Page 35 - 《广西植物》2020年第5期
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5 期                       王冰清等: 湘西地区亚麻酸资源植物调查与筛选                                           6 3 1


                           表 1  湘西地区亚麻酸资源植物综合评价层次结构模型
       Table 1  Hierarchical model for comprehensive evaluation of linolenic acid resource plants in Xiangxi region

    目标层 A                      准则层 B           子准则层 C                                   方案层 D
    Target layer A           Criteria layer B  Sub ̄criteria layer C                    Plan layer D
    综合评价                       生长特性            单株结实量 Single seed yield (C 1 )         待评价的物种
    Comprehensive  evaluation  Growth characteristics (B 1 )                        Species D 1 ꎬD 2 ꎬD 3 
    (A)
                                               繁殖能力 Reproductive capacity (C 2 )
                                               抗逆性 Resistance (C 3 )

                                               分布范围 Distribution range (C 4 )
                                               油脂含量 Oil content (C 5 )

                               油脂特性            毒害程度 Degree of toxicity (C 6 )
                          Oil characteristics (B 2 )
                                               不饱和脂肪酸含量 Unsaturated fatty acid content (C 7 )
                                               亚麻酸含量 Linolenic acid content (C 8 )

                             开发利用潜能            资源储量 Resource reserves (C 9 )
                         Development and utilization
                             potentials (B 3 )
                                               利用程度 Degree of utilization (C 10 )



                                 表 2  湘西地区亚麻酸资源植物评分标准
                    Table 2  Scoring criteria for linolenic acid resource plants in Xiangxi region

                                                            分值 Score
    评价指标 Evaluation indicator
                                   10            8             6              4             2

    单株结实量 Single seed yield    极高 Very high    高 High       中 Medium        低 Low       极低 Very low
    分布范围 Distribution range  极广 Extremely wide  较广 Broader  一般 Medium     较窄 Narrow     零星 Sporadic
    繁殖能力                        极易繁殖          较易繁殖           正常繁殖          较难繁殖          极难繁殖
    Reproductive capacity     Extremely easy to  Easy to reproduce  Normal to  Harder to  Extremely difficult
                                reproduce                    reproduce     reproduce    to reproduce
    抗逆性 Resistance             耐旱、寒、水、        前 5 项ꎬ占       前 5 项ꎬ占       前 5 项ꎬ占        前 5 项ꎬ占
                                贫瘠、盐碱         任意 4 项         任意 3 项        任意 2 项        任意 1 项
                           Resistant to droughtꎬ coldꎬ Four of the first  Three of the first  Two of the first  One of the first
                             waterꎬ barrennessꎬ  five items  five items    five items    five items
                              saline and alkali
    毒害程度                         无毒害          毒害较小           毒害一般          毒害较大          毒害极大
    Degree of toxicity           Non ̄toxic    Less toxicity  Medium toxicity  Higher toxicity  Very poisonous
    油脂含量                         ≥60%         50% ~ 60%     40% ~ 50%     30% ~ 40%       <30%
    Oil content
    不饱和脂肪酸含量                     ≥90%         80% ~ 90%     70% ~ 80%     60% ~ 70%       <60%
    Unsaturated fatty acid content
    亚麻酸含量                        ≥60%         50% ~ 60%     40% ~ 50%     30% ~ 40%       <30%
    Linolenic acid content
    资源储量                        储量丰富          储量较多           储量一般          储量较少          储量极少
    Resource reserves             Rich          More         Medium          Less        Very little
    利用程度                        尚未开发            较少           小范围            较多             普遍
    Degree of utilization       Uncultivated    Less         Medium          More        Universal
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