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Table 6 Effect of Bacillus subtilis isolates and Folicure treatments on peroxidase and polyphenol oxidase activity of onion plants after 30 days from transplanting under field conditions at Mallawi, Menia governorate, during 2019/20 and 2020/21 growing seasons

From: Biological control of onion white rot disease using potential Bacillus subtilis isolates

Treatments

2019/2020

2020/2021

Peroxidase mg/ml

PPO (unit/mg protein)

Peroxidase mg/ml

PPO (unit/mg protein)

Bacillus subtilis Isolate no. 1

0.187

0.170

0.189

0.190

Bacillus subtilis Isolate no. 2

0.225

0.035

0.233

0.036

Bacillus subtilis Isolate no. 3

0.146

0.012

0.151

0.013

Bacillus subtilis Isolate no. 4

0.201

0.030

0.226

0.032

Bacillus subtilis Isolate no. 5

0.158

0.015

0.160

0.017

Folicure 25% EC

0.195

0.022

0.198

0.024

Control (Untreated)

0.065

0.009

0.067

0.010

L.S.D. at 0.05%

0.044

0.005

0.033

0.006