Comprehensive Evaluation of Plant Resources and Gardening Application of Wild Begonia in Guangxi

doi:10.13466/j.cnki.lyzygl.2023.01.013

Abstract

Abstract:

Wild Begonias in Guangxi are rich in resources,which have great prospects for development and application.Through the investigation and cultivation experiments of wild Begonia in Guangxi,and by using the Analytic Hierarchy Process(AHP) and the Entropy Weight Method(EWM),this paper comprehensively evaluated 60 species of wild Begonia in Guangxi to provide scientific basis for the introduction,domestication and gardening applications of Begonia.The evaluation system consisted of ornamental characteristics,biological characteristics,development potential and 16 evaluation factors.This study found that:1) 8 species were Class I,such as Begonia umbraculifolia,which had high ornamental value,strong resistance,wide range of suitability,and various applications.2) 14 species were Class II,such as Begonia ferox,which had high ornamental value,strong adaptability,and simple maintenance,with good development potential,but slightly inferior ornamental value.3) 18 species were Class III,such as Begonia austroguangxiensis,which had simple maintenance,strong growth potential,general development and application value.4) 13 species were Class IV,such as Begonia daxinensis,which had low adaptability.They did not have advantages in garden promotion and application,but could show their value in specific areas.5) 7 species were Class V,such as Begonia chongzuoensis,which had low garden application value and poor adaptability.They could be preserved in the gene pool as germplasm resources.The comprehensive evaluation system of wild Begonia resources established in this study has important theoretical and practical significance for the development and utilization of wild Begonia resources in Guangxi and even in China.

Key words: wild Begonia, development and application, evaluation system, AHP-entropy method, Guangxi

CLC Number:

S688

GAO Yangyang, HUANG Ying, HUANG Yang, TANG Wenxiu, HUANG Shixun, DENG Tao. Comprehensive Evaluation of Plant Resources and Gardening Application of Wild Begonia in Guangxi[J]. FOREST RESOURCES WANAGEMENT, 2023, 0(1): 104-114.

