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The Cultivation Techniques and Quality Characteristics of a New Germplasm of Vitis adenoclada Hand.-Mazz Grape
Agronomy ( IF 3.3 ) Pub Date : 2020-11-25 , DOI: 10.3390/agronomy10121851 Dai-Dong Wu , Guo Cheng , Hong-Yan Li , Si-Hong Zhou , Ning Yao , Jin Zhang , Lin-Jun Xie
Agronomy ( IF 3.3 ) Pub Date : 2020-11-25 , DOI: 10.3390/agronomy10121851 Dai-Dong Wu , Guo Cheng , Hong-Yan Li , Si-Hong Zhou , Ning Yao , Jin Zhang , Lin-Jun Xie
Vitis adenoclada Hand.-Mazz is a special wild grape resource that is often confused with Vitis heyneana Roem. & Schult in research or production practice, and there are few comprehensive studies on this species in recent years. “Gui Heizhenzhu No. 3” (GH3), as a new germplasm of V. adenoclada found in Guangxi, China, has many advantages, such as good quality and strong adaptability. In this paper, an attempt was made to introduce the breeding process of GH3, including a brief description of its botanical characteristics and its cultivation and management techniques in karst rocky desertification mountains. Meanwhile, its quality-related parameters were evaluated by widely targeted metabolomic analysis. This study indicated that GH3 had the typical botanical characteristics of V. adenoclada, but with larger fruit and a higher sugar content compared to wild or other V. adenoclada grape varieties. Metabolomic study of the target variety showed that glucose and citric acid were the main sugar and acid components in fully ripened berries. Moreover, cyanidin-3-O-glucoside presented as the characteristic anthocyanin. In addition, B-ring dihydroxylation was more active than trihydroxylation in the GH3 berry. Several of its botanical and quality characteristics highlight the unique genetic background of this variety. Thus, it has an important guiding significance and a scientific theoretical basis for identifying, exploiting, and utilizing East Asian wild grape resources.
更新日期：2020-11-25
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