Berries getting too much sun?

scarter55May 2, 2013

I'm new to the forums, so this will be my first post. We just planted some berries in our yard, 3 raspberries and 2 blackberries, last weekend. We have them on a V-trellis with a drip system watering them. Some of the bushes already had berries on them, and those are already looking pretty good. The flowers on the other bushes are looking pretty good as well. However, some of the leaves are starting to get a little brown. I'm going to increase the watering time for them, as the dirt has felt a little bit dry, but I was wondering if they may be getting too much sun/heat. We have a little heating streak hitting the SF Bay Area right now, so I thought that might be it.
Any ideas on how to keep the heat/sun off the bushes, or if we even need to?

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fruitnut Z7 4500ft SW TX

In the Bay area I'd think heat stress to be rather rare. Any stress they show now is likely because they were just planted and maybe too dry. If they continue to show heat stress after well established put some shade cloth over them. Probably about 40-50% shade.

    Bookmark   May 2, 2013 at 4:37PM
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Can't speak to the blackberries but my 3 raspberries (Caroline, Purple Royalty, and Latham have no problem at all with full sun and temps. in the 90s with howling wind. My berries are on drip too, perhaps you are over watering them and killing roots, that could give the appearance of under watering as the leaves would wilt back and in the heat from dead roots. Just a thought. Make sure and observe the wetting pattern in the soil when you irrigate to see where the water is going, I put 2 lines down the bed to cover the full width of the bed with each irrigation.

Are the upper leaves or lower leaves the ones browning, is the browning over the entire leaf or just the leaf margins?

    Bookmark   May 2, 2013 at 4:41PM
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Thanks for the follow ups. I thought it may have to do more with the fact that we just put them in.
I have one 2 gallon/hr nozzle for each bush, but its at the end of the line so I'm not sure if it had been getting that much water. Also, prior today, I'd just been running that drip line for 20 min a day, so I think it's clear that I need to increase that. I also plan on adding additional nozzle to make sure I get full coverage of the planted area.
The browness I observed seemed to be originating in the middle of the leaves, not the margins? I didn't notice if it was more upper or lower leaves, I'll check that out when I get home today.

    Bookmark   May 2, 2013 at 5:16PM
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I'd bet as described that the amount of water for the current temperatures that you are experiencing for the blackberries, are not enough. Blackberries like to be well watered. Just as an example I water for 90 Minutes every other day on my 33 blackberry/boysenberries (1 gph). Just an FYI, but raspberries need quite a bit less water.

    Bookmark   May 2, 2013 at 11:59PM
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