MULTAN :  Growers were urged to complete delayed wheat cultivation till Dec 15. According to a spokesperson, growers should poison wheat seed after consultation with staff of extension and pest warning to save the wheat crop from diseases. Growers should buy recommended wheat seed from the agriculture department including NARC 2011, RE 2011, Asa 2011, Millat 2011, Punjab 2011, Saher 2006, Lasani 2008 and Faisalabad 2008 from dealers registered with Punjab Seed Corporation, it added.