Claim · model-written summary
The period of fruit decrease starts shortly after anthesis, is complete by mid-June, and lasts 9 to 34 days.
- Taxon
- Amelanchier alnifolia
Amelanchier alnifoliat0 - Outcome
- period of decreasee4
- Value
- 9 to 34 dayse4
- Qualifier
- initiated shortly after anthesis and was complete by mid-Junee4
Verbatim
t0“Magnitude, timing, and causes of immature fruit loss in Amelanchier alnifolia”
e4“The period of decrease was initiated shortly after anthesis and was complete by mid-June, varying from 9 to 34 days”
Title
Magnitude, timing, and causes of immature fruit loss in Amelanchier alnifolia (Rosaceae)
R. G. St. Pierre Canadian Journal of Botany 1989. doi:10.1139/b89-097
Other claims from this paper (9)
- Observation Fruit loss in Amelanchier alnifolia is consistently large, with a mean of 81% of the potential fruit lost.
- Observation Mature fruit to flower ratios in Amelanchier alnifolia vary from 0.02 to 0.46.
- Observation The number of fruit per infructescence decreases consistently and significantly within each season.
- Observation Fruit growth is only 16% complete by the end of the period of fruit loss.
- Observation Of the abscised fruit, a mean of 81% are damaged.
- Observation Sawfly (Hoplocampa montanicola) damages 2–90% of the abscised fruit.
- Observation Frost damages 0–68% of the abscised fruit.
- Observation Curculio (Anthonomus spp.) and other factors damage 0 to 21% of the abscised fruit.
- Observation The cause of 19% of the total fruit loss is undetermined.