Yam varieties

Duration of stage (days) ±s.e

Incubation Period

Instar I

Instar II

Instar III

Total developmental period

D. rotundata var. Pona

10.8 ± 0.2

7.9 ± 0.2

6.9 ± 0.1

9.6 ± 0.2

24.4 ± 0.2

D. rotundata var. Labreko

11.0 ± 0.2

9. 6 ± 0.2

7.3 ± 0.1

9.9 ± 0.1

26.7± 0.2

D. rotundata var. Muchumudu

11.1 ± 0.3

11.1 ± 0.2

9.6± 0.2

11.2 ± 0.2

31.9 ± 0.5

D. alata var. Matches

11.2 ± 0.2

11.2 ± 0.2

9.8 ± 0.1

11.6 ± 0.2

32.7 ± 0.3

D. rotundata var. Dente

11.4 ± 0.2

12.8 ± 0.3

11.2 ± 0.1

12.9 ± 0.1

37.0 ± 0.5

lsd (5%)

0.69

0.7

0.3

0.5

1.1

CV (%)

4.7

4.8

3.2

3.1

2.6

P-value

0.44

0.027

0.033

0.015

0.012