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Table 2 Effect of bio-control agents, aqueous plant extracts, and citric acid as soil treatments and/or foliar spray on shoot parameters of potato plants in field application

From: Field application of bio-control agents and aqueous plant extracts for controlling bacterial soft rot and enhancement yield quality of Solanum tuberosum L. cv. Diamond

TreatmentsSoil treatmentFoliar spray
Shoot lengthShoot no./pitLeaves no./pitShoot lengthShoot no./pitLeaves no./pit
cmIncr.%No.Incr.%No.Incr. %.cmIncr.%No.Incr.%No.Incr.%
Bacillus subtilis47.8a*50.32.6ab160.066.8a247.953.8a68.12.0abcd62.839.8a97.0
Bacillus pumilus48.2a51.62.8ab180.073.4a282.354.2a69.42.6a20.945.8a126.7
Trichoderma harzianum49.0a54.12.0b100.072.8a279.250.8ab58.72.4ab16.338.8ab92.1
Trichoderma virens48.4a52.23.0a200.073.8a287.451.6ab61.22.2abc16.335.6abc76.2
Lantana48.4a52.22.4ab140.057.8ab201.052.0a62.51.6bcd67.442.2a108.9
Lemongrass43.0ab35.21.6bc60.039.4b105.253.6a67.52.4ab27.942.8a111.9
Olive cake46.6a46.52.2ab120.046.0b139.656.0a75.01.4 cd27.944.6a120.8
Citric acidNT45.2b41.22.0abcd66.736.0abc78.2
PDB medium only35.6bc11.91.3bc30.024.8bc26.336.8c15.01.3 cd8.327.4 cd45.6
NB medium only35.6bc11.91.4bc40.026.4bc37.535.8c11.91.3 cd8.328.4bcd40.6
Control31.8c-1.0c-19.2c-32.0c-1.2d-20.2d-
  1. NT not test
  2. *Means in each column followed by different letter(s) are significantly different according to Duncan’s multiple range test at P ≤ 0.05