Figures/Tables 11

Fig.1

Fig.2

Tab.1

Tab.2

Tab.3

Fig.3

Fig.4

Tab.4

Evaluation results and grades

序号	评价对象	拉丁学名	评价分数	开发等级
1	伞叶秋海棠	B.umbraculifolia	72.53	Ⅰ级 (8种)
2	铁甲秋海棠	B.masoniana	71.20
3	涩叶秋海棠	B.scabrifolia	69.41
4	少瓣秋海棠	B.wangii	67.32
5	广西秋海棠	B.guangxiensis	67.04
6	一口血秋海棠	B.picturata	66.83
7	丽叶秋海棠	B.Ningmingensis	64.99
8	昌感秋海棠	B.cavaleriei	61.81
9	黑峰秋海棠	B.ferox	59.10	Ⅱ级 (14种)
10	蛛网脉秋海棠	B.arachnoidea	58.87
11	丝形秋海棠	B.filiformis	56.32
12	花叶秋海棠	B.cathayana	54.09
13	罗城秋海棠	B.luochengensis	53.94
14	掌裂叶秋海棠	B.pedatifida	53.27
15	肿柄秋海棠	B.pulvinifera	52.36
16	大王秋海棠	B.rex	52.13
17	突脉秋海棠	B.retinervia	51.06
18	马山秋海棠	B.mashanica	47.59
19	卷毛秋海棠	B.cirrosa	46.20
20	方氏秋海棠	B.fangii	43.68
21	龙州秋海棠	B.morsei	42.51
22	罗甸秋海棠	B.porteri	40.97
23	桂南秋海棠	B.austroguangxiensis	39.55	Ⅲ级 (18种)
24	近革叶秋海棠	B.subcoriacea	38.72
25	截叶秋海棠	B.truncatiloba	37.15
26	掌叶秋海棠	B.hemsleyana	36.46
27	灯果秋海棠	B.lanternaria	36.20
28	鹿寨秋海棠	B.luzhaiensis	35.03
29	德保秋海棠	B.debaoensis	34.90
30	宁明秋海棠	B.ningmingensis	34.62
31	大香秋海棠	B.handelii	34.02
32	陆氏秋海棠	B.lui	33.81
33	星果草叶秋海棠	B.asteropyrifolia	33.54
34	秋海棠	B.grandis	33.07
35	长柄秋海棠	B.smithiana	32.82
36	雷平秋海棠	B.leipingensis	32.79
37	巨苞秋海棠	B.gigabracteata	31.67
38	橙花侧膜秋海棠	B.aurantiflora	31.20
39	宜州秋海棠	B.yizhouensis	30.92
40	果子狸秋海棠	B.larvata	30.44
41	大新秋海棠	B.daxinensis	28.37	Ⅳ级 (13种)
42	多花秋海棠	B.sinofloribunda	27.66
43	柱果秋海棠	B.cylindrical	27.09
44	临桂秋海棠	B.linguiensis	26.39
45	金秀秋海棠	B.glechomifolia	25.38
46	弯果秋海棠	B.curvicarpa	25.24
47	周裂秋海棠	B.circumlobata	25.08
48	食用秋海棠	B.edulis	24.53
49	癞叶秋海棠	B.leprosa	23.86
50	耳托秋海棠	B.auritistipula	23.15
51	弄岗秋海棠	B.longgangensis	21.78
52	都安秋海棠	B.suboblata	20.65
53	长茎鸟叶秋海棠	B.ongiornithophylla	20.33
54	崇左秋海棠	B.chongzuoensis	19.58	Ⅴ级 (7种)
55	靖西秋海棠	B.jingxiensis	18.13
56	歪叶秋海棠	B.augustinei	15.05
57	假大新秋海棠	B.pseudodaxinensis	13.67
58	假癞叶秋海棠	B.pseudoleprosa	12.71
59	半侧膜秋海棠	B.semiparietalis	11.52
60	刘演秋海棠	B.liuyanii	10.35

Tab.4

Fig.5

Tab.5

Fig.6

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项目	类别	人数/个	构成比/%
工作年限	≥10	23	77
	<10	7	23
职称	高级	25	83
	中级	5	17
所在单位	高校	16	53
	研究所	14	47
学历	学士	3	10
	硕士	16	53
	博士	11	37
专业	植物学	17	57
	风景园林	13	43

判断矩阵											最大特征值	一致性检验	主观权重
A-B_i	A	B₁	B₂	B₃							λ_max=3.0055	CR=0.0053 <0.1000
	B₁	1	4	2						0.5648
	B₂	1/4	1	1/2						0.1311
	B₃	1/2	2	1						0.3042
B₁-P_i	B₁	P₁	P₂	P₃	P₄	P₅	P₆	P₇	P₈		λ_max=8.7385	CR=0.0748 <0.1000	0.0979
	P₁	1	1/2	3/2	1	3	5/2	2	6	0.1734			0.1802
	P₂	2	1	3	5	4	9/2	7/2	8	0.3190			0.0600
	P₃	2/3	1/3	1	3	2/5	3/5	5/2	7/2	0.1063			0.0367
	P₄	1	1/5	1/3	1	1/2	2/3	1/2	2	0.0649			0.0645
	P₅	1/3	1/4	5/2	2	1	2/5	5/2	4	0.1142			0.0665
	P₆	2/5	2/9	5/3	3/2	5/2	1	5/3	3	0.1178			0.0432
	P₇	1/2	2/7	2/5	2	2/5	3/5	1	9/2	0.0765			0.0158
	P₈	1/6	1/8	2/7	1/2	1/4	1/3	2/9	1	0.0280
B₂-P_i	B₂	P₉	P₁₀	P₁₁	P₁₂						λ_max=4.0758	CR=0.0284 <0.1000
	P₉	1	5/2	6	1					0.4071			0.0534
	P₁₀	2/5	1	4	1					0.2314			0.0303
	P₁₁	1/6	1/4	1	2/9					0.0625			0.0082
	P₁₂	1	1	9/2	1					0.2990			0.0392
B₃-P_i	B₃	P₁₃	P₁₄	P₁₅	P₁₆						λ_max=4.1484	CR=0.0556 <0.1000
	P₁₃	1	5/3	5/2	3					0.3993			0.1215
	P₁₄	3/5	1	4	4					0.3696			0.1124
	P₁₅	2/5	1/4	1	3/5					0.1042			0.0317
	P₁₆	1/3	1/4	5/3	1					0.1268			0.0386

