Growth vigour and yield of transgenic RRM2 (RNA recognition motif 2) cotton and their effects on arthropod community in cotton field

doi:10.3724/SP.J.1258.2014.00074

Abstract

Abstract:

Aims This experiment was carried out to assess the breeding value of the transgenic RRM2 (RNA recognition motif 2) cotton and to evaluate its environmental safety on cotton field.
Methods The indices of structure and composition, community characteristics, biodiversity, species richness and the seasonal changes of the arthropod community in transgenic RRM2 cotton field and the parental conventional cotton field were studied systematically in 2012 and 2013, respectively. We also analyzed the climate data from June to September of the two years, and compared the cotton growth vigour and the yield parameters between the transgenic cotton and the non-transgenic cotton.
Important findings The results showed that there were no significant differences in the indices of structure and composition, biodiversity, evenness, dominant concentration and the seasonal changes of insect communities and sub-communities between the transgenic cotton field and the non-transgenic cotton field within the same years. Comparing with in 2012, all the indices of arthropod communities and cotton growth vigour and cotton yield parameters in 2013 showed an overall downward trend in both the transgenic and the non-transgenic cotton fields. The dynamics of functional groups of dominant natural enemies lagged behind that of the dominant pests both in the transgenic cotton field and the non-transgenic cotton field, indicating a need to control the pests at the early stage of cotton growth.

Key words: arthropod community, biodiversity, species richness, structure and composition, transgenic RRM2 cotton

LUO Jun-Yu, LIU Chuan-Liang, ZHANG Shuai, WANG Chun-Yi, LÜ Li-Min, LI Chun-Hua, LI Fu-Guang, CUI Jin-Jie. Growth vigour and yield of transgenic RRM2 (RNA recognition motif 2) cotton and their effects on arthropod community in cotton field[J]. Chin J Plant Ecol, 2014, 38(7): 785-794.

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URL: https://www.plant-ecology.com/EN/10.3724/SP.J.1258.2014.00074

https://www.plant-ecology.com/EN/Y2014/V38/I7/785

Figures/Tables 8

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年份 Year	月份 Month	气温 Air temperature (°C)			相对湿度 Relative humidity (%)	降水量 Precipitation (mm)
年份 Year	月份 Month	平均气温 Average air temperature	最高气温 Maximum air temperature	最低气温 Minimum air temperature	相对湿度 Relative humidity (%)	降水量 Precipitation (mm)
2012	6月 June	26.8	33.4	20.7	54.0	45.2
	7月 July	27.9	32.8	23.9	72.0	185.3
	8月 August	25.0	29.6	21.3	77.0	147.9
	9月 September	20.9	26.5	16.4	70.0	30.4
	总计 Total	25.2	30.6	20.6	68.3	408.8
2013	6月 June	25.8	32.0	20.2	67.2	76.5
	7月 July	27.3	32.5	23.1	86.9	226.0
	8月 August	28.0	34.0	22.8	86.4	36.6
	9月 September	21.5	28.0	16.2	85.7	16.0
	总计 Total	25.6	31.6	20.6	81.6	355.1

年份 Year	月份 Month	气温 Air temperature (°C)			相对湿度 Relative humidity (%)	降水量 Precipitation (mm)
年份 Year	月份 Month	平均气温 Average air temperature	最高气温 Maximum air temperature	最低气温 Minimum air temperature	相对湿度 Relative humidity (%)	降水量 Precipitation (mm)
2012	6月 June	26.8	33.4	20.7	54.0	45.2
	7月 July	27.9	32.8	23.9	72.0	185.3
	8月 August	25.0	29.6	21.3	77.0	147.9
	9月 September	20.9	26.5	16.4	70.0	30.4
	总计 Total	25.2	30.6	20.6	68.3	408.8
2013	6月 June	25.8	32.0	20.2	67.2	76.5
	7月 July	27.3	32.5	23.1	86.9	226.0
	8月 August	28.0	34.0	22.8	86.4	36.6
	9月 September	21.5	28.0	16.2	85.7	16.0
	总计 Total	25.6	31.6	20.6	81.6	355.1

参数 Parameter	棉田类型 Cotton field type	7月17日 July 17		7月27日 July 27
参数 Parameter	棉田类型 Cotton field type	2012年	2013年	2012年	2013年
株高 Plant height	‘HN9311’	76.77 ± 2.57^a	72.10 ± 2.50^a	81.30 ± 4.21^a	77.97 ± 6.86^a
株高 Plant height	‘中棉所12’ ‘CCRI12’	74.30 ± 4.54^a	70.97 ± 1.40^a	80.26 ± 3.89^a	77.59 ± 5.85^a
果枝数 Lint number	‘HN9311’	18.53 ± 0.25^a	17.87 ± 0.40^a	16.23 ± 0.38^a	15.90 ± 0.46^a
果枝数 Lint number	‘中棉所12’ ‘CCRI12’	16.30 ± 0.26^a	15.97 ± 0.78^a	15.53 ± 0.91^a	14.87 ± 0.35^a
果节数 Fruit section number	‘HN9311’	7.97 ± 0.32^a	7.83 ± 0.40^a	6.60 ± 0.44^a	6.33 ± 0.40^a
果节数 Fruit section number	‘中棉所12’ ‘CCRI12’	6.63 ± 0.06^a	5.97 ± 0.55^a	6.17 ± 0.49^a	5.50 ± 0.10^a

