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Table 4 Percentage reduction of whitefly, Bemisia tabaci, 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)Percent reduction over control*(mean ± SE)
I SprayII SprayIII Spray
3DAS7DAS10DAS3DAS7DAS10DAS3DAS7DAS10DAS
Beauveria bassiana
Bb-B1
814.5 ± 6.0a18.5 ± 8.2c22.3 ± 8.3b26.3 ± 3.1c29.4 ± 3.0d31.2 ± 5.4e40.2 ± 7.9e40.4 ± 9.5e40.9 ± 12.0d
1015.0 ± 9.0a19.5 ± 8.0bc24.8 ± 8.7ab30.0 ± 10.7bc33.5 ± 10.0cd33.8 ± 7.9de42.7 ± 6.4de43.2 ± 4.9de43.8 ± 6.4d
1215.6 ± 5.4a23.0 ± 7.3abc28.2 ± 6.3ab33.6 ± 9.4abc35.8 ± 8.8bcd37.6 ± 11.1cde45.1 ± 8.1cde45.8 ± 8.5de46.5 ± 9.7d
Lecanicillium lecanii
MTCC 956
821.9 ± 5.2a27.3 ± 3.8abc31.3 ± 4.4ab34.7 ± 5.4abc41.6 ± 1.2abcd47.3 ± 0.5abcde55.3 ± 1.2abcde56.3 ± 4.0abcde57.2 ± 0.9abcd
1023.0 ± 4.0a29.0 ± 2.0abc33.7 ± 2.6ab40.8 ± 3.8abc46.8 ± 1.8abc51.4 ± 0.6abc58.3 ± 1.5abcd61.2 ± 3.2abcd60.0 ± 4.8abcd
1226.6 ± 7.4a31.0 ± 6.4abc35.9 ± 5.4ab44.4 ± 2.7abc49.0 ± 3.6ab53.1 ± 2.5abc60.3 ± 3.0abcd61.8 ± 3.8abcd61.6 ± 4.7abcd
Beauveria bassiana
Commercial formulation
816.1 ± 2.1a20.4 ± 4.8abc22.8 ± 5.8b30.9 ± 2.5bc35.4 ± 2.6bcd38.6 ± 3.3bcde47.2 ± 4.0bcde47.9 ± 3.9cde48.6 ± 5.4cd
1016.5 ± 5.0a21.3 ± 3.4abc24.2 ± 2.4ab31.8 ± 2.6abc36.8 ± 3.6bcd39.6 ± 7.1bcde48.6 ± 6.3bcde49.3 ± 2.7bcde50.2 ± 5.1bcd
1216.9 ± 8.6a22.7 ± 7.2abc25.9 ± 6.0ab34.1 ± 11.5abc40.0 ± 9.3bcd43.1 ± 11.8abcde51.6 ± 12.7bcde51.1 ± 12.8bcde52.0 ± 11.8bcd
Metarhizium anisopliae
Commercial formulation
815.5 ± 3.5a19.6 ± 6.5c23.2 ± 6.6b30.7 ± 2.7bc34.8 ± 3.6cd40.0 ± 3.5bcde47.4 ± 0.7bcde45.0 ± 1.9de45.4 ± 3.0d
1016.0 ± 2.1a21.0 ± 0.5abc24.9 ± 3.5ab32.5 ± 2.6abc36.0 ± 4.0bcd40.9 ± 3.8abcde48.6 ± 6.0bcde46.5 ± 10.3de47.4 ± 11.0cd
1216.4 ± 3.3a21.0 ± 4.2abc25.2 ± 4.4ab33.3 ± 6.9abc37.9 ± 4.5bcd41.2 ± 5.1abcde50.0 ± 5.8bcde47.8 ± 4.7cde48.7 ± 4.6cd
Lecanicillium lecanii
Commercial formulation
819.3 ± 4.4a26.0 ± 4.2abc30.0 ± 4.9ab33.4 ± 6.7abc40.2 ± 2.4abcd45.9 ± 1.4abcde54.0 ± 1.1abcde54.8 ± 2.8bcde55.8 ± 2.0abcd
1020.1 ± 3.8a27.3 ± 2.6abc32.3 ± 2.7ab39.4 ± 5.3abc45.5 ± 3.4abcd50.0 ± 1.1abcd57.0 ± 1.8abcde56.7 ± 4.5abcde57.0 ± 7.0abcd
1222.6 ± 6.2a29.7 ± 6.2abc34.6 ± 5.4ab41.6 ± 0.7abc46.2 ± 2.4abc51.6 ± 1.5abc59.0 ± 4.1abcd58.9 ± 0.9abcde60.1 ± 5.7abcd
Azadirachtin 1% (10,000 ppm)427.6 ± 2.4a32.2 ± 1.2abc37.1 ± 1.8ab46.0 ± 2.7abc49.3 ± 2.4ab52.4 ± 1.4abc62.1 ± 2.8abc65.4 ± 0.7abc68.5 ± 2.0abc
530.9 ± 8.3a36.6 ± 6.5ab40.0 ± 7.0ab47.0 ± 6.5ab51.6 ± 4.1ab56.0 ± 4.2ab63.8 ± 3.7ab67.1 ± 1.1ab71.0 ± 1.6ab
Chemical check (malathion 50 EC)432.3 ± 4.9a38.3 ± 3.3a42.2 ± 4.4a50.7 ± 3.6a55.5 ± 3.1a58.6 ± 2.1a70.4 ± 2.2a73.2 ± 0.3a78.2 ± 2.8a
F values 1.11.31.41.52.42.42.32.82.5
P 0.400.220.200.140.010.010.010.010.01
  1. Mean mortality (%) ± standard error of B. tabaci recorded at different time intervals (DAS days after spray) for bioassays performed with different commercial and indigenous strains
  2. Treatment columns bearing different alphabets are significantly different from other treatments according to Duncan test (P = 0.05)
  3. *Calculated as per Henderson and Tilton (1955) formula