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Botanical Studies
Fig. 6 | Botanical Studies

Fig. 6

From: Inoculation with Azospirillum brasilense and/or Pseudomonas geniculata reinforces flax (Linum usitatissimum) growth by improving physiological activities under saline soil conditions

Fig. 6

A Principal component analysis (PCA) to understand the variability relationships of parameters and treatments in flax plants. The entire dataset was analyzed using a PCA clustering approach. The parameters included Shoot L. (Shoot length), Root L. (Root length), Shoot FW (fresh weight of shoot), Shoot DW (Shoot dry weight), Root FW (fresh weight of root), Root DW (Root dry weight), number of leaves, Chl. a (chlorophyll a), Chl. b (chlorophyll b), (carotenoids), soluble sugars, soluble protein, proline, K (potassium), Na (sodium) MDA (malondialdehyde), H2O2 (Hydrogen peroxide), SOD (superoxide dismutase), APX (ascorbate peroxidase), and POD (peroxidase). (B) The treatments of the flax plants were shown in different shapes with different colors under salinity stress conditions. The 1st was flax plants grown in saline soil and represented as green rhombus (Saline soil control). The 2nd was flax plants inoculated with both bacterial strains Azospirillum brasilense and Pseudomonas geniculata and represented as a red square. The 3rd was flax plants inoculated with Azospirillum brasilense and represented as a blue circle. The 4th was plants inoculated with Pseudomonas geniculata and represented as a purple triangle

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