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Figure 1 | Chemical and Biological Technologies in Agriculture

Figure 1

From: Arachidonic acid as an elicitor of the plant defense response to phytopathogens

Figure 1

The effects of arachidonic acid (AA) and fungicides on the tomato resistance to diseases[41]. (1) Macrosporiose of leaves; (2) macrosporiose of fruits; (3) septariose of leaves; (4) black bacterial blight of leaves; (a), (b), and (c) designate the AA concentrations of 0.1, 0.01, and 0.001 mg/L, respectively. The fungicide treatment included the seed treatment with Tyram (3.5% solution) and then foliar treatment of tomato plants with Homycin by 3–4 times. In control, plants were not subjected to any treatment.

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