Research Article

Estimating the Susceptibility of Four Wheat Cultivars to the Saw-Toothed Grain Beetle Oryzaephilus surinamensis (L.) (Coleoptera: Silvanidae)

Table 3

Number of F1 progeny and the length of developmental period of Oryzaephilus surinamensis (L.) reared on four wheat cultivars upon 5 d of egg-laying by 10 female adults.

Wheat cultivarsNumber of F1 progeny (mean ± SE)Standard deviationDevelopmental period (mean ± SE)

Albelad104 ± 4.62a1.1526.67 ± 0.67c
Aldwasair7.33 ±1.76d1.1542.67 ± 0.67a
Australia8.00 ± 2.31bd1.1533.67 ± 0.67b
Najran22.67 ± 4.06b0.0437.33 ± 2.33ab

Different letters within each column indicate significantly different means ().