Re: [apple-crop] definitions question: first, second, third cover

I tend to agree the term 'cover' is becoming archaic in regards to modern fruit growing - I did look thru some historical references I have handy and in the 1936 Michigan spray calendar the 'first cover' is applied 10 days after petal-fall, with the 'second cover' applied 10 days after the fir

Re: [apple-crop] definitions question: first, second, third cover

I agree with Peter that it's an old term but always took it to mean codling moth sprays, which back in the old days were hard insecticides that killed everything. In Washington most years three were needed, occasionally four. The term covered is also used to numerate the number of days your cover

Re: [apple-crop] definitions question: first, second, third cover

Greetings Rye, I believe this term is a carry over from a time when pest management applications would 'cover' the commodity in a blanket of spray following the critical petal fall application. This PF event typically occurs at roughly 80% of the petals falling from a variety such as Mcintosh

Re: [apple-crop] Scaffolds 4/11

Hi Art, Thanks for your newsletter. Just wondering about the ScaffoldsMD - I know what it is, but wondered how you make the files - what program, what size, etc. I see that Penn State is also providing mobile versions. Any idea how many growers are reading yours on smartphones? Do you need to

[apple-crop] definitions question: first, second, third cover

Hello all, I'm looking over pesticide information and I see a lot of references to first cover, second cover and third cover and also references to first cover spray, second cover spray and third cover spray. All references seem to expect the reader to know what that is. Searching the web I f

[apple-crop] Scaffolds 4/11

A new issue of Scaffolds Fruit Newsletter for the week of 4/11 has been posted and can be found at: Regular pdf - http://www.scaffolds.entomology.cornell.edu/2011/110411.pdf ScaffoldsMD for mobile devices - http://www.scaffolds.entomology.cornell.edu/2011/4.11MD.pdf This issue includes the foll

Re: [apple-crop] oil spray at pink on apples

I will also weigh in here, being a long-time proponent of delayed-dormant oil sprays against orchard pests. This is from my March 28 article in Scaffolds: The following advice developed from Paul Chapman's original research is essentially unchanged from what I print every spring, which shows

Re: [apple-crop] Chemical regulations

Ok many thanks Leslie for the track I googled the terms and landed to www.opep.ca www.pesticidesafety.ca and finally http://www.omafra.gov.on.ca to get the whole story Best regards Jean Marc Jourdain De : apple-