Vincent:
Maybe the dropping left the LARGER fruits on the tree? I don't know if
poor pollination results in both
smaller fruit AND more early drop of the smallest, poorly-seeded fruits, but I
can suppose it is a possible explanation of your observation.
David Kollas
Kollas Orchard, CT
On Jan 13, 2014, at 12:12 PM, Vincent Philion <vincent.phil...@irda.qc.ca>
wrote:
> Hello, I’m analyzing some data and I have seemingly contradictory results.
> I’m hoping someone can comment and make sense of this:
>
> For a number of randomly selected trees, fruit drop was recorded starting
> late summer until harvest. For each tree, we recorded total fruit drop (and
> weight), harvested fruit (and weight) and the total (drop + harvest). As I
> was looking at the data, I noticed average harvested fruit size
> (weight/number) was related to Total fruits per tree… Nothing strange, until
> I realized harvested fruit size INCREASED with Total fruit number on tree. As
> if the fruit dropping left more energy for the remaining fruits to grow?
>
> I was expecting harvested fruit size to be smaller on trees that had more
> total fruit, not the other way around.
>
> I’m not sure this late natural fruit drop can be compared to very late hand
> thinning, but does anyone know if fruit size increase can be linked to late
> thinning (notwithstanding total yield that can go down)?
>
> Maybe this is “normal”?
>
> Any comment welcome!
>
> Vincent
>
>
>
>
>
>
>
> Vincent Philion,M.Sc. agr. Microbiologiste
> Phytopathologiste pomiculture
>
>
>
>
> Institut de recherche et de développement en agro-environnement
> Research and Development Institute for the Agri-Environment
>
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>
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> Like most of the data I deal with, I'm best described as either "zero
> inflated Poisson", or "zero inflated negative binomial". Anything but
> "Normal".
>
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