TY - BOOK AU - SHARMA, Sukhdev Kumar TI - Control of pea leaf-miner, phytomyza atricornis meigen on a brassica crop by using systemic insecticides U1 - T 632.951 S33C PY - 1970/// CY - Ludhiana PB - P.A.U KW - SYSTEMIC INSECTICIDE KW - ENTOMOLOGY KW - PHYTOMYZA ATRICORNIS KW - SYSTEMIC - INSECTICIDES N2 - Nine systemic insecticides in foliar application and eight insecticides through soil application were used for the control of larvae and pupae of pea leaf-miner, Patricomis on Sarson. Each insecticide was used in three dosage The three dosages were 250, 5 ER -