Bazı Tıbbi Bitkilerin Mısır Sap Çürüklüğü (Dickeya zea)’ne Karşı Antibakteriyel Etkilerinin Araştırılması

Öz

Bu çalışmada, Dickeya zeae kaynaklı mısırda bakteriyel gövde çürüklüğüne karşı doğa dostu ve sürdürülebilir mücadele yöntemleri araştırılmıştır. Antakya’nın Ceylanlı Köyü Alan yaylasından toplanan Lavandula stoechas, Micromeria myrtifolia, Origanum syriacum ve Thymbra spicata ekstraktları ve uçucu yağlarının Dickeya zeae’ya antibakteriyel etkisi araştırılmıştır. Bitki ekstraklarının çözgenleri olarak %80 etanol, %80 metanol ve steril saf su kullanılmış ve en başarılı çözgenin %80 etanol olduğu saptanmıştır. In vitro denemelerde Dickeya zeae’ya en yüksek antibakteriyel etki Thymbra spicata ve Origanum syriacum uçucu yağından elde edilmiştir. Bunları, çözgen olarak %80 etanolün kullanıldığı Thymbra spicata, Origanum syriacum ve Lavandula stoechas bitki ekstraktları ile Lavandula stoechas uçucu yağı takip etmiştir. Sonuç olarak, etkili bulunan bitki ekstrakları ve uçucu yağları bu hastalığın mücadelesinde kimyasallara alternatif olarak kullanılabileceği belirlenmiştir.

Anahtar Kelimeler

• İnhibisyon zonu
• Thymbra
• Origanum
• Lavandula
• organik tarım
• sürdürülebilir tarım

Investigation of Antibacterial Effects of Some Medicinal Plants Against Corn Stalk Rot (Dickeya zea)

Öz

In this study, environmentally friendly and sustainable control methods against bacterial stem rot of maize caused by Dickeya zeae were investigated. The antibacterial effect of Lavandula stoechas, Micromeria myrtifolia, Origanum sryacum and Thymbra spicata extracts and essential oils collected from Alan plateau of Ceylanlı village of Antakya province on Dickeya zeae was investigated. While preparing the plant extracts, 80% ethanol, 80% methanol and sterile distilled water were used as solvents and 80% ethanol was found to be the most successful solvent. In vitro petri experiments, the highest antibacterial effect against Dickeya zeae was obtained in Thymbra spicata and Origanum syriacum essential oils. These were followed by Thymbra spicata, Origanum syriacum and Lavandula stoechas plant extracts and Lavandula stoechas essential oil using 80% ethanol as solvent. As a result, it was determined that plant extracts and essential oils could be used effective as an alternative to chemicals in the control of this disease.

Anahtar Kelimeler

• Inhibition zone
• Thymbra
• Origanum
• Lavandula
• organic farming
• sustainable agriculture

Kaynakça

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