Re: Cuppy leaves and stump shoots
John,
In years past, I always cut the older leaves off leaving a naked plant in the
middle. This year I am leaving some of the new growth on just to see what
happens. I figure the plant is putting out new growth for a reason. ( reason
unknown to me ).
Maybe some of the other growers out there have experimented with this. Any
advice ??
Bob..
Heilmanjon@aol.com wrote:
> Glenn, and all who read my previous post about leaf shape,
>
> I just finished my morning inspection tour and pruning duty. Now I see what
> you are talking about. I was envisioning really tulip shaped leaves which
> were very small. Now, having waded into the middle of the plant, hoping that
> those snapping sounds were not signs of permanent damage to vines, I see what
> you are talking about. The leaves which fight for light are smaller and, as
> you say, "cuppy." Probably the answer to the issue of what to do with them
> lies in math. Figure the surface-area-per-leaf equivalent factor for cuppy
> leaves vs flatties, and prune accordingly to get equivalent areas. Maybe one
> of the guys with many vines will be willing to do this in his spare time!
> Meanwhile, another issue. It seems to me that each year about this time the
> stump goes through a mid-life crisis and tries to produce a whole 'nother set
> of vines. The result is that I have to wade into that area of mature, brittle
> leaves and hack out these little upstarts so that I will not have mess of
> weak growth that invites powdery mildew. Is this common with you all? If so,
> what do you do, besides hire a midget with a razor to crawl through the
> plant, silently assassinating the upstarts?
>
> John in San Jose
>
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