Glifosatın Su Mercimeği (Lemna minor L.)’nin Nişasta Birikimine, Klorofil ve Enzim Aktiviteleri Üzerine Etkileri

Bu çalışmada, Su mercimeği (Lemna minor) bitkisinin klorofil ve enzim aktivitesi üzerinde glifosat uygulamasının etkisi araştırdık. İlk olarak Erzurum İli'ndeki farklı su kaynaklarından ve tarımsal alanlardaki deşarj sularından L.minor bitkisi toplanmıştır. İkinci aşamada L.minor iki hafta aklimasyona tabi tutulmuştur ve su mercimeğine laboratuar ortamında 0,48 gL-1; 2,4 gL-1; 4,8 gL-1; 19,2 gL-1 konsantrasyonlarında glifosat uygulanmıştır. Deneme sonucunda su örneklerindeki NH3-N, NO3--N, NO2--N and PO4-P değerleri ve bitkideki nişasta oranı (%), klorofil a ve klorofil b değerleri istatistikî açıdan önemli bulunmuştur (p

Effects of Glyposate on Starch Accumulation, Chlorophyll and Enzyme Activity of Duckweed (Lemna minor L.)

We investigated that effect of glyphosate on chlorophyll and enzyme activity of duckweed (Lemna minor) in the study. The experiment consisted of two stages. Firs stage, L. minor was collected fresh water and drainage water of agriculture land in Erzurum. At second stage, L. minor plants has been acclimated before glyphosate treatment for 2 weeks and these plant sample were exposure with different concentrations of glyphosate (0.48, 2.4, 4.8 and 19.2 gL-1) in laboratory conditions. NH3-N, NO3-N, NO2-N and PO4-P concentrations in water sample and starch content (%) of the plant, Chl-a and Chl-b concentration differences at p

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