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Is This Spider Mite Damage?
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Did this happen shortly after trimming?
They were trimmed about 4 weeks ago.Originally posted by 1grnlwn
Did this happen shortly after trimming?
What side does that wall face, North?
The plant may have been under stress for a while. That maybe winter damage that did not show until now, and that can happen. Also maybe root rot due to excessive soil moisture.
Not Spider Mite. There would be some webbing for sure and would be easy to see even in the pic, with that much damage.
Not Spider Mite. There would be some webbing for sure and would be easy to see even in the pic, with that much damage.
Yews are not that susceptible to twig blight
EastOriginally posted by GLAN
What side does that wall face, North?
I agree with GLAN on this one. Unlikely it is mite damage. Needles would be mottled or speckled as chlorophyll etc. is sucked out by mites. Leaning more toward root decline and/or rot. It looks like a mature Taxus but how long has it been installed and do the roots stay wet much of the time? More than ample moisture this season. At any rate, doesn't look like it will recover. Start hunting for a replacement and plant a little high if another Taxus is put back in or you may be back to square one shortly.
On the East coast have had many NorEasters this past winter. Extemely cold winds from the North East, as the lows whipped back at us.Originally posted by bob
East
Winter damage worsened by the excess of rain.
We had some yews die from the winter. Bulk of our planting in the spring was replacements of all vaireties and were still finding damage that is winter and spring related.
Think of it. With the rains, all the wet soil. Root damage is rampant. Add that to the little heat wave we had and the need for irrigation has been keeping the soil to wet, to long.
Here it is August 1, and can smell rotting soil.
Glan makes the point. Its been extremely wet here as well and alot of winter damage from last winter has only been exasperated by the continued wet spring and summer. Got to believe your pics are demonstrating winter damage more than anything else.
If they were fine before you trimmed them, then you probably had oil lube on trimmers and it burned the tips. Water and winter dammage would have been there before trimming and would not have happened after trimming.
I would almost be inclined to think the same thing - chemical damage or burn. Was their fresh oil on the bars? This is ALOT of damage to be done solely by mites in such a short time, but they have been known to be able to do that. I wish I was there to see better and up close the damage patterns. One thing you can do. Get a piece of white paper, hold it out and in a sort of a cup shape. Run your hand down the chutes, and lightly rub your fingers against each other as to clean them off, too. Do this to several chutes, both dead and PARTIALLY declined. This is a sure way to find mites. These things are EXTREMELY SMALL, though, so look CAREFULLY, and don't spill anything. Good luck withit, and I hope this helps!
Good point fellas
Though we have trimmed what would appear on the surface completely healthy plants. Once trimmed we discovered damage. Not from lubricant on the blades. We have actualy cut back the use of lubricants the last few years. But that is a possibility.
We have seen what would appear to be a normal spring flush of growth, trim them and then later find damage occured. Knowing this not to be lubricant problem. When removing the damage plant we have found that there was little or no root system, and the soil saturated. Theory that I can accept is that regardless of the spring growth the amount of snow we had, compounded by the cold spring/early summer and the amount of rain we have had. Root damage was progressing. Once trimmed the more delicate and protected growth was now exposed. Being that there was a damaged root system, there would not less water uptake. No water into the foliage combined with sun exposure = Damage.
We are not noticing any Weevil problems, probalby due to the extreme cold of the past winter and frozen soil the entire winter, would most likely killed off much of the population.
Though we have trimmed what would appear on the surface completely healthy plants. Once trimmed we discovered damage. Not from lubricant on the blades. We have actualy cut back the use of lubricants the last few years. But that is a possibility.
We have seen what would appear to be a normal spring flush of growth, trim them and then later find damage occured. Knowing this not to be lubricant problem. When removing the damage plant we have found that there was little or no root system, and the soil saturated. Theory that I can accept is that regardless of the spring growth the amount of snow we had, compounded by the cold spring/early summer and the amount of rain we have had. Root damage was progressing. Once trimmed the more delicate and protected growth was now exposed. Being that there was a damaged root system, there would not less water uptake. No water into the foliage combined with sun exposure = Damage.
We are not noticing any Weevil problems, probalby due to the extreme cold of the past winter and frozen soil the entire winter, would most likely killed off much of the population.
Also notice the one right next to the damaged one though. Appears to be fine.
So there has to be something unique to the one damaged. Located where snow was piled, rain downspout, different sun exposure, different wind exposure, etc. OR first one trimmed after lub added to the bar.
I first thought sun damage following the trimming, or excessive trimming in those areas. But that's cause I'm in HOT country. If they were fine right after trimming, I would think it was bad timing of trimming them with July heat.
Looks like they are exceeding their space anyway and time to replace them is coming up.... ?
So there has to be something unique to the one damaged. Located where snow was piled, rain downspout, different sun exposure, different wind exposure, etc. OR first one trimmed after lub added to the bar.
I first thought sun damage following the trimming, or excessive trimming in those areas. But that's cause I'm in HOT country. If they were fine right after trimming, I would think it was bad timing of trimming them with July heat.
Looks like they are exceeding their space anyway and time to replace them is coming up.... ?
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