TY - GEN AU - SINGH, B D TI - PLANT BIOTECHNOLOGY U1 - 631.3 SIN/PL CY - LUDHIANA, KALYANI KW - BIOSAFETY KW - DNA TECHNOLOGY KW - GENES KW - GENOME MAPS KW - MICROPROPAGATION KW - PLANT CELL KW - SOMACLONAL VARIATION KW - TISSUE CULTURE KW - VIRUS-FREE PLANTS ER -