冬枣与临猗梨枣杂交子代果实裂果特性研究  

Research on the Characteristics of Fruit Cracking in the Hybrid Progenies Between Ziziphus jujuba‘Dongzao’and‘Linyi Lizao’

作　　者：唐岩[1] 荆艳萍[1] 许莉斯[2] 申连英[2] 李颖岳[1] 庞晓明[1] 

机构地区：[1]北京林业大学林木育种国家工程实验室,林木花卉遗传育种教育部重点实验室,计算生物学中心,生物科学与技术学院,北京100083 [2]河北农业大学中国枣研究中心,河北保定061000

出　　处：《园艺学报》2013年第4期749-754,共6页Acta Horticulturae Sinica

基　　金：中央高校基本业务费项目(BLYX200924;JD2010-03);林业公益性行业专项(201004017);‘十二五’农村领域国家科技计划课题(2013BAD14B0302)

摘　　要：研究影响枣裂果的因素对选育抗裂果品种和开发防裂措施具有重要意义。对冬枣×临猗梨枣的F1子代分离群体进行裂果率和裂果指数测定,并进行石蜡制片和显微观测,探讨同一分离群体的不同基因型个体间成熟果实表皮结构与裂果的关系。结果显示,48-LS-33,47-LS-22,II-13-15为极抗裂株系;抗裂株系比易裂株系果实表皮厚,果实表皮厚度和裂果率呈显著负相关,抗裂类型果实表皮细胞排列较紧密,角质层沉积导致的表皮第一层细胞垂周状变化明显,而角质层厚度与裂果无明显相关性。Exploring the mechanisms underlying jujube fruit cracking is essential for the development of new cultivar with high cracking resistance and also provides important reference to overcome the problem. In this study, the hybrid seedlings between ＇Dongzao＇ and ＇Linyi Lizao＇ were chosen to investigate of the rate of fruit cracking and to reveal the anatomy structure through the paralTm section analysis. Furthermore, the relationship between fi-uit epidermal structure and fruit cracking susceptibility were analyzed. The results showed that 48-LS-33, 47-LS-22, 11-13-15 were the genotypes with highest cracking resistance and that there showed a significant negative correlation between the thickness of fruit epidermal cells and cracking rate. The fruit of cracking resistant type had tighter arrangement of epidermis cells than that of cracking sensitive type. The anticlinal changing in first layer epidermis cells caused by cuticle deposition is obvious in the fruit of resistant cracking type, whereas the cuticle thickness was not found to be related to the cracking rate.

关 键 词：枣 裂果 表皮 角质层 

分 类 号：S665.1[农业科学—果树学]