转BtCry1Ac与API基因107杨对节肢动物群落多样性及稳定性的影响

doi:10.11707/j.1001-7488.20220412

Abstract

Abstract:

Objective: This study aims to investigate the ecological safety of transgenic poplar 107(Populus×euramericana 'Neva'), and to provide scientific basis for further popularization and application. Method: In this study, the composition, structure, diversity and stability of arthropod community in grafted transgenic 107 poplar (Btcry1Ac and API gene) and control 107 poplar were investigated for five consecutive years. Result: A total of 54 091 arthropods belonging to 13 orders were collected, of which, Lepidoptera, Coleoptera, Coleoptera, Diptera, Hymenoptera and Araneae were the main groups. Lepidoptera is dominant in individual number. Compare with the control 107 poplar, the quanity of pest sub-communities in transgenic 107 poplar was significantly lower (P < 0.05). The number of target pests Clostera anachoreta and Hyphantria cunea decreased significantly (P < 0.05). But there was no significant difference (P>0.05) in species and individual number of natural enemies and neutral arthropod community. The natural enemies of Coccinellidae, Araneae and the other neutral insects of Monamorium pharaonis and flies showed increased to a certain degree year by year. There were significant interannual differences in species and individual numbers of transgenic 107 poplar sub-community (P < 0.05). The characteristic index of arthropod community in transgenic 107 poplar forest showed that the diversity and evenness index was higher than that in the control 107 poplar forest, and the dominance index was lower. There were significant interannual differences in the community characteristic index of transgenic 107 poplar forest (P < 0.05). Stability analysis showed that the ratio of total community species to total community individual (S_s/S_i), the ratio of herbivorous insects species to herbivorous insects individuals (S_p/S_b), and the ratio of predatory natural enemies individuals to herbivorous insects individuals (S_a/S_b) in transgenic 107 poplar forest were significantly higher than those in the control 107 poplar forest (P < 0.05), indicating that the transgenic 107 poplar had more species and fewer individuals, and the restriction on interspecific number was stronger than that of the control 107 poplar. But the S_n/S_a in transgenic 107 poplar forest and S_n/S_p were not significantly different from the control 107 populus (P>0.05), indicating that the number of predatory natural enemies species and individuals in the transgenic 107 poplar forest were not significantly different from those in the control 107 poplar forest (P>0.05), and the community structure of arthropod in the transgenic 107 poplar forest was relatively stable. Conclusion: Transgenic 107 poplar has a continuous insect resistance, and has no obvious adverse effects on natural enemies and neutral arthropod sub-communities. The transgenic 107 poplar has high ecological safety.

Key words: transgenic 107 poplar, arthropod community, diversity, stability, ecological safety

CLC Number:

S763.42

Minxia Ren,Tan Li,Ziheng Zhang,Yuexia Zeng,Lifeng Wang,Minsheng Yang,Junxia Liu. Effects of Transgenic BtCry1Ac and API gene in Poplar 107 on Diversity and Stability of Arthropod Community[J]. Scientia Silvae Sinicae, 2022, 58(4): 110-118.

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所属目	2 a			3 a			4 a			5 a			6 a			总比Total
Orders	NS	NI	R(%)	NS	NI	R(%)	NS	NI	R(%)	NS	NI	R(%)	NS	NI	R(%)	R(%)
鳞翅目 Lepidoptera	11	3 318	48.7	13	5 246	48.8	13	7 584	67.3	17	6 578	55.8	18	3 639	25.4	48
半翅目 Hemiptera	9	459	6.7	10	1 516	14.1	11	1 216	10.8	16	849	7.2	21	4 188	29.3	15.0
膜翅目 Hymenoptera	6	1 080	15.8	5	1 256	11.7	6	901	8.0	9	2 005	17.0	9	2 577	18.0	14.2
蜘蛛目 Araneida	7	173	2.5	8	515	4.8	11	269	2.4	17	1 274	10.8	20	2 455	17.2	8.5
鞘翅目 Coleoptera	11	964	14.1	14	1 562	14.5	12	973	8.6	18	365	3.1	17	730	5.1	8.4
双翅目 Diptera	11	742	10.9	8	345	3.2	10	193	1.7	7	579	4.9	11	403	2.8	4.1
脉翅目 Neuroptera	1	68	1.0	1	89	0.8	1	31	0.3	1	60	0.5	1	196	1.4	0.8
直翅目 Orthoptera	2	14	0.2	3	198	1.8	4	43	0.4	3	59	0.5	5	78	0.5	0.7
其他 Other	0	0	0.0	2	14	0.1	1	51	0.5	5	13	0.1	3	33	0.2	0.2
合计 Total		6 818		10 741			11 261			11 782			14 299

亚群落 Sub-community	指标 Index	株系Strains		林龄Stand age		株系×林龄Strains×Stand age
亚群落 Sub-community	指标 Index	F	P	F	P	F	P
害虫亚群落	NS	3.547	0.016	112.502	< 0.001	1.225	0.270
Pest sub-community	NI	38.215	< 0.001	4.250	0.004	0.927	0.543
天敌亚群落	NS	0.687	0.063	99.021	< 0.001	0.936	0.533
Natural enemy sub-community	NI	0.875	0.483	44.786	< 0.001	0.364	0.987
中性节肢动物亚群落	NS	0.440	0.779	10.701	< 0.001	1.154	0.325
Neutral arthropod sub-community	NI	0.930	0.451	19.480	< 0.001	0.408	0.976

