%0 Journal Article %A Nisar Ahmad %A Bilal Haider Abbasi %A Hina Fazal %A Mubarak Ali Khan %A Muhammad Siddique Afridi %T Effect of reverse photoperiod on in vitro regeneration and piperine production in Piper nigrum L. %J Comptes Rendus. Biologies %D 2014 %P 19-28 %V 337 %N 1 %I Elsevier %R 10.1016/j.crvi.2013.10.011 %G en %F CRBIOL_2014__337_1_19_0