Soil Bacterial Community of Rubber Plantations of Different Ages of Stand: Composition and Diversity Study

doi:10.11924/j.issn.1000-6850.casb2021-0501

Abstract

Abstract:

To understand the soil bacterial composition and diversity of rubber plantations of different ages of stand, soil samples were collected with 5-point sampling method, and the composition, diversity, and seasonal changes of soil bacterial communities in forests of three ages of stand were measured by using high-throughput sequencing. Acidobacteria, Chloroflexi, Actinobacteria Firmicutes, Bacteroidetes showed significant differences, and Nitrospirae showed extremely significant differences. Acidbacteria, Actinobacteria, γ-Proteobacteria, and Sphingobactaiia showed significant differences, while Ktedonobacteria, OPB35_soil_group, and Bacilli showed extremely significant differences. norank_c__Acidobacteria, Variibacter, Candidatus_koribacter, norank_o__JG30-KF-AS9 showed significant differences, and norank_c__OPB35_soil_group and Acidibacter showed extremely significant differences. There was no significant difference in the Simpson index, Sobs index, Ace index and Shannon index among the soil bacterial communities of the forests of three ages of stand. The seasonal interpretation of the microbial community was 24.60%. In summary, Proteobacteria and Acidobacteria were the most abundant bacterial groups and there was no significant difference in the diversity index, and the season was an important factor affecting community structure and diversity of soil bacterial communities of rubber plantations.

Key words: rubber plantations, soil bacterial community, diversity, seasonal change

CLC Number:

S154.36

SUN Shuqing, DING Wei, SUN Rui, ZHANG Xicai, LAN Guoyu, CHEN Wei, YANG Chuan, WU Zhixiang. Soil Bacterial Community of Rubber Plantations of Different Ages of Stand: Composition and Diversity Study[J]. Chinese Agricultural Science Bulletin, 2022, 38(9): 93-100.

Figures/Tables 8

References 32

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林地类型	含水量/%	pH	有机质/(g/kg)	全氮/(g/kg)	全磷/(g/kg)	全钾/(g/kg)	有效钾/ (mg/kg)	有效磷/ (mg/kg)	水解氮/ (mg/kg)
幼龄林	13.19±2.00a	3.73±0.37a	1.69±0.26a	0.62±0.10a	0.76±0.27a	13.92±1.65c	64.60±25.68ab	35.57±19.69a	28.61±1.88a
中龄林	16.62±3.17b	3.76±0.56a	2.41±0.34b	1.19±0.08b	0.74±0.08a	37.98±3.32b	77.79±25.16a	15.36±2.86b	37.54±2.45b
老龄林	17.60±3.22b	3.95±0.54b	1.27±0.26c	0.56±0.06a	0.55±0.14b	9.01±1.66a	46.23±12.27b	13.99±4.76b	27.80±1.32a

林地类型	含水量/%	pH	有机质/(g/kg)	全氮/(g/kg)	全磷/(g/kg)	全钾/(g/kg)	有效钾/ (mg/kg)	有效磷/ (mg/kg)	水解氮/ (mg/kg)
幼龄林	13.19±2.00a	3.73±0.37a	1.69±0.26a	0.62±0.10a	0.76±0.27a	13.92±1.65c	64.60±25.68ab	35.57±19.69a	28.61±1.88a
中龄林	16.62±3.17b	3.76±0.56a	2.41±0.34b	1.19±0.08b	0.74±0.08a	37.98±3.32b	77.79±25.16a	15.36±2.86b	37.54±2.45b
老龄林	17.60±3.22b	3.95±0.54b	1.27±0.26c	0.56±0.06a	0.55±0.14b	9.01±1.66a	46.23±12.27b	13.99±4.76b	27.80±1.32a

林地类型	Sobs指数	Shannon指数	Simpson指数	Ace指数	Coverage指数
幼龄林	1702±18a	6.275±0.1560a	0.0051±0.0018a	2291±175a	0.9621±0.0123a
中龄林	1690±396a	6.1242±0.3024a	0.0062±0.0029a	2488±353a	0.9582±0.0206a
老龄林	1776±413a	6.1068±0.3068a	0.0096±0.0072a	2541±312a	0.9592±0.1711a

林地类型	Sobs指数	Shannon指数	Simpson指数	Ace指数	Coverage指数
幼龄林	1702±18a	6.275±0.1560a	0.0051±0.0018a	2291±175a	0.9621±0.0123a
中龄林	1690±396a	6.1242±0.3024a	0.0062±0.0029a	2488±353a	0.9582±0.0206a
老龄林	1776±413a	6.1068±0.3068a	0.0096±0.0072a	2541±312a	0.9592±0.1711a

林地类型	季节	Sobs指数	Shannon指数	Simpson指数	Ace指数
幼龄林	旱季（3月）	1656±246a	6.3096±0.1307a	0.0048±0.0010a	2248±250a
	旱季-雨季（4月）	1766±179a	6.3114±0.0931a	0.0041±0.0004a	2323±152a
	雨季（7月）	1685±180a	6.2041±0.2455a	0.0063±0.0029a	2302±182a
中龄林	旱季（3月）	1773±239a	6.0521±0.4142a	0.0077±0.0046a	2473±246a
	旱季-雨季（4月）	2065±182a	6.3689±0.1657a	0.0044±0.0008a	2826±205a
	雨季（7月）	1233±58b	5.9516±0.1563ab	0.0064±0.0019a	2165±259ab
老龄林	旱季（3月）	2041±387a	6.3411±0.2087a	0.0054±0.0020a	2755±381a
	旱季-雨季（4月）	1892±219a	5.9491±0.4311a	0.0156±0.0106a	2569±235a
	雨季（7月）	1396±376a	6.0303±0.1363a	0.0077±0.0015a	2300±177a