Abstract
Abstract: Intraspecific recurrent selection in V. vinifera is an effective method for breeding of high qauality, 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
Orthogonal and single-factor experiments yielded partly different optimal seed treatments.
Verbatim
e0“optimal conditions obtained in the orthogonal experiments were not completely consistent with those in the single- factor experiments”
t0“GRAPE”
Claim · model-written summary
The effectiveness of stratification and pre-germination methods varied by variety.
Verbatim
e0“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”
t0“GRAPE”
Claim · model-written summary
gibberellin acid (GA3 ) soaking promoted germination and seedling rate.
- Taxon
- GRAPEt0
- Treatment
- gibberellin acid (GA3 ) soakinge0
- Outcome
- germination and seedling ratee0
- Direction
- promotee0
Not reportedComparator
Verbatim
e0“gibberellin acid (GA3 ) soaking and beak-cutting promote the germination and seedling rate of the tested varieties”
t0“GRAPE”
Claim · model-written summary
beak-cutting promoted germination and seedling rate.
Not reportedComparator
Verbatim
e0“gibberellin acid (GA3 ) soaking and beak-cutting promote the germination and seedling rate of the tested varieties”
t0“GRAPE”
Claim · model-written summary
The optimal treatment combination for Dunkelfelder was chilling sand-storage + GA3 soaking seed + beak cutting + pre-germination in petri dishes.
Verbatim
e0“For Dunkelfelder and Cabernet Sauvignon, the optimal treatment combination was chilling sand-storage + GA3 soaking seed + beak cutting + pre-germination in petri dishes”
t0“GRAPE”
Claim · model-written summary
The optimal treatment combination for Cabernet Sauvignon was chilling sand-storage + GA3 soaking seed + beak cutting + pre-germination in petri dishes.
Verbatim
e0“For Dunkelfelder and Cabernet Sauvignon, the optimal treatment combination was chilling sand-storage + GA3 soaking seed + beak cutting + pre-germination in petri dishes”
t0“GRAPE”
Claim · model-written summary
The optimal treatment combination for Meili was chilling sand-storage + acetic acid (HAc) soaking seed + beak cutting + pre-germination in petri dishes.
Verbatim
e0“For Meili, the optimal treatment combination was chilling sand-storage + acetic acid (HAc) soaking seed + beak cutting + pre-germination in petri dishes”
t0“GRAPE”
Claim · model-written summary
The optimal treatment combination for Ecolly was chilling sand-storage + GA3 soaking seed + beak cutting + pre- germination in a bean sprouter.
Verbatim
e0“For Ecolly, the optimal treatment combination was chilling sand-storage + GA3 soaking seed + beak cutting + pre- germination in a bean sprouter”
t0“GRAPE”
Claim · model-written summary
The optimal treatment combination for Garanior was chilling sand-storage + HAc soaking seed + no beak cutting + pre-germination in petri dishes.
Verbatim
e0“For Garanior, the optimal treatment combination was chilling sand-storage + HAc soaking seed + no beak cutting + pre-germination in petri dishes”
t0“GRAPE”
Claim · model-written summary
The optimal treatment combination for Marselan was chilling gauze- storage + GA3 soaking seed + beak cutting + pre-germination in a bean sprouter.
Verbatim
e0“For Marselan, the optimal treatment combination was chilling gauze- storage + GA3 soaking seed + beak cutting + pre-germination in a bean sprouter”
t0“GRAPE”
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