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October 22, 2025Agricultural sciences.

Study of apple rootstock Supporter 4 Pi 80 in intensive orchard

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Trees on M9 T-337 had greater fruit weight than those on Supporter 4 Pi 80, with yield per area remaining similar between rootstocks.
Between 2019 and 2022, significant differences in tree height were observed based on the rootstock used, but crown volume was unaffected.
Both Supporter 4 Pi 80 and M9 T-337 rootstocks maintained comparable crop efficiency coefficients with the Granny Smith cultivar.
Planting density was set at 2,380 per hectare, and no pruning was done post-plantation, beginning in autumn 2017.

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Implication

Observational analysis assessed growth and yield in Granny Smith apple trees with Supporter 4 Pi 80 and M9 T-337 rootstocks, indicating differences in fruit weight.

Cite This Study

Tabakov et al. (2025) studied this question.

synapsesocial.com/papers/68f83321d24b29c969481fbb https://doi.org/10.22620/agrisci.2025.46.007

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Implication

Observational analysis assessed growth and yield in Granny Smith apple trees with Supporter 4 Pi 80 and M9 T-337 rootstocks, indicating differences in fruit weight.

Study of apple rootstock Supporter 4 Pi 80 in intensive orchard

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Discussion

Implication

Cite This Study

Study of apple rootstock Supporter 4 Pi 80 in intensive orchard

Key Points

Discussion

Implication

Cite This Study

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