Table 4 Prey-mediated effects of Cry1C on life-table parameters of C. lividipennis preying eggs of N. lugens reared with Bt rice (T1C-19) or non-Bt (Minghui 63) rice plants.

From: The tiered-evaluation of the effects of transgenic cry1c rice on Cyrtorhinus lividipennis, a main predator of Nilaparvata lugens

Parameters

Rice line

T1C-19

Minghui 63

1st instar developmental time (days ± SE)a)

2.5 ± 0.06 (46)

2.5 ± 0.05 (46)

2nd instar developmental time (days ± SE)a)

1.7 ± 0.05 (43)

1.6 ± 0.04 (46)

3rd instar developmental time (days ± SE)a)

1.8 ± 0.06 (43)

1.9 ± 0.05 (43)

4th instar developmental time (days ± SE)a)

1.6 ± 0.07 (42)

1.6 ± 0.06 (42)

5th instar developmental time (days ± SE)a)

2.8 ± 0.08 (42)

2.7 ± 0.06 (41)

Whole larval stage developmental time (days ± SE)a)

10.4 ± 0.14 (42)

10.2 ± 0.10 (41)

Preimaginal survival (%)b)

91.3

89.1

Female ratio (%)b)

31

48.8

Male weight (mg ± SE)c)

0.53 ± 0.02

0.53 ± 0.03

Female weight (mg ± SE)c)

1.00 ± 0.04

0.99 ± 0.03

  1. Note: (1) The experiment started with 46 nymphs per treatment. (n), number of individuals at each development stage. (2) Within a row, statistical comparisons were made for Bt rice with non-Bt rice. a)Mann–Whitney U-test. b)Chi-square test. c)Student’s t-test.