摘要
为加快栓皮栎遗传改良,培育优良新品种,提高栓皮栎树种造林质量和增加林业经济效益,运用模糊数学隶属函数综合评判法,对4个栓皮栎不同变异类型的栓皮特性、速生性、抗旱性进行分析和综合评价。结果表明:4个栓皮栎变异类型的栓皮优良性为厚皮深裂型>厚皮浅裂型>薄皮深裂型>薄皮浅裂型;速生性为厚皮深裂>薄皮浅裂>厚皮浅裂>薄皮深裂;抗旱性为薄皮深裂型>薄皮浅裂型>厚皮浅裂型>厚皮深裂型;综合优良性为厚皮深裂型>厚皮浅裂型>薄皮深裂型>薄皮浅裂型。厚皮深裂型是栓皮栎天然变异类型中的最佳变异类型,因当作为首选类型,进行保护和定向培育。
In order to speed up the genetic improvement,breeding excellent new variety,raising afforestation quality and increasing economic benefit of Quercus variabilis,the cork characteristic,fast-growth and drought tolerance of four variant types of Q.variabilis were comprehensively investigated,analyzed and evaluated by using comprehensive evaluation method of membership function.The results show that the superiority values of four variant types of Q.variabilis were sequenced by magnitude： thick-bark and deepcrack type thick-bark and shallow-crack type thin bark and deep crack type thin bark and shallow-crack type;the fast-growth performance ordered from high to low： thick bark and deep crack type thin bark and shallow crack type thick bark and shallow crack type thin bark and deep crack type;the drought resistant characters ranked in magnitude： thin bark and deep-crack type thin bark and shallow crack type thick bark and shallow crack type thick bark and deep crack type;the comprehensive superiority ordered from big to small： thick bark and deep crack type thick bark and shallow crack type thin bark and deep crack type thin bark and shallow crack type.It is suggested that the thick bark and deep crack type was the best variant type in four nature variant types of Q.variabilis,which should be protected and directionally cultivated as a preferred type.
出处
《中南林业科技大学学报》
CAS
CSCD
北大核心
2013年第6期60-63,共4页
Journal of Central South University of Forestry & Technology
基金
国家林业局林业公益性行业专项(201004011)
国家自然科学基金项目(30872018)
陕西省重点基础研究项目(2009JZ005)
关键词
栓皮栎
变异类型
优良性分析
综合评价
Quercus variabilis
variant type
superiority analysis
comprehensive evaluation
