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Table 1 Population dynamics of aphid, Myzus persicae (Sulzer) 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 aphid nymphs/plant*(mean ± SE)Fruit yield (t/ha)
Before sprayI sprayII sprayIII spray
3DAS7DAS10DAS3DAS7DAS10DAS3DAS7DAS10DAS
Beauveria bassiana
Bb-B1
839.3 ± 0.4 a36.0 ± 0.6c34.3 ± 0.6e33.6 ± 0.9d31.2 ± 1.2c29.5 ± 1.5c28.5 ± 1.7e26.0 ± 2.5e24.7 ± 2.7e23.7 ± 2.4e42.1 ± 1.1cd
1039.8 ± 1.4a35.8 ± 0.2bc34.3 ± 0.2e33.6 ± 0.4d31.2 ± 0.4c29.3 ± 0.4c28.2 ± 0.6de25.7 ± 0.7e24.5 ± 1.0e23.5 ± 1.1e42.4 ± 0.9bcd
1240.0 ± 2.2a35.5 ± 1.3bc34.0 ± 1.1e33.3 ± 0.9d30.7 ± 0.8c29.0 ± 0.8c28.0 ± 1.0de25.5 ± 1.7e24.2 ± 1.9de23.0 ± 1.7de42.8 ± 0.9bcd
Lecanicillium lecanii
MTCC 956
838.9 ± 0.6a33.7 ± 2.1abc31.5 ± 2.5bcd30.2 ± 2.4bcd26.7 ± 3.9bc24.3 ± 4.5abc22.3 ± 4.3abcde18.2 ± 3.5abcd16.0 ± 4.0abcd15.2 ± 3.6bcde42.6 ± 0.6bcd
1038.4 ± 1.5a32.7 ± 2.2abc30.8 ± 2.3abcd29.5 ± 2.2bcd26.2 ± 3.2abc23.7 ± 3.7abc21.7 ± 3.7abcde17.7 ± 3.2abcd15.5 ± 3.8abc14.7 ± 4.5abcd42.9 ± 1.1bcd
1238.7 ± 0.9a32.5 ± 2.5abc30.2 ± 3.3abcd29.0 ± 3.5abcd25.7 ± 3.5abc23.2 ± 3.7abc21.2 ± 3.2abcd16.8 ± 3.2abcd15.0 ± 3.7abc14.3 ± 4.9abc43.3 ± 0.7bcd
Beauveria bassiana
Commercial formulation
840.3 ± 0.5a35.5 ± 0.9bc33.5 ± 0.9cd32.3 ± 0.9cd28.8 ± 1.3bc27.0 ± 1.7bc25.7 ± 1.4cde21.7 ± 1.2de19.5 ± 1.3bcde18.2 ± 1.2cde41.9 ± 0.2cd
1039.5 ± 0.9a34.3 ± 0.4bc32.3 ± 0.7bcd31.2 ± 0.7bcd27.7 ± 1.8bc25.8 ± 1.9bc24.5 ± 1.75bcde20.7 ± 1.4bcde18.5 ± 1.5bcde17.2 ± 1.6bcde42.5 ± 2.8bcd
1239.5 ± 2.2a34.0 ± 1.7abc31.8 ± 1.6bcd30.7 ± 1.2bcd27.3 ± 2.0bc25.5 ± 2.0bc24.2 ± 2.04bcde20.3 ± 1.9bcde18.2 ± 2.2bcde16.8 ± 2.0bcde42.4 ± 2.1bcd
Metarhizium anisopliae
Commercial formulation
840.8 ± 1.9a36.0 ± 1.3c33.8 ± 0.9cd32.5 ± 0.8d29.0 ± 1.0bc26.8 ± 0.4bc25.3 ± 0.6cde22.0 ± 1.6de20.0 ± 2.1cde19.0 ± 2.4cde42.3 ± 0.8bcd
1040.2 ± 2.1a35.2 ± 2.1bc32.8 ± 2.2bcd31.5 ± 2.2bcd28.0 ± 2.1bc25.8 ± 2.2bc24.3 ± 2.4bcde20.8 ± 2.7cde18.8 ± 2.8bcde17.8 ± 2.8bcde42.2 ± 2.2bcd
1239.8 ± 0.7a34.2 ± 1.6abc32.0 ± 1.5bcd30.7 ± 1.6bcd27.0 ± 1.2bc24.8 ± 1.4bc23.3 ± 1.4bcde19.8 ± 0.7bcde17.7 ± 0.6bcde17.0 ± 0.9bcde42.6 ± 1.3bcd
Lecanicillium lecanii
Commercial formulation
839.1 ± 1.0a33.7 ± 0.7abc31.8 ± 0.3bcd30.7 ± 0.4bcd26.5 ± 0.8abc24.2 ± 0.7abc22.8 ± 1.0abcde18.7 ± 0.9bcd16.7 ± 1.7abcde16.0 ± 1.5bcde42.3 ± 1.1bcd
1039.2 ± 2.6a33.3 ± 1.6abc31.5 ± 1.7bcd30.2 ± 1.9bcd26.0 ± 3.0abc23.5 ± 3.0abc22.3 ± 3.1abcde18.0 ± 3.0abcd16.0 ± 4.1abcd15.5 ± 3.3bcde43.1 ± 1.0bcd
1239.0 ± 1.0a33.0 ± 1.2abc31.0 ± 1.5bcd29.8 ± 1.6bcd25.5 ± 1.3abc23.0 ± 2.0abc21.8 ± 1.8abcde17.7 ± 2.2abcd15.8 ± 3.1abcd15.2 ± 2.7bcde42.9 ± 1.0bcd
Azadirachtin 1% (10,000 ppm)438.3 ± 1.5a30.8 ± 1.3abc28.5 ± 1.0abc27.0 ± 1.2abc23.2 ± 1.0ab20.3 ± 0.7ab18.7 ± 0.7abc14.3 ± 0.7abc12.2 ± 0.3abc10.7 ± 0.4abc46.2 ± 2.0abc
538.8 ± 1.4a30.7 ± 1.1ab27.8 ± 0.9ab26.5 ± 1.1ab22.7 ± 1.6ab19.8 ± 1.2ab18.2 ± 1.1ab13.8 ± 1.2ab11.5 ± 1.0ab9.5 ± 0.8ab47.1 ± 1.6ab
Chemical check (malathion 50 EC)438.3 ± 1.2a29.2 ± 0.7a25.8 ± 1.0a24.2 ± 0.9a19.8 ± 1.0a17.2 ± 0.7a16.0 ± 0.3a11.7 ± 0.4a9.3 ± 0.4a6.7 ± 0.8a49.4 ± 0.8a
Control 37.6 ± 3.6a41.1 ± 2.2d39.3 ± 2.0f39.3 ± 1.6e39.0 ± 2.6d37.0 ± 2.2d37.5 ± 1.0f37.2 ± 1.9f37.2 ± 3.0f36.3 ± 3.2f39.8 ± 2.0d
F(18,38)values 0.232.93.34.03.83.85.07.56.26.32.2
P 1.000.03< 0.01< 0.001< 0.001< 0.001< 0 .001< 0.001< 0.001< 0 .0010.022
  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)