The tender buds of Phyllodoce caerulea were used as explants for this experiment.The most suitable culture media were screened for shoots regeneration directly from bases of the tender buds,rooting and germplasm prese...The tender buds of Phyllodoce caerulea were used as explants for this experiment.The most suitable culture media were screened for shoots regeneration directly from bases of the tender buds,rooting and germplasm preservation in vitro with a uniform design.The results showed that DR+TDZ4.00 mg·L-1was the most suitable for shoots regeneration,and the rate of regeneration was more than 98.5%.MS（modified）+IBA0.05 mg·L-1+NAA0.01 mg·L-1+KT0.10 mg·L-1was the most suitable for rooting,and the rate of rooting was more than 97.8%.N-68+B92.30 mg·L-1+ phloridzin 1.50 mg·L-1was the most suitable for preservation in vitro for 42 months.Stems each with one node were cut from the regenerated shoots and cultured for propagation,and a 35-fold proliferation rate was achieved within 40 days.The method of "deferring growth with dwarfing" was utilized for germplasm preservation in vitro at normal temperature.In vitro culture and germplasm preservation in vitro system of Phyllodoce caerulea had been successfully established.展开更多
The tender leafstalks of Ledum palustre var.dilatatum were used as explants for the experiment.Uniform design for the most suitable media for shoots regeneration immediately at base of tender leafstalks,rooting and ge...The tender leafstalks of Ledum palustre var.dilatatum were used as explants for the experiment.Uniform design for the most suitable media for shoots regeneration immediately at base of tender leafstalks,rooting and germplasm conservation in vitro was screened.The results showed that N6+ZT 2.65 mg·L-1+IAA 0.05 mg·L-1 was fits for shoots regeneration,the frequency of shoots induction was higher than 92.5%;MS(modified)+IAA 0.1 mg·L-1+Kt 0.75 mg·L-1 for rooting,the rate of rooting was 98%;N-68+B9 2.5 mg·L-1+ Phloridzin 1.0 mg·L-1 for germplasm conservation in vitro for 46 months.Stems each with one node were cut from regenerated shoots and cultured for propagation,and a 90-fold proliferation rate was achieved within 30 days.The method of "deferring growth with dwarfing" was utilized for germplasm conservation in vitro at normal temperature.In vitro culture and germplasm conservation in vitro system of Ledum palustre var.dilatatum was established.展开更多
文摘The tender buds of Phyllodoce caerulea were used as explants for this experiment.The most suitable culture media were screened for shoots regeneration directly from bases of the tender buds,rooting and germplasm preservation in vitro with a uniform design.The results showed that DR+TDZ4.00 mg·L-1was the most suitable for shoots regeneration,and the rate of regeneration was more than 98.5%.MS（modified）+IBA0.05 mg·L-1+NAA0.01 mg·L-1+KT0.10 mg·L-1was the most suitable for rooting,and the rate of rooting was more than 97.8%.N-68+B92.30 mg·L-1+ phloridzin 1.50 mg·L-1was the most suitable for preservation in vitro for 42 months.Stems each with one node were cut from the regenerated shoots and cultured for propagation,and a 35-fold proliferation rate was achieved within 40 days.The method of "deferring growth with dwarfing" was utilized for germplasm preservation in vitro at normal temperature.In vitro culture and germplasm preservation in vitro system of Phyllodoce caerulea had been successfully established.
文摘The tender leafstalks of Ledum palustre var.dilatatum were used as explants for the experiment.Uniform design for the most suitable media for shoots regeneration immediately at base of tender leafstalks,rooting and germplasm conservation in vitro was screened.The results showed that N6+ZT 2.65 mg·L-1+IAA 0.05 mg·L-1 was fits for shoots regeneration,the frequency of shoots induction was higher than 92.5%;MS(modified)+IAA 0.1 mg·L-1+Kt 0.75 mg·L-1 for rooting,the rate of rooting was 98%;N-68+B9 2.5 mg·L-1+ Phloridzin 1.0 mg·L-1 for germplasm conservation in vitro for 46 months.Stems each with one node were cut from regenerated shoots and cultured for propagation,and a 90-fold proliferation rate was achieved within 30 days.The method of "deferring growth with dwarfing" was utilized for germplasm conservation in vitro at normal temperature.In vitro culture and germplasm conservation in vitro system of Ledum palustre var.dilatatum was established.
