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Table 2 Correlations between Pn and FV/FM and chlorophyll a and chlorophyll b

From: Responses of leaf gas exchange attributes, photosynthetic pigments and antioxidant enzymes in NaCl-stressed cotton (Gossypium hirsutum L.) seedlings to exogenous glycine betaine and salicylic acid

 

Pn

FV/FM

Chlp a

Chlp b

Pn

1

ns

.75**

.72**

FV/FM

 

1

.45*

.44*

Chlp a

  

1

.98***

Chlp b

   

1

  1. Pn Net photosynthetic rate, FV/FM Maximal photochemical efficiency of photosystem II, Chlp a Chlorophyll a, Chlp b Chlorophyll b
  2. The asterisks *, ** and *** represent significance levels P < .05, P < .01 and P < .001 respectively and ns = non-significant
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BMC Plant Biology

ISSN: 1471-2229

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