板栗采穗圃的营建及经营管理技术

Techniques of Construction and Management of Chestnut Cutting Orchard

在１９９１～１９９２年的“云南省板栗种质资源调查研究”课题实施中，初选了１２２株板栗优树，经反复比较筛选，选出４３株优树。１９９３年春，分别采集接穗，以３个重复，高接于峨山县森警队２０年生实生栗园。１９９４年春，又将４３个优系的接穗，用５个重复，嫁接于峨山县白龙箐２年生实生栗园。经１９９４～１９９７年测产考种，选择出２４个优系在云南省进行区域化试验，其中云栗６号等６个新优系在生产上示范推广。对板栗采穗圃的营建技术，经营管理均作了详细论述。

From 1991 to 1992,during the implement of the project—Investigaiton and Research on Chestnut Germplasm Resource of Yunnan Province,forty three superior trees were selected from 122 preliminary selected trees.In spring of 1993,the scions collected from these 43 superior trees were grafted onto the 20 years old chestnut trees cultivated in Eshan county by dividing into 3 replications.In spring of 1994,the scions from these 43 superior trees were grafted onto the 2 years old chestnut trees cultivated in Eshan county by dividing into 5 replications.Through 3 years'production determination and seed inspection from 1994 to 1997,twenty four superior families of chestnut were selected to regional test in Yunnan province.Among which,six new superior families including Yuli No.6 have been cultivated popularly as the examples.The techniques of construction and management of chestnut cutting orchard were introduced in this paper.