Evaluation of the Resistance of Different Tea Cultivars to TeaAphids by EPG Technique

doi:10.1016/S1671-2927(00)8740

Journal of Integrative Agriculture ›› 2012, Vol. 12 ›› Issue (12): 2028-2034.DOI: 10.1016/S1671-2927(00)8740

Evaluation of the Resistance of Different Tea Cultivars to TeaAphids by EPG Technique

LIANG Li-yun, LIU Li-fang, YU Xiao-ping , HAN Bao-yu

1.College of Tea & Food Science and Technology, Anhui Agricultural University, Hefei 230036, P.R.China
2.Zhejiang Provinvial Key Laboratory of Bio-Metrology and Inspection & Quarantine, China Jiliang University, Hangzhou 310018, P.R.
China

收稿日期:2012-05-18 出版日期:2012-12-01 发布日期:2012-12-18
通讯作者: Correspondence HAN Bao-yu, Tel: +86-571-86835706, Fax: +86-571-86914449, E-mail:han-insect@263.net
作者简介:LIANG Li-yun, Mobile: 15838191032, E-mail: molixiang23@126.com
基金资助:
This study were financially supported by the National Natural Science Foundation of China (31071744), the Natural Science Foundation of Zhejiang Province, China (Y3100375). Thank China Jiliang University for providing test equipments.

Evaluation of the Resistance of Different Tea Cultivars to TeaAphids by EPG Technique

LIANG Li-yun, LIU Li-fang, YU Xiao-ping , HAN Bao-yu

1.College of Tea & Food Science and Technology, Anhui Agricultural University, Hefei 230036, P.R.China
2.Zhejiang Provinvial Key Laboratory of Bio-Metrology and Inspection & Quarantine, China Jiliang University, Hangzhou 310018, P.R.
China

Received:2012-05-18 Online:2012-12-01 Published:2012-12-18
Contact: Correspondence HAN Bao-yu, Tel: +86-571-86835706, Fax: +86-571-86914449, E-mail:han-insect@263.net
About author:LIANG Li-yun, Mobile: 15838191032, E-mail: molixiang23@126.com
Supported by:
This study were financially supported by the National Natural Science Foundation of China (31071744), the Natural Science Foundation of Zhejiang Province, China (Y3100375). Thank China Jiliang University for providing test equipments.

摘要/Abstract

摘要： In order to investigate the resistance of tea plant to tea aphid, the feeding behavior of tea aphids on six different tea cultivars was monitored by (EPG) technique. The result showed that the duration of E1, E2 as well as (E1+E2) which was feeding waveforms of Toxoptera aurantii (Boyer) in tea phloem was significantly different by variance analysis (P<0.05) and so did the duration of the probing of T. aurantii in all the tea tissues. And the six tea cultivars were classified into three groups with cluster analysis, based on the six major parameters which were durations of np, C, E1, E2, F, and G waveforms, then the six major parameters of these three groups were detected by variance analysis, and the rank of six different tea cultivars’ resistance to T. aurantii from strong to weak was Zhongcha 108, Sucha 1, Anjibaicha, Longjing 43, Xicha 5, and Sucha 120. As this result was in accord with the investigation into the tea field, we concluded that EPG technique was one of the most important means to examine tea plant resistance to T. aurantii and the durations of waveform E1, E2 and (E1+E2) were important parameters for evaluating resistance of tea plants to tea aphids.

关键词: Toxoptera aurantii, EPG parameters, cluster analysis, tea plant resistance

Abstract: In order to investigate the resistance of tea plant to tea aphid, the feeding behavior of tea aphids on six different tea cultivars was monitored by (EPG) technique. The result showed that the duration of E1, E2 as well as (E1+E2) which was feeding waveforms of Toxoptera aurantii (Boyer) in tea phloem was significantly different by variance analysis (P<0.05) and so did the duration of the probing of T. aurantii in all the tea tissues. And the six tea cultivars were classified into three groups with cluster analysis, based on the six major parameters which were durations of np, C, E1, E2, F, and G waveforms, then the six major parameters of these three groups were detected by variance analysis, and the rank of six different tea cultivars’ resistance to T. aurantii from strong to weak was Zhongcha 108, Sucha 1, Anjibaicha, Longjing 43, Xicha 5, and Sucha 120. As this result was in accord with the investigation into the tea field, we concluded that EPG technique was one of the most important means to examine tea plant resistance to T. aurantii and the durations of waveform E1, E2 and (E1+E2) were important parameters for evaluating resistance of tea plants to tea aphids.

Key words: Toxoptera aurantii, EPG parameters, cluster analysis, tea plant resistance

LIANG Li-yun, LIU Li-fang, YU Xiao-ping , HAN Bao-yu. Evaluation of the Resistance of Different Tea Cultivars to TeaAphids by EPG Technique[J]. Journal of Integrative Agriculture, 2012, 12(12): 2028-2034.

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Evaluation of the Resistance of Different Tea Cultivars to TeaAphids by EPG Technique

Evaluation of the Resistance of Different Tea Cultivars to TeaAphids by EPG Technique

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