22182623
not annotated - annotated - LINNAEUS only
Interspecific Interactions Between Bemisia tabaci Biotype B and Trialeurodes vaporariorum (Hemiptera: Aleyrodidae).
Bemisia tabaci (Gennadius) biotype B and Trialeurodes vaporariorum (Westwood) are invasive whitefly species that often co-occur on greenhouse-grown vegetables in northern China. Although B. tabaci biotype B has been present in China for a relatively short period of time, it has become dominant over T. vaporariorum. We studied the interspecific competitive interactions between the two species in single or mixed cultures at 24 +/- 1^0C, 40 +/- 5% RH, and L14:D10 h photoperiod. Female longevity on tomato was not significantly different between species, but B. tabaci reproduced 4.3 to 4.9 fold more progeny. The ratio of female to male progeny in both instances was greater for B. tabaci. When cultured on tomato, cotton, and tobacco, B. tabaci developed 0.8, 3.3, and 4.7 d earlier in single culture, and 1.8, 3.9, and 4.3 d earlier in mixed culture. B. tabaci displaced T. vaporariorum in four, five and six generations when the initial ratios of B. tabaci to T. vaporariorum were 15:15, 20:10, or 10:20 on tomato. Populations of B. tabaci were 2.3 fold higher than that of T. vaporariorum on tomato plants for seven consecutive generations in single culture. B. tabaci performed better in development, survival, fecundity, and female ratio. We conclude that B. tabaci could displace T. vaporariorum in as short as four generations in a controlled greenhouse environment when they start at equal proportions. Warmer greenhouse conditions and an increase in total greenhouse area could be contributing factors in the recent dominance of B. tabaci.
Ann file
T1 Species 35 49 Bemisia tabaci
N1 Reference T1 Taxonomy:7038
T2 Species 64 89 Trialeurodes vaporariorum
N2 Reference T2 Taxonomy:88556
T3 Species 118 132 Bemisia tabaci
N3 Reference T3 Taxonomy:7038
T4 Species 159 184 Trialeurodes vaporariorum
N4 Reference T4 Taxonomy:88556
T5 Species 305 314 B. tabaci
N5 Reference T5 Taxonomy:7038
T6 Species 418 433 T. vaporariorum
N6 Reference T6 Taxonomy:88556
T7 Species 618 624 tomato
N7 Reference T7 Taxonomy:4081
T8 Species 678 687 B. tabaci
N8 Reference T8 Taxonomy:7038
T9 Species 827 833 tomato
N9 Reference T9 Taxonomy:4081
T10 Species 835 841 cotton
N10 Reference T10 Taxonomy:3635
T11 Species 847 854 tobacco
N11 Reference T11 Taxonomy:4097
T12 Species 856 865 B. tabaci
N12 Reference T12 Taxonomy:7038
T13 Species 993 1008 T. vaporariorum
N13 Reference T13 Taxonomy:88556
T14 Species 1070 1079 B. tabaci
N14 Reference T14 Taxonomy:7038
T15 Species 1083 1098 T. vaporariorum
N15 Reference T15 Taxonomy:88556
T16 Species 1153 1162 B. tabaci
N16 Reference T16 Taxonomy:7038
T17 Species 1197 1212 T. vaporariorum
N17 Reference T17 Taxonomy:88556
T18 Species 1216 1222 tomato
N18 Reference T18 Taxonomy:4081
T19 Species 1283 1292 B. tabaci
N19 Reference T19 Taxonomy:7038
T20 Species 1382 1391 B. tabaci
N20 Reference T20 Taxonomy:7038
T21 Species 1407 1422 T. vaporariorum
N21 Reference T21 Taxonomy:88556
T22 Species 1659 1668 B. tabaci
N22 Reference T22 Taxonomy:7038
T23 Species 799 808 B. tabaci
T24 Species 973 982 B. tabaci
T25 Species 1130 1136 tomato
N23 Reference T25 Taxonomy:4081