板栗早熟新品种白露香的选育  

A new early-maturing chestnut cultivar Bailuxiang

作　　者：张树航[1] 王浩 李颖[1] 刘雨婷 郭燕[1] 张馨方[1] 王广鹏[1] ZHANG Shuhang;WAGN Hao;LI Ying;LIU Yuting;GUO Yan;ZHANG Xinfang;WANG Guangpeng(Changli Institute of Pomology,Hebei Academy of Agricultural and Forestry Sciences,Changli 066600,Hebei,China;Xinglong County Forestry and Grassland Bureau,Xinglong 067399,Hebei,China)

机构地区：[1]河北省农林科学院昌黎果树研究所,河北昌黎066600 [2]兴隆县林业和草原局,河北兴隆067399

出　　处：《果树学报》2023年第9期2010-2015,共6页Journal of Fruit Science

基　　金：河北省农林科学院科技创新专项(200KJCXZK-RW-5);河北省科技计划项目(21326304D-3);河北省农林科学院科技示范与服务专项(科技示范基地建设:板栗)。

摘　　要：白露香是河北省农林科学院昌黎果树研究所从兴隆县板栗实生大树中选育出的早熟板栗新品种。坚果椭圆形,果皮紫褐色,果面油亮,茸毛少,筋线不明显,底座大小中等,整齐度高;果肉淡黄色,质地细糯,风味香甜;平均单粒质量10.5 g,每苞平均含坚果2.4粒,出实率38.1%;水分含量(w,后同)49.5%,可溶性糖含量23.3%,淀粉含量51.9%,蛋白质含量4.23%,维生素C含量27.3 mg·100 g^(-1)。该品种在河北省燕山地区9月上旬成熟。生长势强,结果枝健壮,平均长度47.84 cm,每果枝平均着生刺苞2.16个。适应性强,耐瘠薄,抗旱性、抗寒性和耐贮性强,高抗栗疫病,抗栗红蜘蛛和桃蛀螟。适宜在河北省板栗栽培区及相似区域的山地、丘陵、河滩沙地栽培。Bailuxiang,a new early-maturing chestnut cultivar,was selected from the wild mature seedling chestnut trees in Yanshan Mountain of Xinglong county,Hebei province by Changli Institute of Pomology,Hebei Academy of Agricultural and Forestry Sciences.The mother tree is 70 years old,growing on the hillside.In 2001,the chestnut research group found the mother tree during the field investigation on the superior chestnut in Sandaohe township.The old chestnut seedling tree has the characteristics of early maturity,high yield,high quality and better tolerance of barren soil.After regional adaptability testing at three sites of Hebei province(including Xinglong,Qianxi and Kuancheng)over sixteen years from 2004 to 2020,it was finally selected in 2021.This cultivar is tall,the tree posture is halfspreading,and the tree has strong growth vigor.The biennial bearing branches are grayish brown in color.The size and density of lenticel are intermediate.Leaf color is yellow green.Leaves are ellipse with serrate,spreading,and gradually acute apex.The average length of catkin is 17.3 cm and the numbers of catkin on each biennial bearing branch is 7.8.The shape of bur is ellipse and bur is cruciformcracked.The spine bundle on the bur is hard,the density is intermediate,and the average length of spine bundle is 1.4 cm.The nut color is purple-brown and bright,and the side nut shape is ellipse.The stripes on nut is not obvious,size of hilum is intermediate,and the regularity of nuts is high.The flesh of nut is faint yellow in color,fine-textured and smooth.The nuts are perfect for stir-fry purpose.Cooked nut taste is fragrant and glutinous.And the nut average weight is 10.5 g,each bur contains an average of 2.4 nuts,with a seed yield of 38.1%.The water content is 49.5%,the total soluble sugar,starch and protein contents are 23.3%,51.9%and 4.23%,respectively,and vitamin C content is 27.3 mg·100 g^(-1).Nut quality is excellent.It ripens in early September in Hebei area.Annual branches are strong,with an average length of 47.84 cm and a th

关 键 词：板栗 新品种 白露香 早熟 

分 类 号：S664.2[农业科学—果树学]