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[目的]选拔黄山松松材线虫病抗性候补木并进行评价。[方法]于2003年11月在潜山县天柱山林场、青阳县九华山景区、黄山区汤口镇的4片黄山松林分中选择黄山松抗性候选母树63株;2004年春季播种育苗,2005年7月和2006年7月中旬分别进行了1次及2次接种测定。[结果]对抗性候补木选拔母群体培育的63个家系、约13 505株苗木的1次接种检定表明,平均生存率为39.02%;对1次接种测定合格的57个家系、5 250株苗木所作的2次接种测定表明,平均生存率为8.46%。应用2次接种测定合格的家系生存率来评价黄山松松材线虫病抗性强弱,区别出8个抗性强的家系。[结论]在抗性苗木生产之前,可以早期利用该8个家系的原母树;今后还需要通过无性系接种测定,选择出具有较强抗性的家系和单株,营建黄山松无性系抗性种子园。
[Objective] The research aimed to select the hardwood nematode resistance candidate wood of Huangshan pine and evaluate it. [Method] 63 T. mongolicum resistance trees were selected from 4 pine forests in Tianzhushan Forest Farm, Qiuhuashan Scenic Area, Qingyang County and Tangkou Town, Huangshan District in November 2003. In the spring of 2004, Nursery, July 2005 and mid July 2006 were carried out once and twice vaccination. [Result] The results of one inoculation test of 63 families and 13,505 seedlings of resistant candidate wood selection population showed that the average survival rate was 39.02%. Among 57 families and 5,250 seedlings The 2 inoculation tests showed that the average survival rate was 8.46%. Application of 2 inoculation determination of eligible family survival rate to evaluate the resistance of pine wood nematode Huangshan resistance strength, the distinction between the 8 resistance of the pedigree. [Conclusion] Prior to the production of resistant seedlings, the primordial trees of the eight families could be used early. In the future, the clones were also selected through clonal inoculation assays to select the most resistant and resistant families and clones Seed Garden.