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浙江大学学报(农业与生命科学版)  2020, Vol. 46 Issue (3): 327-333    DOI: 10.3785/j.issn.1008-9209.2019.07.021
园艺学     
8个彩叶紫薇品种观赏性及适应性评价
王莹(),李玉娟(),谈峰,郭聪
江苏沿江地区农业科学研究所,江苏 南通 226541
Evaluation of ornamental value and adaptability of eight varieties of crape myrtle with color leaves
Ying WANG(),Yujuan LI(),Feng TAN,Cong GUO
Jiangsu Riverine Institute of Agricultural Sciences, Nantong 226541, Jiangsu, China
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摘要:

运用层次分析法(analytic hierarchy process, AHP)对8个彩叶紫薇品种的观赏性、生态适应性与生长特性进行综合评判,以筛选出适应江苏省南通地区的优良彩叶紫薇品种。结果表明:叶色的权重最大,其次为花色,两者是评价彩叶紫薇观赏性的重要指标;整体形态及果实权重相对较小,是观赏性评价的辅助指标;抗病虫害和耐水湿是评价彩叶紫薇适应性的重要指标;生长速度快慢也是引种能否成功较为关键的因素。通过综合分析模型可知,‘火红’(‘Blush’)、‘赤红’(‘Red Hot’)和‘绯红’(‘Crimson Red’)3个品种的综合评价等级达到Ⅰ级,尤其以‘火红’为佳。

关键词: 彩叶紫薇层次分析法观赏性与适应性评价    
Abstract:

With the analytic hierarchy process (AHP), the ornamental value, ecological adaptability and growth characteristics of eight varieties of crape myrtle with color leaves were evaluated comprehensively, which helping to select out the best varieties adapting to Nantong area in Jiangsu Province. The results showed that the weight value of leaf color is the largest, followed by flower color, which are important indexes to evaluate the ornamental value of crape myrtle. The weight values of overall form and fruit were auxiliary indexes of ornamental evaluation. Resistance to pests and diseases and wet resistance were important indexes to evaluate the adaptability of crape myrtle. Growth rate was also a key factor for successful introduction. Through the comprehensive analysis model, three crape myrtles with color leaves belonged to grade Ⅰ level, including ‘Blush’, ‘Red Hot’ and ‘Crimson Red’, among which ‘Blush’ was especially the best of all.

Key words: crape myrtle with color leaves    analytic hierarchy process    ornamental value and adaptability    evaluation
收稿日期: 2019-07-02 出版日期: 2020-07-17
CLC:  S 687.9  
基金资助: 江苏省南通市基础科学研究(JC2018086);江苏省现代农业重点及面上项目(BE2018326);江苏省林业科技创新与推广项目(LYKJ〔2019〕50)
通讯作者: 李玉娟     E-mail: 466625450@qq.com;381260896@qq.com
作者简介: 王莹(https://orcid.org/0000-0002-1790-137X),E-mail:466625450@qq.com
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引用本文:

王莹,李玉娟,谈峰,郭聪. 8个彩叶紫薇品种观赏性及适应性评价[J]. 浙江大学学报(农业与生命科学版), 2020, 46(3): 327-333.

Ying WANG,Yujuan LI,Feng TAN,Cong GUO. Evaluation of ornamental value and adaptability of eight varieties of crape myrtle with color leaves. Journal of Zhejiang University (Agriculture and Life Sciences), 2020, 46(3): 327-333.

链接本文:

http://www.zjujournals.com/agr/CN/10.3785/j.issn.1008-9209.2019.07.021        http://www.zjujournals.com/agr/CN/Y2020/V46/I3/327

准则层

Criterion layer

因子层

Factor layer

得分值 Score (F)
97531

形态

Form

冠幅 Crown diameter/m>2.5>2.0~2.5>1.5~2.01.0~1.5<1.0
树干 Trunk通直、美观通直、一般一般弯曲不明显
树皮 Bark极奇特、美观奇特平滑粗糙较粗糙

Flower

花色 Flower color纯正、鲜艳鲜艳较鲜艳一般较暗
花径 Flower diameter/cm<2.0>1.5~2.0>1.0~1.50.8~1.0<0.8
显著度 Significance密满团簇星散稀疏稀少
观赏期 Ornamental period/d>30>20~30>15~2010~15<10

Leaf

叶色 Leaf color纯正、鲜艳鲜艳一般暗红色暗且杂
叶大小 Leaf size/cm>15>10~15>8~105~8<5
观赏期 Ornamental period/d>30>20~30>15~20>10~15<10

