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Table 2 Effect of the entomopathogenic fungus Beauveria bassiana and chlorpyrifos treatments on the beetroot sugar content during two consecutive growing seasons (2021 and 2022)

From: Evaluation of chlorpyrifos and Beauveria bassiana as a strategy in the Egyptian sugar beet fields: impact on Spodoptera littoralis (Boisduval) and its associated predators populations and the sugar beetroot yield

Treatments

Seasons

Beetroot total sugar content

  

(Kg/feddan)

Percentage (%)

  

Mean ± S.E

Mean

Beauveria bassiana

First

3.760 c ± 0.01

17.03 c

 

Second

3.814 b ± 0.02

17.30 ab

Chlorpyrifos

First

3.854 ab ± 0.01

17.19 b

 

Second

3.880 a ± 0.03

17.41 a

Control

First

1.303 d ± 0.02

13.04 d

 

Second

1.296 d ± 0.01

12.99 d

  1. The means of the same column followed by different alphabetical letters are significantly different, P ≤ 0.05