تأثير التشعيع و السايتوكانين في تضاعف الأفرع الخضرية لنبات الديجيتالس Digitalis lanata خارج الجسم الحي

Abstract EN

Seeds of foxglove (Digitalis lanata) were irradiated with (0,30) gray of gamma ray and sown in sold MS media ,after one month shoot tips 1 cm in length were taken and cultured on MS media supplemented with (0,1,2,3,4) mg/l of BA or (0,0.5,1,1.5) mg/l of TDZ individually.

Result showed that the MS medium supplemented with 2mg/l of BA increased numbers, length, fresh and dry weight of shoots comparing with the TDZ, the values were 17.00 shoot/exp.,5.15cm,17.07mg and 2.11mg respectively.

Irradiation with 30 gray improved the characters tested as well, the values were (9.12 shoot/exp.,3.99cm, 11.20mg and 1.31mg) respectively.

Meanwhile TDZ experiment got the highest rate of the same characters were (9.17 shoot/exp.,6135cm, 12.;;mg and 2.;6mg) respectively, Irradiation with 30 gray improved the characters tested as well, the values were (7134 shoot/exp.,5147cm, 81:6mg and 2178mg) respectively1