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Table 3 Population dynamics of whitefly, Bemisia tabaci (Gennadius) on capsicum plant treated with indigenous and commercial bioformulations under protected cultivation (2017, 2018)

From: Management of the aphid, Myzus persicae (Sulzer) and the whitefly, Bemisia tabaci (Gennadius), using biorational on capsicum under protected cultivation in India

TreatmentsDose (g or ml/l)No. of whitefly adults/plant*(mean ± SE)Fruit yield (t/ha)
Before sprayI sprayII sprayIII spray
3DAS7DAS10DAS3DAS7DAS10DAS3DAS7DAS10DAS
Beauveria bassiana
Bb-B1
822.8 ± 2.9a20.5 ± 1.4abc19.3 ± 1.8ab18.7 ± 2.0ab17.0 ± 1.7bc16.0 ± 1.7c15.7 ± 2.0d14.0 ± 2.3d13.0 ± 2.1d12.3 ± 2.0d40.6 ± 1.3ab
1022.7 ± 0.9a20.3 ± 1.8ab19.0 ± 1.7ab18.0 ± 1.7ab16.1 ± 1.0abc15.0 ± 1.1bc15.0 ± 0.6cd13.3 ± 0.3cd12.3 ± 0.3cd11.7 ± 0.7d41.0 ± 1.0ab
1222.4 ± 0.9a20.0 ± 0.6ab18.0 ± 0.6ab17.0 ± 0.6ab15.1 ± 1.2abc14.3 ± 1.4abc14.0 ± 1.7bcd12.7 ± 1.2bcd11.7 ± 1.2cd11.0 ± 1.0d41.4 ± 1.4ab
Lecanicillium lecanii
MTCC 956
824.7 ± 3.3a20.3 ± 2.6ab18.7 ± 2.3ab17.8 ± 2.3ab16.3 ± 2.0bc14.3 ± 1.2abc13.0 ± 0.6abcd11.3 ± 0.3bcd10.3 ± 0.3bcd9.7 ± 1.2bcd41.9 ± 1.2ab
1023.3 ± 0.9a19.0 ± 0.6ab17.3 ± 0.3ab16.3 ± 0.3ab14.0 ± 0.6abc12.3 ± 0.3abc11.3 ± 0.7abc10.0 ± 0.6abc8.7 ± 0.7abc8.5 ± 0.9abcd42.2 ± 1.7ab
1223.7 ± 1.2a18.3 ± 0.9ab17.0 ± 0.6ab16.0 ± 0.6ab13.3 ± 1.2abc12.0 ± 1.1abc11.1 ± 1.1abc9.7 ± 0.9abc8.7 ± 0.9abc8.3 ± 0.9abcd42.4 ± 2.3ab
Beauveria bassiana
Commercial formulation
823.3 ± 1.8a20.7 ± 0.7abc19.3 ± 0.3ab19.0 ± 0.6b16.3 ± 0.9bc15.0 ± 1.0bc14.3 ± 0.9bcd12.7 ± 0.9bcd11.7 ± 1.2cd11.0 ± 1.1d40.9 ± 1.0ab
1023.3 ± 0.9a20.5 ± 0.4abc19.1 ± 0.5ab18.7 ± 0.3ab16.1 ± 0.7abc14.7 ± 1.2bc14.0 ± 1.5bcd12.3 ± 1.2bcd11.3 ± 0.3bcd10.7 ± 1.2cd40.7 ± 1.0ab
1223.4 ± 1.4a20.5 ± 0.3abc18.9 ± 0.5ab18.3 ± 0.7ab15.7 ± 0.3abc14.0 ± 0.6abc13.3 ± 1.2abcd11.7 ± 1.2bcd11.0 ± 1.5bcd10.3 ± 1.4bcd41.2 ± 0.9ab
Metarhizium anisopliae
Commercial formulation
824.7 ± 5.2a22.0 ± 3.6bc20.7 ± 2.9b20.0 ± 2.9b17.3 ± 1.8c16.0 ± 1.5c14.9 ± 1.5cd13.3 ± 1.8cd13.0 ± 2.1d12.3 ± 1.8d40.5 ± 1.0ab
1021.4 ± 0.9a19.0 ± 0.6ab17.7 ± 0.3ab17.0 ± 0.6ab14.7 ± 1.2abc13.7 ± 0.7ab12.7 ± 0.7abcd11.3 ± 0.3bcd11.0 ± 1.5bcd10.3 ± 1.8bcd40.6 ± 1.6ab
1222.7 ± 1.2a20.0 ± 0.6ab18.7 ± 0.7ab17.9 ± 0.6ab15.3 ± 0.9abc14.0 ± 0.6abc13.3 ± 0.7abcd11.7 ± 0.9bcd11.3 ± 0.9bcd10.7 ± 1.2cd41.2 ± 1.5ab\
Lecanicillium lecanii
Commercial formulation
824.7 ± 3.2a21.0 ± 2.6abc19.0 ± 2.6ab18.2 ± 2.6ab16.7 ± 2.3bc14.7 ± 1.4bc13.3 ± 0.9abcd11.7 ± 0.7bcd10.7 ± 0.3bcd10.0 ± 1.5bcd41.5 ± 1.0ab
1023.3 ± 0.9a19.7 ± 0.7ab17.7 ± 0.7ab16.7 ± 0.3ab14.3 ± 0.7abc12.7 ± 0.3abc11.7 ± 0.3abc10.3 ± 0.3abcd9.7 ± 0.9bcd9.2 ± 1.5bcd42.1 ± 0.7ab
1223.7 ± 1.2a19.3 ± 0.7ab17.3 ± 0.7ab16.3 ± 0.7ab14.0 ± 0.6abc12.7 ± 0.7abc11.4 ± 0.8abc10.0 ± 1.0abc9.3 ± 0.3abcd8.7 ± 1.2bcd41.8 ± 1.2ab
Azadirachtin 1% (10,000 ppm)423.1 ± 1.7a17.7 ± 0.9ab16.3 ± 0.9ab15.3 ± 0.9ab12.7 ± 0.3ab11.7 ± 0.3ab11.0 ± 0.6abc9.0 ± 0.6ab7.7 ± 0.3ab6.7 ± 0.3abc44.0 ± 1.7ab
524.2 ± 0.4a17.7 ± 1.3ab16.0 ± 1.0a15.3 ± 1.2ab13.0 ± 0.6abc11.7 ± 0.3ab10.7 ± 0.3ab9.0 ± 0.6ab7.7 ± 0.3ab6.4 ± 0.6ab44.4 ± 4.4ab
Chemical check (malathion 50 EC)423.3 ± 1.85a16.7 ± 1.7a15.0 ± 1.0a14.2 ± 0.9a11.7 ± 1.2a10.3 ± 0.9a9.7 ± 0.9a7.1 ± 0.5a6.0 ± 0.6a4.7 ± 0.3a46.3 ± 3.0a
Control 24.0 ± 2.1a25.3 ± 1.3c25.0 ± 1.1c25.3 ± 1.4c24.3 ± 2.8d23.9 ± 2.9d24.0 ± 2.5e24.7 ± 2.1e23.0 ± 1.5e22.0 ± 0.6e40.0 ± 1.0b
F(18) values 0.161.52.53.03.95.56.810.310.28.10.8
P 1.00> 0.01< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.0010.7
  1. *Values represent means of 3 replicates
  2. DAS days after spray
  3. Means within each column bearing different letters are significantly different according to the Duncan test (P = 0.05)