抗寒李新品种公主红的选育  

A new cold-resistant plum variety Gongzhu Hong

作　　者：张艳波[1] 王雪松 陈蕾[1] 崔龙[1] 李锋[1] 隋松兵 张连喜[1] ZHANG Yanbo;WANG Xuesong;CHEN Lei;CUI Long;LI Feng;SUI Songbing;ZHANG Lianxi(Jilin Academy of Agricultural Sciences,Changchun 130033,Jilin,China;Jilin Jike Biological High Technology Co.,Ltd.,Gongzhuling 136100,Jilin,China)

机构地区：[1]吉林省农业科学院,长春130033 [2]吉林吉科生物高技术有限公司,吉林公主岭136100

出　　处：《果树学报》2022年第4期689-691,共3页Journal of Fruit Science

基　　金：吉林省科技攻关项目(20190301032NY)。

摘　　要：公主红李是以跃进李实生播种选育出的中早熟新品种。果实扁圆形,果皮盖色红色,底色黄绿,果肉黄色,肉质松软,汁液含量多,纤维细,半离核,果顶平,缝合线浅。平均单果质量56.8 g,平均可溶性固形物含量(w,后同)16.4%,可溶性糖含量7.93%,可滴定酸含量0.92%,类黄酮含量67.27 mg·100 g-1、花青素含量14.05 mg·100 g-1、类胡萝卜素39.21 mg·100 g-1。公主岭地区4月下旬开花。在吉林地区露地栽培8月上旬果实成熟。果实发育期95 d左右。可在吉林省无霜期≥130 d,≥10℃有效积温2800℃以上地区引种试栽。Gongzhu Hong plum is a new mid early maturing variety bred from Yuejin plum.The seeds of Yuejin plum were collected in 1982 and sown in the spring of 1983.Scions were collected from the seedlings and grafted in 1990.The fruit characters and resistance characters were investigated and eval-uated for several years.One line was found to have the advantages of high fruit quality,semidetached nucleus,high yield and strong stress resistance.It was selected as superior line in 2000.Regional experi-ments were carried out in Changchun,Panshi,and other regions in 2012.Tree shaping and yield experi-ments were carried out in Gongzhuling in 2014.The color of the annual branch is yellowish brown.The average length of annual branch is 135 cm,and the average internode length of annual branch 2.69 cm.The leaf shape is oval,the leaf tip is sharp,and the leaf base is wedge-shaped.Average length of leaf is 11 cm,average width 5.8 cm,and average petiole length is 1.1 cm.The tree is vigorous with semi-open canopy.Gongzhu Hong plum sprouts in early April and blooms from late April to early May in Gong-zhuling area.The fruit ripen in early August in Jilin area and fruit developing period is about 95 days.The variety has strong resistance to cold,to plum red spot disease and bacterial perforation disease,and medium resistance to brown rot.The fruit shape is oblate.The average weight of the fruit is 56.8 g,with a longitudinal diameter of 4.2 cm and transverse diameter of 4.4 cm.Top of the fruit is flat with shallow suture.The background color of the pericarp is yellow green and the cover color is red.The color of the pulp is yellow.The pulp is firm and juicy with little fiber.The stone is semi-detached.The average solu-ble solid content is 16.4%and the soluble sugar of the fruit is 7.93%.The fruit acidity is 0.92%.The content of flavonoids in the fruit is 67.27 mg·100 g-1;the anthocyanins 14.05 mg·100 g-1 and carot-enoids 39.21 mg·100 g-1.The fruit flavor is sweet and sour,and the fresh quality is good.Gongzhu Hong plum can be extended

关 键 词：李 新品种 公主红 抗寒 

分 类 号：S662.3[农业科学—果树学]