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Home Brew Forums > Home Brewing Beer > Hops Growing > Let's play identify the nutrient deficiency!
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Old 06-02-2012, 03:40 PM   #1
jazzyfool
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Default Let's play identify the nutrient deficiency!

Hey guys, first year hop grower here in NC. Strongest rhizome has turned out to be what I think is Cascade (may have mixed them up) but over the past week noticed some spots on the leaves turning yellowish.

Karma points for anyone who has advice or thinks they know what it is (already been to http://5e.plantphys.net/article.php?ch=t&id=289 - looks like many options).

Thought it could be aphids but haven't seen any in a while. Thinking I may just need some basic organic fertilizer.

photo-jun-02-10-31-45-am.jpg   photo-jun-02-10-31-51-am.jpg   photo-jun-02-10-31-58-am.jpg   photo-jun-02-10-32-15-am.jpg   photo-jun-02-10-32-30-am.jpg  

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Old 06-02-2012, 04:44 PM   #2
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What are you fertilizing with and what is the irrigation routine?

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Old 06-02-2012, 06:15 PM   #3
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Too much water? We've had a lot here in new England over the last month and some of my second years look like that.

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Old 06-02-2012, 06:37 PM   #4
BradleyBrew
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I have one of my hop plant that looks like that... Its a tettnanger. I use 3-3-3 fertilizer, ounce a week water with a compost tea and every two weeks use liquid organic nitrogen miracle grow. I dont think it's a deficiency. These plants grow so fast there are just imperfections in some of the leaves. Thats my belief at least.

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Old 06-02-2012, 06:38 PM   #5
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I haven't fertilized them at all actually.

I normally water them about twice a week unless the weather takes care of that. Had several fairly heavy rain storms over the past week or so.

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Old 06-02-2012, 06:41 PM   #6
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I never water mine and just let nature handle it. I have mulch down so the soil stays nice and moist all the time.

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Old 06-02-2012, 06:57 PM   #7
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Doesn't look like a deficiency at all. I would either say you have some sort of leaf sucking insect involved or they have been burned by water on the leaves due to watering mid day or something.

My hops all have little bits of stuff like that and they seem to be happy so I wouldnt worry about it!

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Old 06-02-2012, 07:31 PM   #8
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Quote:
Originally Posted by kellanv View Post
Doesn't look like a deficiency at all. I would either say you have some sort of leaf sucking insect involved or they have been burned by water on the leaves due to watering mid day or something.

My hops all have little bits of stuff like that and they seem to be happy so I wouldnt worry about it!
Soooo - watering should be at dawn or dusk? Didn't realize water on the leaves could cause burns.
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Old 06-02-2012, 07:53 PM   #9
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Yes, the water acts as a lens and focuses the beam of light.

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Old 06-02-2012, 07:59 PM   #10
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Quote:
Originally Posted by jazzyfool View Post
Soooo - watering should be at dawn or dusk? Didn't realize water on the leaves could cause burns.
Urban Legend...unless it is hot water from a hose or a drip system. I water my hop plants and soaked the leaves in 100 degree heat. The water cools the plant and evaporates for the most part.
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