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