FARKLI BİTKİ TOHUMLARININ ÇİMLENME, İMBİBİSYON VE SU ALINIMINA KADMİYUM, KURŞUN VE NİKELİN ETKİSİ

Year 2008, Issue: 017, 1 - 10, 15.12.2008

Kadriye Uruç , Dilek Demirezen Yılmaz

Abstract

Phaseolus vulgaris ve Rumex scutatus tohumlarında imbibisyon, su alınımı ve çimlenmeye farklı metal tuzlarının etkisi laboratuar koşullarında incelenmiştir. Tohumlar, değişen onsantrasyonlarda; 0, 100, 1000, 10000 mg L-1 Pb, 0, 50, 100, 1000 mg L-1 Ni ve 0, 80, 160, 320 mg L-1 Cd metal solusyonları ile muamele edilmiştir. Kurşun ve kadmiyum P.vulgaris’de çimlenmeyi geciktirmiştir. Çimlenme yüksek Ni ve Pb +2 konsantrasyonunda inhibe olmuştur. Bununla birlikte, çimlenme oranının diğer metallerin düşük konsantrasyonlarından ziyade, 100 mg L-1 Pb’de belirgin şekilde daha yüksek olduğu tespit edilmiştir. Ayrıca, tohumlardaki imbibisyonun da metal tuzlarından etkilendiği gözlenmiştir.

Keywords

Kadmiyum, çimlenme, imbibisyon, kurşun, nikel, Phaseolus vulgaris, Rumex scutatus

EFFECT OF CADMIUM, LEAD AND NICKEL ON IMBIBITION, WATER UPTAKE AND GERMINATION FOR THE SEEDS OF DIFFERENT PLANTS

Abstract

The effect of different metal salts on the imbibition, water uptake and germination of Phaseolus vulgaris and umex scutatus was studied under laboratory conditions. Seeds were treated with solutions of the following concentrations; 0, 100, 1000, 10000 mg L-1 Pb, 0, 50, 100, 1000 mg L-1 Ni and 0, 80, 160, 320 mg L-1 Cd. Lead and cadmium was delayed germination in P.vulgaris.Germination was strongley inhibited by higher Ni and Pb+2 concentrations. However, germination rate was significantly greater at 100 mg L-1 Pb than lower concentrations of other metal salts. It was also shown that imbibiton of seeds was affected by metal salts.

Keywords

Cadmium, germination, imbibition, lead, nickel, Phaseolus vulgaris, Rumex scutatusl

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