Extract, Polyphenol, Ash and some Mineral Element Contents of Young and Old Leaves of Tea Plant Grown from Clone and Seed (Turkish with English Abstract)

Amount of extract of leaves of the plants grown both clone and seed was found to be above the values of ISO and TSE standards, and amount of total polyphenol was found to be normal level. Mineral elements concentrations of tea plant grown from clone were found to be higher than that plant grown from seed. Nitrogen, phosphorus, potassium and iron concentrations of the tea plants were grown at sampled areas were found not to be sufficient. The insufficient level is getting increase and increase towards 3rd harvesting period.
Klon ve tohumdan üretilen çay bitkisi yaprağının ekstrakt değerleri ISO ve TSE standartlarının üstünde, toplam polifenol miktarı ise normal düzeyde bulunmuştur. Klondan üretilen çay bitkisinin mineral madde içerikleri tohumdan üretilene oranla daha yüksek bulunmuştur. Örnekleme yapılan alanda yetiştirilen çay bitkilerinin azot, fosfor, potasyum ve demir yönünden yetersiz oldukları belirlenmiştir. Noksanlık düzeyi 3. hasat döneminde daha da artmıştır.