Fruit

果形 Fruit type较大一般较小
果色 Fruit color黑色深褐色褐色黄褐色黄色
显著度 Significance繁而醒目较繁而醒目一般较小

适应能力

Adaptive capacity

耐水湿 Wet resistance较强较差
耐盐碱 Saline tolerance较强较差
抗寒 Chill-proof无寒害有细微枯梢枯梢达1/3枯梢达1/3~1/2地上死亡

抗病虫害

Resistance to pests and diseases

1种1~2种2种3种以上

生长特性

Growth characteristic

生长速度 Growth rate快速中快速中速中慢速慢速

再生能力

Regeneration capacity

极强较强较弱
根系深浅 Root depth/m>1.5>1.2~1.5>0.9~1.20.6~0.9<0.6
表1  彩叶紫薇观赏性与适应性各项指标评分标准

层次模型

Hierarchical

model

判断矩阵

Judgment matrix

权重

Weight

一致性检验

Consistency

test

A-BnAB1B2B3B4

λmax=4.157 3

CI=0.058 9

CR=0.065 4

B111/6110.130 9
B261260.554 8
B311/2130.221 8
B411/61/310.092 5
B1-PnB1P1P2P3

λmax=3.028 7

CI=0.014 4

CR=0.024 8

P11530.633 3
P21/511/30.106 2
P31/3310.260 5
B2-PnB2P4P5P6P7

λmax=4.034 2

CI=0.016 2

CR=0.018 0

P411430.381 6
P511350.403 8
P61/41/3110.109 9
P71/31/5110.104 8
B3-PnB3P8P9P10

λmax=3.033 7

CI=0.016 9

CR=0.029 1

P8111/40.186 5
P9111/20.234 1
P104210.579 4
B4-PnB4P11P12P13

λmax=3.026 5

CI=0.013 2

CR=0.022 8

P1111/430.265 2
P124160.679 8
P131/31/610.095 4
表2  不同层次的判断矩阵及一致性检验结果

目标层

Destination

layer (A)

准则层

Criterion

layer (B)

因子层

Factor layer (P)

权重

Weight

排名Ranking

彩叶紫薇无性系观赏价值评价

Ornamental value of crape myrtle clones

Leaf (B1)

叶色

Leaf color (P1)

0.1681

叶大小

Leaf size (P2)

0.0236

观赏期

Ornamental

period (P3)

0.1153

Flower (B2)

花色

Flower color (P4)

0.1252

花径

Flower diameter

(P5)

0.0217

显著度

Significance (P6)

0.0425

观赏期

Ornamental

period (P7)

0.0784

形态

Form (B3)

冠幅

Crown diameter

(P8)

0.0178

树干

Trunk (P9)

0.00710

树皮

Bark (P10)

0.00611

Fruit (B4)

果色

Fruit color (P11)

0.0099

果形

Fruit type (P12)

0.00313

显著度

Significance (P13)

0.00512
表3  彩叶紫薇观赏性评价层次结构模型及各因子权重

准则层

Criterion layer

准则层权重

Weight of

criterion layer

因子层

Factor layer (P)

指标层权重

Weight of index layer

适应能力

Adaptive

capacity

0.287

耐水湿

Wet resistance (P14)

0.084

耐盐碱

Saline tolerance (P15)

0.061

抗寒

Chill-proof (P16)

0.054

抗病虫害

Resistance to pests

and diseases (P17)

0.088

生长特性

Growth

characteristic

0.165

生长速度

Growth rate (P18)

0.075

再生能力

Regeneration

capacity (P19)

0.056

根系深浅

Root depth (P20)

0.034
表4  适应性与生长特性权重

序号

No.

品种

Variety

综合得分

Synthesis

score (H)

等级

Grade

1‘火红’ ‘Blush’6.163 2
2‘赤红’ ‘Red Hot’5.626 7
3‘绯红’ ‘Crimson Red’5.014 2
4‘纯白’ ‘Pure White’4.820 1
5

红叶紫薇

Lagerstroemia indica ‘Pink Velour’

4.153 2
6‘佳红’ ‘Best Red’3.597 0
7‘火红V2’ ‘Blush V22.639 6
8

屋久岛紫薇

Lagerstroemiafauriei Koehne

2.293 9
表5  8个彩叶紫薇品种的评价得分
图1  黑钻系列‘赤红’
图2  黑钻系列‘火红’
图3  黑钻系列‘佳红’
图4  黑钻系列‘纯白’
图5  黑钻系列‘绯红’
图6  黑钻系列‘火红 V2’
图7  屋久岛紫薇
图8  红叶紫薇
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