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Table 2 Effect of the natural products individually tested under control conditions (YPD without stress), salt (NaCl and LiCl), osmotic (Sorbitol), and temperature (10 °C and 37 °C) stress

From: A fast method to evaluate in a combinatorial manner the synergistic effect of different biostimulants for promoting growth or tolerance against abiotic stress

 

No-stress

NaCl 1 M

LiCl 0.15 M

Sorbitol 1.8 M

37 °C

10 °C

B1

=

=

=

=

=

B2

=

=

=

+

=

=

B3

=

=

=

+

=

=

B4

=

+

+

+

=

=

B5

=

+

+

+

=

=

B6

=

=

W

+

W

=

B7

=

=

=

+

=

=

B8

=

=

B9

=

B10

=

W

=

=

=

  1. Yeast growth in fresh YPD medium containing 800 µg/ml of each product, except for B8 and B9, of which was used 200 µg/ml. Three independent complete experiments, each using three biological and three technical replicates per plate, were performed with similar results
  2. ( +) Growth stimulation; ( =) no observable effect; (−) negative; (W) weak