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Old 08-19-2014, 07:30 PM   #1
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Default Are your hops ready to pick? Take a closer look.

Pull out your $10 DIY microscope and check out the lupulin glands. More info about the photos and how I took them...

Unripe glands start as cup shape:

unripe.jpg

When ripe, the glands will be plump:

ripe.jpg

Hops can turn brown for any number of reasons – so, this is not a good indication of ripeness. Here is a cone from a plant that was under watered:

brown.jpg

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Old 08-19-2014, 09:09 PM   #2
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Awesome! Time to fire up the new microscope! What magnification did you use?

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Old 08-19-2014, 09:23 PM   #3
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Great post. I'll have to keep an eye out for a microscope.

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Old 08-19-2014, 10:22 PM   #4
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I believe that the lens on my microscope is only 35x. With the digital zoom on the iPhone, those are probably around 80 to 100x.

Please post some pics when you get your scope fired up.

Cheers!

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Old 08-22-2014, 04:52 PM   #5
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How do these look? Best pic I could get. ImageUploadedByHome Brew1408726335.121923.jpg


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Old 08-22-2014, 07:30 PM   #6
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I was discussing this subject with my housemate and she mentioned that she had a USB microscope squirreled away somewhere. She was able to find it and I was able to get it working on my linux OS laptop without too much effort. The following micrographs are of my first year Cascade hops which are near maturity. It looks like I can wait a little while longer to harvest them though.

File Type: jpg guvcview_image-3.jpg (61.2 KB, 216 views)
File Type: jpg guvcview_image-4.jpg (55.1 KB, 216 views)
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Old 08-22-2014, 08:12 PM   #7
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I don't grow hops but this is darn cool. A really great thread!

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Old 08-23-2014, 02:13 AM   #8
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How about this one is it okay to use, think it's getting old and dried out. ImageUploadedByHome Brew1408759993.083033.jpg

But this one looks great.
ImageUploadedByHome Brew1408760017.994712.jpg


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Old 08-23-2014, 06:07 PM   #9
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Have you noticed any correlation to conventional wisdom about ripeness? I.E. dry papery feel or browning of the tips.

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Old 08-24-2014, 12:17 PM   #10
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Ths is awesome! Great info and it makes me want to get a microscope.

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