Response of Maize Grown Under High Plant Density; Performance, Issues and Management - A Critical ReviewAlam Sher1*, Aaqil Khan1, Li Jin Cai1, Mhummad Irfan Ahmad1, Umair Asharf2 and Sikander Ali Jamoro1
- *Corresponding Author:
- Alam Sher
School of Agronomy, Anhui Agricultural
University, Hefei, Anhui Province, 230036, China
E-mail: [email protected]
Received date: April 04, 2017; Accepted date: April 20, 2017; Published date: April 27, 2017
Citation: Sher A, Khan A, Cai LJ, Ahmad MI, Asharf U, et al. (2017) Response of Maize Grown Under High Plant Density; Performance, Issues and Management - A Critical Review. Adv Crop Sci Tech 5:275. doi: 10.4172/2329-8863.1000275
Copyright: © 2017 Sher A, et al.. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Modern cropping is based on relatively high plant density. The improved grain yield per unit area of modern maize (Zea mays L.) hybrids is due to the increased optimum plant population rather than the improved grain yield per plant. High plant density has been widely used to enhance grain yield in maize. Subsequently we review the effect of planting density on physiology, phenology, morphology, nitrogen use efficiency, water use efficiency grain yield information in maize crop. At higher plant populations reduced grain yield also results from the increased pollento- silking interval and the following barrenness. However, it may lead to higher risk lodging hence causing significant yield loss of the crop. Future insights are morphological and physiological basis controlling barren and stalk lodging resistance. How root traits, and anatomy of sheath and stem of maize plants correspond to high plant population and a further study on the physiological and biological basis of organ development that may govern the mechanisms of high plant density would be essential for future research.