Ecological project

Phytoncides

Information

Fir needles Pseudomonas fluorescens 142NF

Onion Pseudomonas fluorescens 142NF

Garlic Pseudomonas fluorescens 142NF

Fir needles Pseudomonas putida BS 3701

Onion Pseudomonas putida BS 3701

Garlic Pseudomonas putida BS 3701

Number of alive microorganisms per Petry dish

Killed activity of different phytoncides (percent)

So, the experiments show that phytoncides protect plants and work by preventing the growth of the attacking microorganisms. The phytoncides play important part in immunity of plants.
Conclusion