My concard grape arbor is produceing much leaf growth, but very very few grapes
I cut back rather heavily last year on previous advice that would prompt more fruiting but 8-(
The original planting was about 10 yearsago.
How can we manage to produce the fruit we used to please?
Stay young, OldAck
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H
Hal
Probably needs more phosphates. Nitrates the first number in a fertilizer produces lots of green. That is why lawn fertilizers have a higher first number, but fruits and flowers like a higher middle number which is for phosphorus. I like a high middle number like tomato stakes 6-12-6 for flowering plants. I can't always get an exact 1-2-1 type, but have to settle for something close depending on the quantity and type I need. The third number in fertilizer is potash/potassium and plants need a little of that to properly utilize the other two. I've heard tell that old pecan orchards have been restored to produce again by the addition of potash.
Regards,
Hal
D
dr-solo
this year leave the vines until spring, then select vines that are pencil thick going
3-4 feet in both directions "arms" (or 2 sets, one on the upper fence, one lower down) and leave a vine coming off that every foot (the fingers). cut that last vine to about 3-5 buds. I use the curtain system. my thick heavy standard goes up to 8', the 2 arms go out about 3 feet and the vines come off that, hanging down. very productive. every other year or so I select new "arms". Ingrid
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