株系Strains	指数Index	2 a	3 a	4 a	5 a	6 a	均值Mean
CK	H′	2.10±0.32b	1.51±0.32b	1.55±0.22b	1.98±0.07b	2.49±0.16b	1.93±0.18b
#1		2.47±0.05ab	2.45±0.16a	2.20±0.17a	3.08±0.08a	3.06±0.08a	2.65±0.18a
#2		2.80±0.06a	2.79±0.08a	2.18±0.13a	3.06±0.10a	3.04±0.14a	2.77±0.16a
#3		2.52±0.13ab	2.49±0.08a	2.47±0.20a	2.90±0.03a	2.89±0.14a	2.65±0.10a
#9		2.53±0.32ab	2.62±0.17a	2.02±0.17a	3.13±0.07a	3.16±0.06a	2.69±0.21a
CK	J	0.60±0.10a	0.41±0.08b	0.45±0.07b	0.51±0.02b	0.60±0.04c	0.51±0.04b
#1		0.72±0.01a	0.69±0.04a	0.66±0.03a	0.80±0.01a	0.77±0.02ab	0.73±0.03a
#2		0.80±0.02a	0.77±0.02a	0.64±0.04a	0.78±0.02a	0.76±0.03ab	0.75±0.03a
#3		0.73±0.04a	0.69±0.02a	0.70±0.06a	0.76±0.01a	0.71±0.03b	0.72±0.01a
#9		0.74±0.09a	0.74±0.05a	0.58±0.04a	0.81±0.01a	0.79±0.01a	0.73±0.04a
CK	C	0.44±0.12a	0.68±0.09a	0.64±0.07a	0.56±0.03a	0.41±0.07a	0.55±0.05a
#1		0.32±0.03a	0.29±0.04b	0.34±0.06b	0.18±0.01b	0.16±0.02b	0.26±0.04b
#2		0.21±0.03a	0.24±0.03b	0.42±0.08b	0.19±0.04b	0.20±0.05b	0.25±0.04b
#3		0.31±0.05a	0.34±0.02b	0.32±0.07b	0.18±0.02b	0.27±0.06b	0.28±0.03b
#9		0.30±0.12a	0.26±0.04b	0.50±0.04b	0.14±0.01b	0.14±0.02b	0.27±0.07b

指数	株系Strains		林龄Stand age		株系×林龄Strains×stand age
Index	F	P	F	P	F	P
H′	22.493	< 0.001	22.117	< 0.001	1.209	< 0.001
J	24.308	< 0.001	7.658	< 0.001	1.106	0.365
C	25.088	< 0.001	11.613	< 0.001	1.511	0.118

株系Strains	指标Index	2 a	3 a	4 a	5 a	6 a
CK	S_s/S_i	0.07±0.02b	0.04±0.01b	0.04±0.01b	0.04±0.00c	0.05±0.01c
#1		0.11±0.01ab	0.09±0.01a	0.07±0.01a	0.11±0.01ab	0.10±0.01ab
#2		0.15±0.01a	0.12±0.02a	0.08±0.01a	0.12±0.01a	0.09±0.01ab
#3		0.09±0.00ab	0.08±0.01a	0.09±0.01a	0.08±0.00b	0.09±0.01b
#9		0.13±0.03a	0.11±0.01a	0.07±0.01a	0.12±0.01a	0.11±0.00a
CK	S_p/S_b	0.05±0.02b	0.02±0.01c	0.03±0.01a	0.03±0.00c	0.04±0.01c
#1		0.09±0.00b	0.08±0.02b	0.06±0.01a	0.10±0.01a	0.11±0.00ab
#2		0.15±0.02a	0.12±0.01a	0.06±0.02a	0.12±0.01a	0.11±0.01ab
#3		0.08±0.01b	0.07±0.01b	0.06±0.01a	0.07±0.00b	0.09±0.01b
#9		0.12±0.03a	0.10±0.01ab	0.04±0.01a	0.11±0.02a	0.13±0.01a
CK	S_n/S_a	0.15±0.02a	0.13±0.01a	0.14±0.01a	0.18±0.02a	0.11±0.01a
#1		0.14±0.03a	0.16±0.01a	0.13±0.03a	0.19±0.02a	0.10±0.01a
#2		0.14±0.02a	0.13±0.01a	0.17±0.04a	0.15±0.03a	0.09±0.02a
#3		0.11±0.02a	0.13±0.03a	0.17±0.03a	0.16±0.03a	0.11±0.02a
#9		0.13±0.02a	0.11±0.02a	0.18±0.02a	0.15±0.02a	0.10±0.01a
CK	S_n/S_p	0.64±0.05a	0.65±0.03a	0.52±0.07ab	0.77±0.04a	0.62±0.02a
#1		0.69±0.08a	0.65±0.07a	0.46±0.04b	0.76±0.02a	0.70±0.07a
#2		0.68±0.04a	0.72±0.02a	0.64±0.10ab	0.66±0.06a	0.66±0.05a
#3		0.63±0.04a	0.68±0.07a	0.75±0.11a	0.75±0.07a	0.61±0.06a
#9		0.67±0.06a	0.80±0.08a	0.73±0.06a	0.73±0.02a	0.72±0.04a
CK	S_a/S_b	0.11±0.01b	0.11±0.03c	0.10±0.03a	0.11±0.01c	0.22±0.02b
#1		0.36±0.04a	0.35±0.11bc	0.29±0.13a	0.36±0.04ab	0.75±0.10a
#2		0.54±0.10a	0.59±0.01ab	0.26±0.11a	0.54±0.10a	0.93±0.25a
#3		0.33±0.05a	0.36±0.10bc	0.30±0.11a	0.33±0.05b	0.64±0.23b
#9		0.49±0.07a	0.78±0.11a	0.14±0.02a	0.49±0.07ab	0.87±0.10a

Effects of Transgenic BtCry1Ac and API gene in Poplar 107 on Diversity and Stability of Arthropod Community

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