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Chemical and Biological Technologies in Agriculture

Table 4 Ideogram of PPO isoenzymes as affected by gamma rays in four potatoes cultivars after the exposure to 4 s dS/m of NaCl

From: Impact of gamma irradiation pretreatment on biochemical and molecular responses of potato growing under salt stress

Polyphenol oxidase isoforms

Relative mobility

Cultivars

Lady Rosetta

Diamante

Gold

Santana

Con

Tre

Con

Tre

Con

Tre

Con

Tre

PPO 1

0.55

_

_

_

_

1+

1++

1+

1++

PPO 2

0.60

1++

1+

1+

1+

1++

1+

1+

1++

PPO 3

0.65

1++

1+

1+

1+

1++

_

1+

1++

PPO 4

0.70

1++

1+

1+

1+

1+

_

1−

1++

PPO 5

0.75

1+

1+

1+

1+

1+

_

1−

1+

  1. − low density, + moderate density, +  + high density, _ absent band
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