Sodininkystė ir daržininkystė - Sodininkystės ir daržininkystės institutas

34. Òàëàíîâà Â.Â., Òèòîâ À.Ô. Ñðàâíèòåëüíîå èçó÷åíèå ðåàêöèèðàñòåíèé íà äåéñòâèå íèçêèõ òåìïåðàòóð è òÿæåëûõ ìåòàëëîâ //Áèîëîãè÷åñêèå îñíîâû èçó÷åíèÿ, îñâîåíèåÿ è îõðàíû æèâîòíîãî èðàñòèòåëüíîãî ìèðà, ïî÷âåííîãî ïîêðîâà Âîñòî÷íîé Ôåííîñêàíäèè.Ïåòðîçàâîäñê, 1999. Ñ. 250-254.SODININKYSTË IR DARÞININKYSTË. SCIENTIFIC ARTICLES.2006. 25(1). 161-169.ADAPTATION OF RADISH UNDER INTEGRATED EFFECT OF ACIDSUBSTRATUM AND CADMIUM IONSBrazaitytë A., Sakalauskaitë J., Duchovskis P., Ðikðnianienë J.B., Samuolienë G.,Ulinskaitë R., Baranauskis K., Urbonavièiûtë A., Ðabajavienë G., Navarskaitë L.,Strakðas V.SummaryResearch on radish physiological response to distinct and complex effect ofsubstratum acidity and cadmium ions and their adaptation possibilities to these stressorswere carried out in the phytotron of Plant Physiology Laboratory, Lithuanian Instituteof Horticulture. The exposure to stress factors was divided into two main steps: adaptiveand main. Acid concentration for adaptive effect was 3ml H 2SO 4for 1 l of water andcadmium concentration was 0.06mM 3CdSO 4·8H 2O. Acid concentration for main effectwas 4 ml H 2SO 4for 1 l of water and cadmium concentration was 3mM 3CdSO 4·8H 2O.Radish height, biomass accumulation, amounts of photosynthetic pigments in leaveswas determined. It was established that acid rain stimulate adaptation of radishphotosynthetic pigments system for repeatedly acidification of substratum. Cadmiumaffects radish toxically though homeostasis did not evidence.Key words: cadmium, carotenoids, chlorophyll, growth, radish, substratum acidity.169