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Old 07-20-2011, 08:49 PM   #1
trevorc13
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Default To experienced hop growers...(with pics)

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I have looked on every site possible to understand the reason for my yellowing hop leaves and I was hoping for some additional insight. I am sure that I'm either over watering, over fertilizing, or under fertilizing, that is causing these leaves to yellow. I guess my question is, is this bad for the hops themselves? I water my container hops about every day to every other day. I fertilized with a 10-10-10 npk miracle grow mix about 3 weeks ago, making sure not to over do it. Then, i began to see the leaves begin to yellow and curl up, and I assumed it was a magnesium or potassium deficiency. Three days ago, I added the recommended amount of an organic fertilizer of magnesium-potash-sulfur, which is a slow release fert. My leaves continue to yellow at the bottom three feet and curl up. I pluck them and toss em out, and continue to hope for the best. Hops have since budded and there are a crap load on the plant, although I have seen a couple shrivel and die. Is this normal for a hop plant to do and will this hurt my hops in the end?

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Old 07-20-2011, 08:54 PM   #2
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POst some pics. YOu just described about 10 different problems.

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Old 07-20-2011, 11:24 PM   #3
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Try going to this website http://5e.plantphys.net/article.php?ch=t&id=289 it may help you out. I went there and I had a Iron Deficiency.

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Old 07-20-2011, 11:59 PM   #4
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Pics speak louder than words.. Get a close up of a leaf in question and then take a picture of the entire bine.. If the yellowing leaves are only happening down low I wouldn't worry about it to much. Those leaves are older and they have served their purpose so they turn yellow and fall off. If the plant is getting to much water it goes chlorotic and will not absorb and nitrogen which causes the entire plant to start yellowing. but if that is the case you will notice around the veins in the leaves you will still see some green. If they aren't getting enough water the tips of the leaves will start to yellow and get crispy. Something very similar drying out will occur when you over fertilize. So please post a picture so we can actually see what you have going on

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Old 07-21-2011, 02:47 AM   #5
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Sorry, i ripped off all of the leaves and tossed em, but I'll take a pic with the next yellow one. Basically it's the bottom 3 feet leaves that have turned yellow. The edges got brown and crispy and curled up. I've also seen a couple of my hop flowers wilt. Is that normal? Or is it a sign of something? I guess I just wanted to know if my situation was normal with the yellow leaves, or if it was something abnormal. Ill post a pic when I can.

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Old 07-21-2011, 03:40 AM   #6
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http://ipm.wsu.edu/field/pdf/HopHandbook2010.pdf

this may help you identify your problem. it was posted a few threads down by hop farmer. identifies most all known problems to hops.
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Old 07-21-2011, 01:27 PM   #7
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Here are some pics. This has happened to all of the leaves on the bottom three feet. Again, I gave it 10-10-10 npk miracle grow about three weeks ago and some slow release fertilizer of magnesium-potash-sulfur into the soil about four days ago. How "slow" does this actually take before it begins to work? They are also container hops which I planted in potting soil, with a few applications of manure about once a month. Is watering every day or other day too much? Not enough? Any help would be appreciated.








This is a new leaf that is half green and half yellow.

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Old 07-22-2011, 01:50 PM   #8
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I would think zinc and boron do a foliar spray

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Old 07-22-2011, 01:56 PM   #9
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Can you post a picture of the entire bine? Do you do a moisture test before you water? I can go out and take a picture of my hop plants and all of them have that yellowing on the bottom. It just looks like spent leaves but I could be wrong.. Try and foliar is Iron/Zinc see if that helps like HF said but I dont think i'd be to worried

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Old 07-22-2011, 03:06 PM   #10
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How is the rest or the top of the plant doing? I posted something very similar a few weeks ago, and the general thought is that the bottom leaves are dying of old age and there is nothing to worry about, so I went about my business. A friend of mine who has grown for a year longer than I have told me that his bottom leaves turn yellow and brown mid-summer every year.

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