Establishment of Plant Acceptor System for Hyperosmosis Transformation.
TL;DRAbstract
Calli and adventitious buds induced from different explants such as young stems and leaves of tomato variety Moneymaker, and mature embryos and young spikelets of rice variety TP309 were used to establish hyperosmotic transformation system at various osmotica treatments.The results revealed that the calli induced from tomato young leaves and rice young spikelets were the ideal transfomation acceptor. The cells of calli were still vigorous when treated wity 0.75 mol/L hyperosmotic solution for 4 hours. The differentiation rates of calli varied from 7.5% to 93.3% in different media. The bud differentiation was apparently inhibited by hyperosmotic treatments. O.75mol/L sucrose hypertonic solution and O.2mol/L CaCl2 solution were favorable hyperosmoticum and hypoosmoticum respectively.
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Calli and adventitious buds induced from different explants such as young stems and leaves of tomato variety Moneymaker, and mature embryos and young spikelets of rice variety TP309 were used to establish hyperosmotic transformation system at various osmotica treatments.The results revealed that the calli induced from tomato young leaves and rice young spikelets were the ideal transfomation acceptor. The cells of calli were still vigorous when treated wity 0.75 mol/L hyperosmotic solution for 4 hours. The differentiation rates of calli varied from 7.5% to 93.3% in different media. The bud differentiation was apparently inhibited by hyperosmotic treatments. O.75mol/L sucrose hypertonic solution and O.2mol/L CaCl2 solution were favorable hyperosmoticum and hypoosmoticum respectively.
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