Growth rhythms in sunflower (Helianthus annuus L.) in response to environmental disparity
Shuaib Kaleem1, Fayyaz- ul- Hassan1, Abdul Razzaq1, Abdul Manaf1 and Aamir Saleem2*
1Department of Agronomy, PMAS-Arid Agriculture University Rawalpindi, Pakistan.
2Department of Forestry and Range Mgt. PMAS-Arid Agriculture University Rawalpindi, Pakistan.
Email: aamir_saleem2002@yahoo. com