Details
| Originalsprache | Englisch |
|---|---|
| Seiten (von - bis) | 1-6 |
| Seitenumfang | 6 |
| Fachzeitschrift | Vitis - Journal of Grapevine Research |
| Jahrgang | 51 |
| Ausgabenummer | 1 |
| Publikationsstatus | Veröffentlicht - 2012 |
Abstract
The objectives of this study were to quantify deposition, strain, and microcracking of the cuticular membrane (CM) in developing 'Riesling' (Vitis vinifera L.) berries. Mass of the CM, the cutin matrix (DCM), and wax increased pre-veraison (26 to 65 days after anthesis, DAA) on a berry (+ 236, + 211, and + 332 %, respectively) and a surface area basis (+ 11, + 3, and + 43 %, respectively). Post-veraison (65 to 138 DAA), CM and DCM mass per berry remained about constant at 3.4 (± 0.16) and 2.4 (± 0.11) mg per berry, respectively, while wax mass continued to increase from 0.8 (± 0.02) to 1.1 (± 0.02) mg per berry. On an area basis, however, CM and cutin mass decreased from 5.0 (± 0.13) to 4.6 (± 0.04) g·m -2 and from 3.5 (± 0.10) to 3.2 (± 0.03) g·m -2 between 65 and 138 DAA, respectively, but wax mass remained constant at about 1.5 (± 0.04) g·m -2. The calculated rate of cutin and wax deposition peaked at about 40 DAA, and declined continuously thereafter. There was no strain and no microcracking of the CM up to veraison. Post-veraison strain of the CM and microcracking in the stylar scar region increased linearly with time. The data suggest that the cessation of cutin deposition in post-veraison berries and the ongoing berry expansion resulted in increased strain of the CM which in turn caused microcracking in the CM.
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in: Vitis - Journal of Grapevine Research, Jahrgang 51, Nr. 1, 2012, S. 1-6.
Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review
}
TY - JOUR
T1 - Deposition, strain, and microcracking of the cuticle in developing 'Riesling' grape berries
AU - Becker, T.
AU - Knoche, M.
PY - 2012
Y1 - 2012
N2 - The objectives of this study were to quantify deposition, strain, and microcracking of the cuticular membrane (CM) in developing 'Riesling' (Vitis vinifera L.) berries. Mass of the CM, the cutin matrix (DCM), and wax increased pre-veraison (26 to 65 days after anthesis, DAA) on a berry (+ 236, + 211, and + 332 %, respectively) and a surface area basis (+ 11, + 3, and + 43 %, respectively). Post-veraison (65 to 138 DAA), CM and DCM mass per berry remained about constant at 3.4 (± 0.16) and 2.4 (± 0.11) mg per berry, respectively, while wax mass continued to increase from 0.8 (± 0.02) to 1.1 (± 0.02) mg per berry. On an area basis, however, CM and cutin mass decreased from 5.0 (± 0.13) to 4.6 (± 0.04) g·m -2 and from 3.5 (± 0.10) to 3.2 (± 0.03) g·m -2 between 65 and 138 DAA, respectively, but wax mass remained constant at about 1.5 (± 0.04) g·m -2. The calculated rate of cutin and wax deposition peaked at about 40 DAA, and declined continuously thereafter. There was no strain and no microcracking of the CM up to veraison. Post-veraison strain of the CM and microcracking in the stylar scar region increased linearly with time. The data suggest that the cessation of cutin deposition in post-veraison berries and the ongoing berry expansion resulted in increased strain of the CM which in turn caused microcracking in the CM.
AB - The objectives of this study were to quantify deposition, strain, and microcracking of the cuticular membrane (CM) in developing 'Riesling' (Vitis vinifera L.) berries. Mass of the CM, the cutin matrix (DCM), and wax increased pre-veraison (26 to 65 days after anthesis, DAA) on a berry (+ 236, + 211, and + 332 %, respectively) and a surface area basis (+ 11, + 3, and + 43 %, respectively). Post-veraison (65 to 138 DAA), CM and DCM mass per berry remained about constant at 3.4 (± 0.16) and 2.4 (± 0.11) mg per berry, respectively, while wax mass continued to increase from 0.8 (± 0.02) to 1.1 (± 0.02) mg per berry. On an area basis, however, CM and cutin mass decreased from 5.0 (± 0.13) to 4.6 (± 0.04) g·m -2 and from 3.5 (± 0.10) to 3.2 (± 0.03) g·m -2 between 65 and 138 DAA, respectively, but wax mass remained constant at about 1.5 (± 0.04) g·m -2. The calculated rate of cutin and wax deposition peaked at about 40 DAA, and declined continuously thereafter. There was no strain and no microcracking of the CM up to veraison. Post-veraison strain of the CM and microcracking in the stylar scar region increased linearly with time. The data suggest that the cessation of cutin deposition in post-veraison berries and the ongoing berry expansion resulted in increased strain of the CM which in turn caused microcracking in the CM.
KW - Cutin
KW - Fracture
KW - Skin
KW - Splitting
KW - Vitis vinifera L.
KW - Wax
UR - http://www.scopus.com/inward/record.url?scp=84856865081&partnerID=8YFLogxK
U2 - 10.5073/vitis.2012.51.1-6
DO - 10.5073/vitis.2012.51.1-6
M3 - Article
AN - SCOPUS:84856865081
VL - 51
SP - 1
EP - 6
JO - Vitis - Journal of Grapevine Research
JF - Vitis - Journal of Grapevine Research
SN - 0042-7500
IS - 1
ER -