2009年11月29日,由沧州市林业局、河北省林业科学研究院共同承担完成的“抗裂果病枣树新品种的选育”(编号:09ZD02)课题通过了沧州市科技局组织的专家鉴定。鉴定意见认为:(1)选育出适合金丝小枣产区栽培的抗裂果新品系“无核优”,综合性状优于现主栽品种,可有效控制枣裂果的危 November 29, 2009, Cangzhou City Forestry Bureau, Hebei Academy of Forestry jointly assume the completion of the “new varieties of jujube cracking disease resistance breeding” (code: 09ZD02) subject passed Cangzhou City Science and Technology Bureau of the experts Identification. The appraisal opinions are as follows: (1) The new strain “Crack-free” suitable for the cultivation of golden jujube in the producing areas of the golden jujube was bred and the comprehensive trait was better than that of the present cultivated variety, which could effectively control the danger of jujube cracking