参数 Parameter	棉田类型 Cotton field type	7月17日 July 17		7月27日 July 27
参数 Parameter	棉田类型 Cotton field type	2012年	2013年	2012年	2013年
株高 Plant height	‘HN9311’	76.77 ± 2.57^a	72.10 ± 2.50^a	81.30 ± 4.21^a	77.97 ± 6.86^a
株高 Plant height	‘中棉所12’ ‘CCRI12’	74.30 ± 4.54^a	70.97 ± 1.40^a	80.26 ± 3.89^a	77.59 ± 5.85^a
果枝数 Lint number	‘HN9311’	18.53 ± 0.25^a	17.87 ± 0.40^a	16.23 ± 0.38^a	15.90 ± 0.46^a
果枝数 Lint number	‘中棉所12’ ‘CCRI12’	16.30 ± 0.26^a	15.97 ± 0.78^a	15.53 ± 0.91^a	14.87 ± 0.35^a
果节数 Fruit section number	‘HN9311’	7.97 ± 0.32^a	7.83 ± 0.40^a	6.60 ± 0.44^a	6.33 ± 0.40^a
果节数 Fruit section number	‘中棉所12’ ‘CCRI12’	6.63 ± 0.06^a	5.97 ± 0.55^a	6.17 ± 0.49^a	5.50 ± 0.10^a

参数 Parameter	棉田类型 Cotton field type	7月17日 July 17		8月16日 Aug. 16		9月16日 Sept. 16
参数 Parameter	棉田类型 Cotton field type	2012年	2013年	2012年	2013年	2012年	2013年
蕾数 Bud number	‘HN9311’	11.36 ± 1.33^a	12.53 ± 3.05^a	14.61 ± 2.33^a	13.61 ± 2.33^a	2.44 ± 0.81^a	1.60 ± 0.57^a
蕾数 Bud number	‘中棉所12’ ‘CCRI12’	9.69 ± 1.70^a	9.20 ± 1.08^a	13.70 ± 1.91^a	12.63 ± 1.91^a	2.44 ± 0.81^a	1.60 ± 0.57^a
花数 Flower number	‘HN9311’	1.44 ± 0.51^a	1.00 ± 0.00^a	1.00 ± 0.00^a	1.00 ± 0.00^a	1.75 ± 0.25^a	1.12 ± 0.11^a
花数 Flower number	‘中棉所12’ ‘CCRI12’	1.33 ± 0.58^a	1.00 ± 0.00^a	-	-	1.75 ± 0.25^a	1.22 ± 0.07^a
幼铃数 Number of young bolls	‘HN9311’	2.33 ± 0.58^a	1.67 ± 0.58^a	-	-	-	-
幼铃数 Number of young bolls	‘中棉所12’ ‘CCRI12’	1.67 ± 0.58^a	1.00 ± 0.00^a	-	-	-	-
成铃数 Number of mature bolls	‘HN9311’	-	-	4.49 ± 0.64^a	4.01 ± 0.64^a	12.27 ± 2.25^a	10.87 ± 1.06^a
成铃数 Number of mature bolls	‘中棉所12’ ‘CCRI12’	-	-	2.49 ± 0.48^b	2.49 ± 0.51^b	10.27 ± 1.94^a	9.87 ± 1.32^a
脱落数 Number of falling bolls	‘HN9311’	7.04 ± 2.24^a	8.04 ± 3.44^a	12.42 ± 1.10^a	13.76 ± 1.40^a	27.27 ± 3.98^a	28.83 ± 2.35^a
脱落数 Number of falling bolls	‘中棉所12’ ‘CCRI12’	10.30 ± 3.56^a	9.63 ± 0.99^a	15.27 ± 2.48^a	16.88 ± 1.84^a	28.37 ± 1.37^a	29.70 ± 2.85^a
吐絮数 Number of open bolls	‘HN9311’	-	-	-	-	2.67 ± 0.58^a	2.33 ± 1.15^a
吐絮数 Number of open bolls	‘中棉所12’ ‘CCRI12’	-	-	-	-	1.54 ± 0.00^a	2.00 ± 1.00^a