Planting Performance and Two-harvest-one-year Cultivation Technique of'Huangjinmi'Grapevine in Nanning region of Guangxi
In order to alleviate the current situation of less suitable varieties for two-harvests-one-year in Guangxi,further optimize the industrial structure and enhance the core competitiveness,'Huangjinmi'grapevine was introduced and planted in Nanning region.It's botanical characteristics were observed and recorded for four consecutive years,and the corresponding two-harvest-one-year cultivation techniques were studied.The results showed that'Huangjinmi'grapevine in Nanning area of Guangxi showed good and neat flower bud differentiation,natural fruit setting,strong aroma,strong storage and transportation resistance,and strong disease resistance.Summer fruit was fully mature in late June,with the cluster weight was 533.28 g,the berry weight was 11.37 g,the total soluble solid content was 18%,the total acid content was 0.58%,and the growth period from germination to maturity of 133 days.The winter fruit was fully mature in Mid-to-late December,the cluster weight was 384.63 g,the berry weight was 8.67 g,the total soluble solid content was 17.7%,the total acid content was 0.60%,and the growth period from germination to maturity was 116 days.It was suitable for double cropping under the conditions of rain-shelter cultivation in Nanning area and similar tropical regions in Guangxi.It provides the basis for varieties selection of two-harvest-one-year.
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