Skip to main content

Table 1 Results of three-way analysis of variance (ANOVA) for survival and development of Nilaparvata lugens regarding N, P, and K fertilization

From: Ecological fitness of brown planthopper, Nilaparvata lugens (Stål), to rice nutrient management

SOV

df

Calculated F value

Nymph survival

Nymphal period

Fresh wt. of adult

Adult survival at 5th day

Adult survival at 7th day

N

2

437.38b

106.56b

501.56b

430.01b

632.72b

P

2

2.04ns

2.56ns

49.83b

2.62ns

2.45ns

NP

4

0.82ns

0.27ns

2.60a

2.55ns

2.66ns

K

2

1.21ns

0.53ns

0.21ns

1.14ns

2.09ns

NK

4

0.06ns

0.12ns

0.05ns

0.17ns

0.88ns

PK

4

0.05ns

0.12ns

0.80ns

0.26ns

0.28ns

NPK

8

0.14ns

0.41ns

0.23ns

0.42ns

0.47ns

Error

81

 

CV%

6.21%

6.91%

4.88%

9.11%

5.78%

  1. ns non significant
  2. aSignificant at 5% level of probability
  3. bSignificant at 1% level of probability