marro
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Posts: 124
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Post by marro on Aug 25, 2019 7:41:55 GMT -5
My Cara Cara trees are not up to potential, wondering if they need cross pollination?
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Post by Laaz on Aug 25, 2019 8:10:22 GMT -5
They shouldn't, but my variegated Cara cara has never produced like Washington navel.
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marro
Full Member
Posts: 124
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Post by marro on Aug 25, 2019 11:26:00 GMT -5
As much as you are growing you don’t worry. I got mostly madarins. Has anybody grow a pineapple orange tree. My neighbor has one at his winter residence in Texas. He claims it’s the best juice orange. Have to admit after tasting a dozen, it’s darn good.
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Post by millet on Aug 25, 2019 12:14:31 GMT -5
If you foliar spray your Cara Cara (or any citrus cultivar) with low biuret Urea two months prior to the tree's expected bloom date, the tree's bloom will be much greater. Then a second urea spray around June 1 will greatly help the tree to keep more of its fruitlets. Lastly a 3rd and final spray in mid July will increase the size of the fruit. If you would like to read more about this procedure you can read all about in in UCR's Citrus Production Manual.
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marro
Full Member
Posts: 124
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Post by marro on Aug 25, 2019 12:54:39 GMT -5
Millet, I keep missing the time to spray, because the start of blooming. 2month before blooming is hard to know, it’s more like guessing. I have bought the two things you advice to use last year. How do you determined the timing. How about December one or November. My trees are usely blooming around December, January. How about GA 3. Will that work. Page and Cara cara.
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Post by millet on Aug 25, 2019 17:06:52 GMT -5
Your trees bloom earlier because they are stored indoors. In my Colorado greenhouse the bloom normally starts around the end of January. Therefore I make my first urea spray around December 1. The dates in my above post come from the Citrus Production Manual and are California dates (in ground trees) Bob you probably know he approximate blooming date of your trees. Make your first spray 2 months before that date.. If you miss by a week or so it no big deal.
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marro
Full Member
Posts: 124
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Post by marro on Aug 25, 2019 21:08:38 GMT -5
Going to try to do a better job this coming season, thanks Millet. Always helpful, Bob. Btw, is potassium nitrate also used for fruitset and retention.
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Post by millet on Aug 26, 2019 21:23:38 GMT -5
Bob, yes potassium is sometimes used for fruit set and retention. However low Biuret Urea is normanly preferred.
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