Moumni Marwa, Romanazzi Gianfranco, Najar Basma, Pistelli Luisa, Ben Amara Hajer, Mezrioui Kaies, Karous Olfa, Chaieb Ikbal, Allagui Mohamed Bechir
Laboratory of Plant Protection, National Institute for Agronomic Research of Tunisia, University of Carthage, Rue Hédi Karray, Ariana 2080, Tunisia.
Department of Agricultural, Food and Environmental Sciences, Marche Polytechnic University, Via Brecce Bianche, 60131 Ancona, Italy.
Antibiotics (Basel). 2021 Jan 22;10(2):104. doi: 10.3390/antibiotics10020104.
Essential oils represent novel alternatives to application of synthetic fungicides to control against seedborne pathogens. This study investigated seven essential oils for in vitro growth inhibition of the main seedborne pathogens of cucurbits. essential oil completely inhibited mycelial growth of and at 0.6 and 0.9 mg/mL, respectively. At 1 mg/mL, , , , and two essential oils inhibited mycelia growth of by 54%, 71%, 68%, 36%, 90%, and 74%, respectively. mycelia growth was more sensitive to essential oils, with inhibition of ~74% at 1 mg/mL. To determine the main compounds in these essential oils that might be responsible for this antifungal activity, they were analyzed by gas chromatography-mass spectrometry (GC-MS). essential oil showed cirtal as its main constituent, while and essential oils showed eucalyptol. The and two essential oils had terpinen-4-ol as the major constituent, while for essential oil, this was linalool. Thus, in vitro, these essential oils can inhibit the main seedborne fungi of cucurbits, with future in vivo studies now needed to confirm these activities.
精油是替代合成杀菌剂防治种传病原体的新选择。本研究调查了七种精油对葫芦科主要种传病原体的体外生长抑制作用。精油分别在0.6和0.9毫克/毫升时完全抑制了[两种病原体名称未给出]的菌丝生长。在1毫克/毫升时，[几种精油名称未给出]和两种[精油名称未给出]精油分别使[某种病原体名称未给出]的菌丝生长抑制了54%、71%、68%、36%、90%和74%。[某种病原体名称未给出]的菌丝生长对[几种精油名称未给出]精油更敏感，在1毫克/毫升时抑制率约为74%。为了确定这些精油中可能具有这种抗真菌活性的主要成分，对它们进行了气相色谱 - 质谱联用（GC - MS）分析。[某种精油名称未给出]精油以柠檬醛为主要成分，而[两种精油名称未给出]精油以桉叶油素为主要成分。[两种精油名称未给出]和两种[精油名称未给出]精油以萜品醇 - 4为主要成分，而对于[某种精油名称未给出]精油，主要成分是芳樟醇。因此，在体外，这些精油可以抑制葫芦科的主要种传真菌，现在需要进一步的体内研究来证实这些活性。
