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Table 3 Four-hour EPG analysis of aphid feeding from WT Arabidopsis and the atpp2-a 1/E/142 mutant

From: Harpin-induced expression and transgenic overexpression of the phloem protein gene AtPP2-A1 in Arabidopsis repress phloem feeding of the green peach aphid Myzus persicae

Activity examined

WT group

atpp2-a1/E/142 group

 

EVP treatment mean (SD)

HrpNEatreatment mean (SD)

Student's t-test (n = 20)

EVP treatment mean (SD)

HrpNEatreatment (SD)

Student's t-test (n = 20)

Total duration of nonpuncturing, min

21.1 (4.8)

18.9 (3.5)

p > 0.05

31.4 (8.3)

28.5 (6.4)

*

Duration of pathway phase, min

175.0 (50.5)

201.5 (58.6)

p < 0.05*

160.0 (42.0)

162.5 (45.5)

*

Total duration of phloem phase, min

43.9 (6.3)

19.6 (3.9)

p < 0.005*

48.6 (9.2)

49.0 (11.5)

*

  1. *Insignificant difference at p < 0.05.