INACTIVATION OF MESOPHYLL PROTOPLASTS USING ACRIDIN ORANGE FOR ASYMMETRIC PROTOPLAST FUSION STUDIES ON BULK PRODUCTION OF CYTOPLASTS FROM HYPOCOTYL OF BRASSICA NAPUS Cytotoxic Components from the Roots of Atalantia buxifolia (Poir.) Oliv. On Relation between five Flavours and Toxicity of Chinese Materia Mediea Efleet of Glycyrrhiza flavonoids oil DNA and RNA in tumor cell of S180 and H22 tumor-bearing mice Interactive effect of low concentration buprofezin and Metarhizium anisopliae var. acridum on the mortalities of Nilaparvata lugens (Homoptera: Delphacidae) nymphs and adults in laboratory bioassays