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Table 5 Effects of exogenous melatonin on the anatomical structure of cotton stems under salt stress.

From: Exogenous melatonin improves the salt tolerance of cotton by removing active oxygen and protecting photosynthetic organs

Treatment

Xylem thickness (um)

Phloem thickness (um)

Epidermis thickness (um)

Pith diameter (um)

CK

291.86 ± 2.58 a

193.93 ± 2.23 a

11.80 ± 0.22 a

1304.92 ± 13.23 a

S

271.98 ± 1.48 b

168.65 ± 2.78 c

11.71 ± 0.21 a

1142.96 ± 14.47 c

S + MT200

289.48 ± 4.52 a

181.08 ± 2.58 b

11.79 ± 0.12 a

1236.88 ± 5.46 b

  1. Control (CK) and salt-treated (S) plants were sprayed with distilled water, while S + MT200 was sprayed with 200 μM MT. Different lowercase letters indicate significant differences at the p ≤ 0.05 level
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BMC Plant Biology

ISSN: 1471-2229

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