鲜食葡萄新品种丽珠玫瑰的选育

A new table variety Lizhu Rose

丽珠玫瑰葡萄是由紫丰葡萄为母本、纽约玫瑰葡萄为父本,通过人工杂交选育出的早熟葡萄新品种。果穗圆锥形带副穗,果粒整齐一致、着生紧密,果皮紫黑色,果面光滑,无蜡质,果肉肉质疏松,酸甜适口,汁液多,味道酸甜、具较浓的草莓香味,平均穗质量230 g,最大穗质量350 g。果粒近圆形,纵径1.71 cm,横径1.67 cm,单粒平均质量3.3 g,最大单粒质量4 g,每果实含种子粒数4粒左右,中等大小。出汁率为71.9%,可溶性固形物含量(w,后同)16.59%,总酸含量0.47%,维生素C含量3.29 mg·100 g^(-1);果实生育期126 d。在辽宁省盘锦地区8月上旬成熟,适合盘锦及近似环境地区露地以及温室栽植。

Lizhu Rose is a new grape variety with high quality,which was bred from cross between Zifeng(♀)and New York Rose(♂).More than 300 hybrid seeds were obtained by artificial cross pollination in 2007.They were planted in nutrition cups in the second year and the transplanted in the grape plot of Liaoning Institute of Saline-alkali Land Utilization.Regional trials were carried out in Yingkou,Dalian and other sites.The botanical characters,adaptability,disease resistance and yield were investigated and evaluated.It was certified by the Ministry of Agriculture and Rural Affairs of the People's Republic of China in 2022.The registration code is GPD grape(2022)210014.Lizhu Rose belongs to hybrid of Vitis vinifera and V.labrusca.The tree vigor is very strong.Young leaves are yellow green and have medium-density white fluff.The mature leaves are nearly pentagonal in shape,with five-lobed.The leaf upper surface is flat,smooth and hairless,while the lower surfaces is covered by mediumly dense white fluff.The upper lobe is deep,while the lower lobes are shallow.The petiole depression is narrow and arched;the leaf margin is crenate with blunt teeth which are convex on both sides;and the coloration due to anthocyanin in the veins is weak.The mature shoots are dark brown.Flowers are bisexual.The average cluster weight is 230 g and can reach up to 350 g.The color of berry is purple black and the shape is long elliptic.The average berry weight is 3.3 g and may reach up to 4 g.The flesh is crisp and sweet,with a strong strawberry aroma and palatably sweet and sour flavor.The contents of soluble solids,total acid,and vitamin c was 16.59%,0.47%,3.29 mg·100 g^(-1),respectively.In the Panjing area of Liaoning province,the beginning of bud-burst occurs in Early-April.Flowering takes place in mid-to-late May;berry coloration starts in early and late-July,and berry fully matures at early August.It takes about 126 d from budbreak to harvest.Therefore,it is an early maturing variety.The bud break rate is 62.5%;the average fruiting shoot rate is 72.7%.The average number of fruit branches is 1.6.Juice recovery was about 71.9%.Plants are easy to cultivate because of the strong adaptability and resistance to diseases.It is suitable for cultivation in Panjin and similar areas.