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. 2021 Aug 6;10(8):991. doi: 10.3390/pathogens10080991

Figure 2.

Figure 2

Wheat plants from untreated (control) or treated with Trichoderma (T. virens T49, T. longibrachiatum T68, T spirale T75 and T. harzianum T115) strains subjected to different irrigation regimes. (A) Four-days PDB Trichoderma cultures were applied to the plant growth substrate or PDB (control) under optimal irrigation. (B) The same under water stress (1/3 of the watering applied during the third and fourth weeks) condition. (C) four-days PDB-tryptophan (Trp) Trichoderma cultures were applied to the substrate of plant growth or PDB-Trp (control) under optimal irrigation. (D) The same under water stress (1/3 of the watering applied during the third and fourth weeks) condition. Photographs were taken when plants were 30 days old.