Ecology, Environment and Conservation Paper

Vol 22, Issue 4, 2016; Page No.(1727-1734)

PROTOPLAST CULTURES OF MURRAYA PANICULATA L. JACK AND THEIR REGENERATION INTO PLANT PRECOCIOUS FLOWERING

Hasan Basri Jumin

Abstract

Protoplasts isolated from embryogenic callus of Murraya paniculata (L. Jack.) were cultured in MT (Murashige and Tucker, 1969) basal medium containing 5% sucrose supplemented with kinetin, malt extract (ME) and 0.6 M sorbitol. About 85% of the surviving protoplasts formed a cell wall within 6 d of culture and the first cell division was observed 7 days after isolation. The highest plating efficiency was obtained on MT basal medium containing 5% sucrose supplemented with 0.01 mg L-1 kinetin 600 mg L-1 ME, MT basal medium containing 5% sucrose and supplemented with 0.01 mg L-1 Indole-acetic-acid (IAA) was found to be a medium suitable for the development somatic embryos into heart-shaped somatic embryos. The highest percentage of shoot formation was obtained using 0.1 mg L-1 Indole-acitic-acid (IAA) 0..1 mg L-1 gibberellic acid (GA3). In this investigation 40 plants were survived and grew normally in the soil. After two months maitained in the soil plants formed flower and flower developed into fruits on the soil treated with BA.

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