alexa Growth and Reproduction of Annual Sowthistle (Sonchus asper L.) in Response to Environmental Light
ISSN: 2168-9881

Agrotechnology
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Research Article

Growth and Reproduction of Annual Sowthistle (Sonchus asper L.) in Response to Environmental Light

Zahra Hosseini Cici S1-3*, Brian Sindel4, Steve Adkins2 and Jim Hanan2
1Payame Noor University, Alborz, Tehran, Iran
2CRC for Australian Weed Management, Advanced Modelling and Simulation School, University of Queensland, St Lucia, Brisbane, Australia
3School of Plant Agriculture, Shiraz University, Iran
4University of New England, Armidale, Australia
*Corresponding Author : Zahra-Hosseini Cici S
Payame Noor University, #32
Tohid Square, Karaj, Alborz, Iran
Tel: 026-32283001
Fax: 026-32283000
E-mail: [email protected]
Received May 28, 2014; Accepted December 12, 2014; Published December 14, 2014
Citation: Cici SZH, Sindel B, Adkins S, Hanan J (2015) Growth and Reproduction of Annual Sowthistle (Sonchus asper L.) in Response to Environmental Light. Agrotechnol 4:134. doi:10.4172/2168-9881.1000134
Copyright: © 2015 Cici SZH, 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.
 

Abstract

Sowthistle (Sonchus asper L.) is believed to be a highly resource demanding species that spreads mainly by seeds. In this study, the effect of light availability on plant size and seed production was investigated. Sowthistle plants showed high phenotypic plasticity in their height, number of leaves, leaf length and number of branches per plant in relation to light availability. Seed mass production per plant ranged from >3.5 g in the control to less than 0.2 g in the 50% light availability treatment. It was concluded that changing the canopy architecture of crops can suppress growth and seed production in this plant. The results of this research can be used to develop models in crop-weed competition.

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