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Differences in Fruit Development among Large- and Small-fruited Cultivars of Saskatoon (Amelanchier alnifolia)
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| Zeitschriftentitel: | Journal of the American Society for Horticultural Science |
|---|---|
| Personen und Körperschaften: | , , |
| In: | Journal of the American Society for Horticultural Science, 126, 2001, 4, S. 381-385 |
| Format: | E-Article |
| Sprache: | Unbestimmt |
| veröffentlicht: |
American Society for Horticultural Science
|
| Schlagwörter: |
| author_facet |
McGarry, Roisin Ozga, Jocelyn A. Reinecke, Dennis M. McGarry, Roisin Ozga, Jocelyn A. Reinecke, Dennis M. |
|---|---|
| author |
McGarry, Roisin Ozga, Jocelyn A. Reinecke, Dennis M. |
| spellingShingle |
McGarry, Roisin Ozga, Jocelyn A. Reinecke, Dennis M. Journal of the American Society for Horticultural Science Differences in Fruit Development among Large- and Small-fruited Cultivars of Saskatoon (Amelanchier alnifolia) Horticulture Genetics |
| author_sort |
mcgarry, roisin |
| spelling |
McGarry, Roisin Ozga, Jocelyn A. Reinecke, Dennis M. 0003-1062 2327-9788 American Society for Horticultural Science Horticulture Genetics http://dx.doi.org/10.21273/jashs.126.4.381 <jats:p>Fruit growth in saskatoons (<jats:italic>Amelanchier alnifolia</jats:italic> Nutt.), an emerging horticultural crop across the Canadian prairies, results from development of the mesocarp and the endocarp-locular-ovular structure which includes the developing seeds. Contribution of these tissues to fruit size was assessed using transverse sections of ovaries sampled at six developmental stages among large- and small-fruited cultivars. Mesocarp development was similar among the larger-fruited cultivars (Thiessen, Northline, and Smoky); the number of cells increased rapidly through Stage I [162 to 293 growing degree days (GDDs)] of fruit growth, and cell number increase was minimal during Stages II (293 to 577 GDDs) and III (577 to 747 GDDs). In `Regent' fruit (a small-fruited cultivar), the maximal rate of cell division was delayed until Stage II and the mesocarp contained fewer cells than the larger-fruited cultivars at harvest maturity. Mesocarp cell enlargement was similar among all of the cultivars studied where cell expansion was maximal during Stage I and continued at a slower rate during Stages II and III. The area of the endocarp-locular-ovular structure was greatest for `Thiessen' and `Northline', midrange for `Smoky', and smallest for `Regent'. Data suggest that a minimum number of mesocarp cells early in fruit development is required to attain maximal mesocarp size, and that differences in cultivar fruit size are a function of both the mesocarp and the endocarp-locular-ovular structure.</jats:p> Differences in Fruit Development among Large- and Small-fruited Cultivars of Saskatoon (Amelanchier alnifolia) Journal of the American Society for Horticultural Science |
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10.21273/jashs.126.4.381 |
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American Society for Horticultural Science, 2001 |
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American Society for Horticultural Science, 2001 |
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0003-1062 2327-9788 |
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| title |
Differences in Fruit Development among Large- and Small-fruited Cultivars of Saskatoon (Amelanchier alnifolia) |
| title_unstemmed |
Differences in Fruit Development among Large- and Small-fruited Cultivars of Saskatoon (Amelanchier alnifolia) |
| title_full |
Differences in Fruit Development among Large- and Small-fruited Cultivars of Saskatoon (Amelanchier alnifolia) |
| title_fullStr |
Differences in Fruit Development among Large- and Small-fruited Cultivars of Saskatoon (Amelanchier alnifolia) |
| title_full_unstemmed |
Differences in Fruit Development among Large- and Small-fruited Cultivars of Saskatoon (Amelanchier alnifolia) |
| title_short |
Differences in Fruit Development among Large- and Small-fruited Cultivars of Saskatoon (Amelanchier alnifolia) |
| title_sort |
differences in fruit development among large- and small-fruited cultivars of saskatoon (amelanchier alnifolia) |
| topic |
Horticulture Genetics |
| url |
http://dx.doi.org/10.21273/jashs.126.4.381 |
| publishDate |
2001 |
| physical |
381-385 |
| description |
<jats:p>Fruit growth in saskatoons (<jats:italic>Amelanchier alnifolia</jats:italic> Nutt.), an emerging horticultural crop across the Canadian prairies, results from development of the mesocarp and the endocarp-locular-ovular structure which includes the developing seeds. Contribution of these tissues to fruit size was assessed using transverse sections of ovaries sampled at six developmental stages among large- and small-fruited cultivars. Mesocarp development was similar among the larger-fruited cultivars (Thiessen, Northline, and Smoky); the number of cells increased rapidly through Stage I [162 to 293 growing degree days (GDDs)] of fruit growth, and cell number increase was minimal during Stages II (293 to 577 GDDs) and III (577 to 747 GDDs). In `Regent' fruit (a small-fruited cultivar), the maximal rate of cell division was delayed until Stage II and the mesocarp contained fewer cells than the larger-fruited cultivars at harvest maturity. Mesocarp cell enlargement was similar among all of the cultivars studied where cell expansion was maximal during Stage I and continued at a slower rate during Stages II and III. The area of the endocarp-locular-ovular structure was greatest for `Thiessen' and `Northline', midrange for `Smoky', and smallest for `Regent'. Data suggest that a minimum number of mesocarp cells early in fruit development is required to attain maximal mesocarp size, and that differences in cultivar fruit size are a function of both the mesocarp and the endocarp-locular-ovular structure.</jats:p> |
