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New Zealand Beekeeping Forums
New Zealand Beekeeping
Fungicides in flowering orchards after recent rain?
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<blockquote data-quote="npomeroy" data-source="post: 11778" data-attributes="member: 599"><p>Thanks for the feedback all.</p><p></p><p>It was a bit of a long shot asking here, and I feel a bit of an interloper because I only work with bumblebees. There are several orchards nearby and figuring out who to ask is not obvious, and they may not be forthcoming if there was anything dodgy. I just thought one of the local beekeepers might be familiar with typical spray programmes here. It's not a compensation issue. In my retirement I'm writing a book about my career with bumblebees and an inside tell-all about the industry. I happen to be keeping four free foraging colonies in observation hives to get photos and some more data for my writing. There was a lot of helicopter spraying at the end of our street after heavy rain and it was some time later I noticed the colonies looking crappy, so I can't even pinpoint the date of spraying. </p><p>I have access to the info you sent Alistair and Dennis, and am aware some fungicides can have sublethal effects on bees and can even have a synergistic level of harm in combination with Nosema. As fungicides are often assumed to be harmless to bees I wouldn't be surprised if they were sometimes used during flowering. And then there's the issue of drift onto garden and weed flowers.</p><p></p><p>I may chase up someone from the apple industry locally.</p></blockquote><p></p>
[QUOTE="npomeroy, post: 11778, member: 599"] Thanks for the feedback all. It was a bit of a long shot asking here, and I feel a bit of an interloper because I only work with bumblebees. There are several orchards nearby and figuring out who to ask is not obvious, and they may not be forthcoming if there was anything dodgy. I just thought one of the local beekeepers might be familiar with typical spray programmes here. It's not a compensation issue. In my retirement I'm writing a book about my career with bumblebees and an inside tell-all about the industry. I happen to be keeping four free foraging colonies in observation hives to get photos and some more data for my writing. There was a lot of helicopter spraying at the end of our street after heavy rain and it was some time later I noticed the colonies looking crappy, so I can't even pinpoint the date of spraying. I have access to the info you sent Alistair and Dennis, and am aware some fungicides can have sublethal effects on bees and can even have a synergistic level of harm in combination with Nosema. As fungicides are often assumed to be harmless to bees I wouldn't be surprised if they were sometimes used during flowering. And then there's the issue of drift onto garden and weed flowers. I may chase up someone from the apple industry locally. [/QUOTE]
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Fungicides in flowering orchards after recent rain?
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