Changes in Bemisia tabaci feeding behaviors caused directly and indirectly by cucurbit chlorotic yellows virus

Lu, Shaohua; Chen, Mingshun; Li, Jingjing; Shi, Yan; Gu, Qinsheng; Yan, Fengming

doi:10.1186/s12985-019-1215-8

Virology Journal

Table 3 Interaction analysis of EPG variables among biotypes, sexes and virus status on Bemisia tabaci by multivariate statistics

From: Changes in Bemisia tabaci feeding behaviors caused directly and indirectly by cucurbit chlorotic yellows virus

Variables	P value¹
Variables	Biotype	Sex	Insect status	Plant status	Biotype * Sex	Biotype * Insect status	Biotype * Plant status	Sex * Insect status	Sex * Plant status	Biotype * Sex * Insect status	Biotype * Sex * Plant status
Non-phloem variables
1. Duration of 1st probe (min)	0.243	0.106	0.892	< 0.001	0.002	0.363	0.349	0.490	0.349	0.774	0.799
2. Total number of C (#)	0.538	0.007	0.001	0.002	0.252	0.087	0.381	0.240	0.714	0.491	0.478
3. Total duration of C (min)	0.029	0.115	0.399	0.063	0.993	0.307	0.853	0.650	0.520	0.430	0.193
4. Total number of pd. (#)	0.696	0.911	< 0.001	0.007	0.685	0.052	0.783	0.649	0.926	0.761	0.357
5. Time to 1st E from 1st probe (min)	0.018	0.174	0.281	0.044	0.030	0.484	0.869	0.194	0.312	0.551	0.442
6. Total number of probes before 1st E (#)	0.316	0.407	0.003	0.557	< 0.001	0.161	0.105	0.264	0.934	0.299	0.397
Phloem variables
7. Total duration of 1st E1 (min)	0.616	0.491	0.002	< 0.001	0.951	0.121	0.120	0.417	0.286	0.685	0.959
8. Total number of E1 (#)	0.311	0.474	0.594	0.584	0.710	0.010	0.027	0.865	0.079	0.586	0.075
9. Total duration of E1 (min)	0.723	0.965	< 0.001	< 0.001	0.249	0.604	0.365	0.738	0.822	0.108	0.027
10.Total number of E2 (#)	0.043	0.943	0.098	0.916	0.849	< 0.001	0.018	0.122	0.001	0.820	0.011
11. Total duration of E2 (min)	< 0.001	0.799	0.469	0.098	0.845	0.929	0.973	0.043	0.065	0.087	0.280
12. Total number of E1 after 1st E2 (#)	0.010	0.525	0.512	0.690	0.490	< 0.001	0.001	0.678	0.026	0.169	0.030
13. Total duration of E1 after 1st E2 (min)	0.138	0.468	0.079	< 0.001	0.356	0.990	0.566	0.007	0.046	0.126	0.015
14. Percentage of E (%)²	0.173	0.039	0.089	< 0.001	0.024	0.150	0.951	< 0.001	0.047	0.002	0.730

¹p values calculated using multivariate analysis with main effects of biotype (B and Q), sex (male and female), insect status (non-viruliferous and viruliferous), plant status (non-viruliferous and viruliferous) and their interaction. Bolded P values are significant at P<0.05. ²Percentage of E (%) = equals the percentage of total duration of E (E1 + E2). EPG waveforms are as: C = pathway; pd. = potential drop (intracellular puncture); E1 = phloem salivary secretion; E2 = phloem sap ingestion. E = E1 + E2

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ISSN: 1743-422X

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