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| author | McGarry, Roisin, Ozga, Jocelyn A., Reinecke, Dennis M. |
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| description | <jats:p>Fruit growth in saskatoons (<jats:italic>Amelanchier alnifolia</jats:italic> Nutt.), an emerging horticultural crop across the Canadian prairies, results from development of the mesocarp and the endocarp-locular-ovular structure which includes the developing seeds. Contribution of these tissues to fruit size was assessed using transverse sections of ovaries sampled at six developmental stages among large- and small-fruited cultivars. Mesocarp development was similar among the larger-fruited cultivars (Thiessen, Northline, and Smoky); the number of cells increased rapidly through Stage I [162 to 293 growing degree days (GDDs)] of fruit growth, and cell number increase was minimal during Stages II (293 to 577 GDDs) and III (577 to 747 GDDs). In `Regent' fruit (a small-fruited cultivar), the maximal rate of cell division was delayed until Stage II and the mesocarp contained fewer cells than the larger-fruited cultivars at harvest maturity. Mesocarp cell enlargement was similar among all of the cultivars studied where cell expansion was maximal during Stage I and continued at a slower rate during Stages II and III. The area of the endocarp-locular-ovular structure was greatest for `Thiessen' and `Northline', midrange for `Smoky', and smallest for `Regent'. Data suggest that a minimum number of mesocarp cells early in fruit development is required to attain maximal mesocarp size, and that differences in cultivar fruit size are a function of both the mesocarp and the endocarp-locular-ovular structure.</jats:p> |
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| spelling | McGarry, Roisin Ozga, Jocelyn A. Reinecke, Dennis M. 0003-1062 2327-9788 American Society for Horticultural Science Horticulture Genetics http://dx.doi.org/10.21273/jashs.126.4.381 <jats:p>Fruit growth in saskatoons (<jats:italic>Amelanchier alnifolia</jats:italic> Nutt.), an emerging horticultural crop across the Canadian prairies, results from development of the mesocarp and the endocarp-locular-ovular structure which includes the developing seeds. Contribution of these tissues to fruit size was assessed using transverse sections of ovaries sampled at six developmental stages among large- and small-fruited cultivars. Mesocarp development was similar among the larger-fruited cultivars (Thiessen, Northline, and Smoky); the number of cells increased rapidly through Stage I [162 to 293 growing degree days (GDDs)] of fruit growth, and cell number increase was minimal during Stages II (293 to 577 GDDs) and III (577 to 747 GDDs). In `Regent' fruit (a small-fruited cultivar), the maximal rate of cell division was delayed until Stage II and the mesocarp contained fewer cells than the larger-fruited cultivars at harvest maturity. Mesocarp cell enlargement was similar among all of the cultivars studied where cell expansion was maximal during Stage I and continued at a slower rate during Stages II and III. The area of the endocarp-locular-ovular structure was greatest for `Thiessen' and `Northline', midrange for `Smoky', and smallest for `Regent'. Data suggest that a minimum number of mesocarp cells early in fruit development is required to attain maximal mesocarp size, and that differences in cultivar fruit size are a function of both the mesocarp and the endocarp-locular-ovular structure.</jats:p> Differences in Fruit Development among Large- and Small-fruited Cultivars of Saskatoon (Amelanchier alnifolia) Journal of the American Society for Horticultural Science |
| spellingShingle | McGarry, Roisin, Ozga, Jocelyn A., Reinecke, Dennis M., Journal of the American Society for Horticultural Science, Differences in Fruit Development among Large- and Small-fruited Cultivars of Saskatoon (Amelanchier alnifolia), Horticulture, Genetics |
| title | Differences in Fruit Development among Large- and Small-fruited Cultivars of Saskatoon (Amelanchier alnifolia) |
| title_full | Differences in Fruit Development among Large- and Small-fruited Cultivars of Saskatoon (Amelanchier alnifolia) |
| title_fullStr | Differences in Fruit Development among Large- and Small-fruited Cultivars of Saskatoon (Amelanchier alnifolia) |
| title_full_unstemmed | Differences in Fruit Development among Large- and Small-fruited Cultivars of Saskatoon (Amelanchier alnifolia) |
| title_short | Differences in Fruit Development among Large- and Small-fruited Cultivars of Saskatoon (Amelanchier alnifolia) |
| title_sort | differences in fruit development among large- and small-fruited cultivars of saskatoon (amelanchier alnifolia) |
| title_unstemmed | Differences in Fruit Development among Large- and Small-fruited Cultivars of Saskatoon (Amelanchier alnifolia) |
| topic | Horticulture, Genetics |
| url | http://dx.doi.org/10.21273/jashs.126.4.381 |