mammillaria, small Opuntia, Cleistocactus and Sempervivum are my current special interests)
-
- BCSS Member
- Posts: 747
- Joined: 11 Jan 2007
- Branch: EDINBURGH
- Country: UK
- Role within the BCSS: Branch Secretary
- Location: Scotland
Re: Death to Mealy Bugs
Thanks Tony glad you are awake - donkey ears for me
- habanerocat
- BCSS Member
- Posts: 1030
- Joined: 02 Jun 2012
- Branch: DUBLIN
- Country: Mid-West Ireland
- Role within the BCSS: Member
- Location: Ireland
Re: Death to Mealy Bugs
I've a theory that 'flood tables' facilitate the quicker spread of bugs.
I've no proof as such, just personal experience.
It would explain why nursery grown plants are so badly infested.
I've no proof as such, just personal experience.
It would explain why nursery grown plants are so badly infested.
-
- BCSS Member
- Posts: 612
- Joined: 21 Nov 2016
- Branch: LINCOLN
- Country: England
- Role within the BCSS: Member
Re: Death to Mealy Bugs
The prolonged dormancy theory fits with my experience.
I have been having good results with a systemic and now rarely spot mealies. Those I do find are almost always on plants closest to the greenhouse doors, which are open all summer.
I returned from holiday this week to find several Echinopsis in bloom and two had big fat mealies on the flower stems and only on the stems, nowhere else. These were the only mealies I found anywhere in the collection when I looked yesterday. I suspect the eggs had lain dormant in the forming hairy buds which had probably been on the plant for months, maybe even since last year. I guess the systemic does not get into dormant buds.
I have been having good results with a systemic and now rarely spot mealies. Those I do find are almost always on plants closest to the greenhouse doors, which are open all summer.
I returned from holiday this week to find several Echinopsis in bloom and two had big fat mealies on the flower stems and only on the stems, nowhere else. These were the only mealies I found anywhere in the collection when I looked yesterday. I suspect the eggs had lain dormant in the forming hairy buds which had probably been on the plant for months, maybe even since last year. I guess the systemic does not get into dormant buds.
-
- BCSS Branch Official
- Posts: 63
- Joined: 11 Jan 2007
- Branch: HARROW
- Country: UK
- Role within the BCSS: Branch Secretary
Re: Death to Mealy Bugs
In my experience, mealies seem very fond of hairy Echinopsis buds. I keep a very careful eye on them.
Elizabeth
Harrow Branch
Harrow Branch