Page 85 - BJS vol. 35
P. 85

Response of 2, 4-D on Callus Induction and Plantlet ........ Sugarcane   77





















                     Figure 2.   A.  Regenerated  plantlets  were  transplanted  in  the  polybag  and  then
                               hardening shade, B. Somaclone in the field

                     Table 1. Effects of 2, 4-D on callus induction in Sugarcane
                                            Callus induction   Days required of
                          Treatments                                             Weight (gm)/Callus
                                                 (%)           callus initiation
                            -1
                      1 mg l  2, 4-D           76.67 b              12.00              1.43 c
                            -1
                      2 mg l  2, 4-D           80.00 b              12.33              1.63 b
                            -1
                      3 mg l  2, 4-D           100.00 a             12.67              1.77 a
                            -1
                      4 mg l  2, 4-D           96.67 a              13.67              1.63 b
                            -1
                      5 mg l  2, 4-D           76.67 b              13.67              1.37 c
                      LSD (0.05)                5.538                 -                0.1238
                     Figure in the column with same letter do not differ significantly at 5% level of probability
                     as per DMRT
                     Table 2. Effects of 2, 4-D on shoots and roots formation in sugarcane

                                         Callus %                     Days required
                                                        Number of
                        Treatments       produced      shoot/callus      of shoot       Number of
                                                                                        root/callus
                                           shoot                         initiation
                            -1
                      1 mg l  2, 4-D      96.67 a         7.00 a         21.33  d         4.00 a
                            -1
                      2 mg l  2, 4-D      76.67 b         7.00 a         21.67 d          2.00 b
                            -1
                      3 mg l  2, 4-D      76.67 b         5.67 b         23.33 c          1.33 c
                            -1
                      4 mg l  2, 4-D      53.33 c         4.00 c         24.33 b          0.00 d
                            -1
                      5 mg l  2, 4-D      23.33 d         1.33 d         35.67 a          0.00 d
                      LSD (0.05)           9.592          0.599           0.5538         0.4533
                     Figure in the column with same letter do not differ significantly at 5% level of probability
                     as per DMRT
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