评价因子	主观权重	客观权重	总权重	排序
叶色(P₁)	0.0979	0.0137	0.0314	11
叶面斑纹(P₂)	0.1802	0.0265	0.1116	3
花色(P₃)	0.0600	0.0245	0.0345	10
花期(P₄)	0.0367	0.0541	0.0464	8
着花密度(P₅)	0.0645	0.0705	0.1064	5
花叶高度比(P₆)	0.0665	0.0197	0.0306	12
盖度(P₇)	0.0432	0.0220	0.0222	13
附属物(P₈)	0.0158	0.2973	0.1100	4
抗逆性(P₉)	0.0534	0.0063	0.0079	14
抗病虫害能力(P₁₀)	0.0303	0.0042	0.0030	16
生长势(P₁₁)	0.0082	0.0166	0.0032	15
繁殖难易度(P₁₂)	0.0392	0.1145	0.1051	7
栽培养护成本(P₁₃)	0.1215	0.0427	0.1214	1
园林用途(P₁₄)	0.1124	0.0172	0.0452	9
现状利用程度(P₁₅)	0.0317	0.1420	0.1053	6
资源分布范围(P₁₆)	0.0386	0.1283	0.1159	2

组别	种植环境	试验的秋海棠种类及每种的种内存活率/%				组内总存活率/%	存活植株的生长情况
组1 (50株)	全光照环境	涩叶秋海棠(B.scabrifolia)	40	广西秋海棠(B.guangxiensis)	40	30	植株干枯,叶片枯黄, 伴随有黑色斑点; 越夏困难
		卷毛秋海棠(B.cirrosa)	60	罗城秋海棠(B.luochengensis)	40
		截叶秋海棠(B.truncatiloba)	40	宁明秋海棠(B.ningmingensis)	20
		大新秋海棠(B.daxinensis)	0	临桂秋海棠(B.linguiensis)	20
		靖西秋海棠(B.jingxiensis)	20	刘演秋海棠(B.liuyanii)	20
组2 (50株)	阴蔽环境	涩叶秋海棠(B.scabrifolia)	100	广西秋海棠(B.guangxiensis)	80	72	植株生长良好, 但生长缓慢
		卷毛秋海棠(B. cirrosa)	100	罗城秋海棠(B. luochengensis)	80
		截叶秋海棠(B. truncatiloba)	60	宁明秋海棠(B. ningmingensis)	80
		大新秋海棠(B. daxinensis)	40	临桂秋海棠(B. linguiensis)	80
		靖西秋海棠(B. jingxiensis)	60	刘演秋海棠(B. liuyanii)	40
组3 (50株)	阴湿环境	涩叶秋海棠(B.scabrifolia)	100	广西秋海棠(B.guangxiensis)	100	88	植株生长良好
		卷毛秋海棠(B.cirrosa)	100	罗城秋海棠(B.luochengensis)	100
		截叶秋海棠(B.truncatiloba)	80	宁明秋海棠(B.ningmingensis)	80
		大新秋海棠(B.daxinensis)	100	临桂秋海棠(B.linguiensis)	80
		靖西秋海棠(B.jingxiensis)	80	刘演秋海棠(B.liuyanii)	60