Abstract
Intraspecific recurrent selection in V. vinifera is an effective method for breeding of high quality, disease-, cold-, and drought-resistance grapes. Exploring the optimal treatment methods for grape (V. vinifera) seeds can help to accelerate the process of intraspecific recurrent selection and improve breeding efficiency. In this study, seeds of six V. vinifera varieties were used as experimental materials, and the germination and seedling formation characteristics were studied by single factor treatment and orthogonal compound treatment, respectively. To do this, stratification, chemical substances, beak cutting, and pre-germination treatments were tested, and the optimal treatment combination was determined for each variety. The results indicated that the optimal conditions obtained in the orthogonal experiments were not completely consistent with those in the single-factor experiments. Single factor experiment results demonstrated that two stratification methods (chilling gauze-storage and chilling sand-storage) and two pre-germination methods (pre-germination in petri dishes and pre-germination in a bean sprouter) vary in effectiveness for different varieties. gibberellin acid (GA3) soaking and beak-cutting promote the germination and seedling rate of the tested varieties. Orthogonal test results demonstrate that, for Dunkelfelder and Cabernet Sauvignon, the optimal treatment combination was chilling sand-storage + GA3 soaking seed + beak cutting + pre-germination in petri dishes. For Meili, the optimal treatment combination was chilling sand-storage + acetic acid (HAc) soaking seed + beak cutting + pre-germination in petri dishes. For Ecolly, the optimal treatment combination was chilling sand-storage + GA3 soaking seed + beak cutting + pre-germination in a bean sprouter. For Garanior, the optimal treatment combination was chilling sand-storage + HAc soaking seed + no beak cutting + pre-germination in petri dishes. For Marselan, the optimal treatment combination was chilling gauze-storage + GA3 soaking seed + beak cutting + pre-germination in a bean sprouter. This study identified the optimal conditions for seed germination and seedling formation of six grape varieties, which will facilitate future work to characterize the seed germination and seedling formation of seeds obtained by intraspecific hybridization of these varieties. This work also provides a reference for addressing problems of low seed germination rate and suboptimal seedling formation for better utilization of grape germplasms.
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Claims 10
Claim · model-written summary
For V. vinifera seed germination, the optimal conditions from the orthogonal experiments were not completely consistent with those from the single-factor experiments.
Verbatim
e1“seeds of six V. vinifera varieties were used as experimental materials”
e2“the optimal conditions obtained in the orthogonal experiments were not completely consistent with those in the single-factor experiments”
Claim · model-written summary
Two stratification methods and two pre-germination methods differed in effectiveness among the grape varieties.
Verbatim
e1“seeds of six V. vinifera varieties were used as experimental materials”
e3“vary in effectiveness for different varieties”
Claim · model-written summary
GA3 soaking of seeds promoted the germination and seedling rate of the tested grape varieties.
- Taxon
- V. viniferae1
- Material
- tested varietiese4
- Treatment
- gibberellin acid (GA3) soakinge4
- Outcome
- germination and seedling ratee4
- Direction
- promotee4
Not reportedComparator
Verbatim
e1“seeds of six V. vinifera varieties were used as experimental materials”
e4“gibberellin acid (GA3) soaking and beak-cutting promote the germination and seedling rate of the tested varieties”
Claim · model-written summary
Beak-cutting promoted the germination and seedling rate of the tested grape varieties.
- Taxon
- V. viniferae1
- Material
- tested varietiese4
- Treatment
- beak-cuttinge4
- Outcome
- germination and seedling ratee4
- Direction
- promotee4
Not reportedComparator
Verbatim
e1“seeds of six V. vinifera varieties were used as experimental materials”
e4“gibberellin acid (GA3) soaking and beak-cutting promote the germination and seedling rate of the tested varieties”
Claim · model-written summary
For Dunkelfelder the optimal treatment combination was chilling sand-storage with GA3 soaking, beak cutting and pre-germination in petri dishes.
Verbatim
e1“seeds of six V. vinifera varieties were used as experimental materials”
e0“for Dunkelfelder and Cabernet Sauvignon, the optimal treatment combination was chilling sand-storage + GA3 soaking seed + beak cutting + pre-germination in petri dishes”
Claim · model-written summary
For Cabernet Sauvignon the optimal treatment combination was chilling sand-storage with GA3 soaking, beak cutting and pre-germination in petri dishes.
Verbatim
e1“seeds of six V. vinifera varieties were used as experimental materials”
e0“for Dunkelfelder and Cabernet Sauvignon, the optimal treatment combination was chilling sand-storage + GA3 soaking seed + beak cutting + pre-germination in petri dishes”
Claim · model-written summary
For Meili the optimal treatment combination was chilling sand-storage with acetic acid (HAc) soaking, beak cutting and pre-germination in petri dishes.
Verbatim
e1“seeds of six V. vinifera varieties were used as experimental materials”
e0“For Meili, the optimal treatment combination was chilling sand-storage + acetic acid (HAc) soaking seed + beak cutting + pre-germination in petri dishes”
Claim · model-written summary
For Ecolly the optimal treatment combination was chilling sand-storage with GA3 soaking, beak cutting and pre-germination in a bean sprouter.
Verbatim
e1“seeds of six V. vinifera varieties were used as experimental materials”
e0“For Ecolly, the optimal treatment combination was chilling sand-storage + GA3 soaking seed + beak cutting + pre-germination in a bean sprouter”
Claim · model-written summary
For Garanior the optimal treatment combination was chilling sand-storage with HAc soaking, no beak cutting and pre-germination in petri dishes.
Verbatim
e1“seeds of six V. vinifera varieties were used as experimental materials”
e0“For Garanior, the optimal treatment combination was chilling sand-storage + HAc soaking seed + no beak cutting + pre-germination in petri dishes”
Claim · model-written summary
For Marselan the optimal treatment combination was chilling gauze-storage with GA3 soaking, beak cutting and pre-germination in a bean sprouter.
Verbatim
e1“seeds of six V. vinifera varieties were used as experimental materials”
e0“For Marselan, the optimal treatment combination was chilling gauze-storage + GA3 soaking seed + beak cutting + pre-germination in a bean sprouter”
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