Melih YILAR, Abdurrahman ONARAN, Yusuf YANAR, Sabriye BELGÜZAR, İzzet KADIOĞLU

Trachystemon orientalis (L.) G. Don (Kaldırık)’ın Herbisidal ve Antifungal Potansiyeli

Kaldırık bitkisinin (Trachystemon orientalis (L.) G. DON) yaprak, çiçek ve kök ekstraktlarının antifungal etkileri ve yaprak ekstraktının herbisidal etkisinin belirlenmesi amacıyla Düzce ili Saz Köyü’nden 2010 yılında bitki materyali toplanmıştır. Toplanan bitki yapraklarından elde edilen su ekstraktları %0, % 1, %5, %10 ve %20 konsantrasyonlarda laboratuvar koşullarında Lepidium sativum L. ve Abutilon theophrasti Medik. tohumlarına 9 cm çaplı steril petri kaplarında uygulanmıştır. Kaldırık yaprak su ekstraktları A. theophrasti, L. sativum tohum çimlenmesini sırasıyla %44.6, %70.6, kök uzunluğunu %63.5, %60.9; sürgün uzunluğunu %68.2, %37.4 oranında azaltmışlardır. Konukçuya özelleşme testlerinde kaldırık bitkisi yaprak su ekstraktının 10 kültür bitkisinde (Agropyron cristatum (L.) Gaertn, Brassica oleracea L., Bromus inermis Leyss., Cucurbita moschata Duch., Lactuca sativa L., Lepidium sativum L., Lolium perenne L., Lotus corniculatus L., Medicago sativa L., Phaseolus vulgaris L., Solanum melongena L.) totoksik etkisi gözlemlenmemiştir. Kaldırık bitkisinin (yaprak, çiçek ve kök) ekstraktları %0, %1, %3, %5, %7, %10 ve %20 konsantrasyonlarda Fusarium solani Sorauer, Fusarium acuminatum Ell. & Ev. ve Fusarium oxysporum f.sp. lycopersici (Sacc) Synd. & Hans.’nin miselyum gelişimine etkinlikleri in vitro koşullarda saptandı. Denemelerde bitki yaprak ve çiçek su ekstraktları F.solani ve F. acuminatum, F. oxysporum f.sp. lycopersici miselyum gelişimini %20lik dozda %100 inhibe etmiştir. Kök ekstraktı ise F.solani ve F. acuminatum, F. oxysporum f.sp. lycopersici miselyum gelişimini kontrole oranla sırasıyla %32.20-%100, %28.26-%42.27, %0-%12.41 engellemiştir.

Anahtar Kelimeler:

Antifungal aktivite, ekstract, herbisidal etki, trachystemon orientalis

Herbicidal and Antifungal Potential of Trachystemon orientalis (L.) G. Don (Kaldırık)

Plant materials collected from Saz village of Düzce province during 2010 growing priod to determine the herbicidal effect of leaf extracts and antifungal effects of Kaldirik plant (Trachystemon orientalis (L.) G. DON) leaves, owers and roots extracts. Water extracts from collected plant leaves were applied to the seeds of Lepidium sativum L. and Abutilon theophrasti Medik in 0% and 1%, 5%, 10%, 20% concentractions in 9 cm diameter sterile disposable petri dish, under laboratory conditions. The water extracts of kaldirik leaves were reduced seed germination of Abutilon theophrasti Medik. and Lepidium sativum L. 44.6% and 70.6%, respectively. Root growths and shoot growths of A. theophrasti and L. sativum were 63.5% and 60.9%; 68.2% and 37.4%, respectively. In host speci city tests applied doses of water extracts did not shown phytotoxic effects on ten different cultural crops(Agropyron cristatum (L.) Gaertn, Brassica oleracea L., Bromus inermis Leyss., Cucurbita moschata Duch., Lactuca sativa L., Lepidium sativum L., Lolium perenne L., Lotus corniculatus L., Medicago sativa L., Phaseolus vulgaris L., Solanum melongena L.). Kaldirik plant extract (leaves, owers and roots) were determined in vitro effect on the mycelium development of Fusarium solani Sorauer, Fusarium acuminatum Ell. & Everh. and Fusarium oxysporum f.sp. lycopersici (Sacc) Synd. & Hans in 0%, 1%, 3%, 5%, 7%, 10% and 20% concentractions. In the experiments, the plant leave and ower water extracts was inhibited 100% at a 20% dose mycelium development of F. solani and F. acuminatum, F. oxysporum f.sp. lycopersici. Root extracts inhibited mycelium development of F. solani and F. acuminatum, F. oxysporum f.sp. lycopersici 32.20%-100%, 28.26%- 42.27%, 0%-12.41%, respectively, according to control.

Keywords:

Antifungal activity, extract, herbicidal effect, Trachystemon orientalis (L.) G. DON.,

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