By Edited by M. Olofsdotter
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Additional info for Allelopathy in rice
Purvis (1990) reviewed the potential of allelopathy for weed control. Allelopathic rice cultivars could supplement the use of herbicides in direct seeding (Olofsdotter and Navarez 1996). Cultivars showing allelopathy against important rice weeds have been identified in the United States (Dilday et al 1991), Japan (Fujii 1992), Egypt (Hassan et al 1995), and the Philippines (Olofsdotter and Navarez 1996). ) P. ], but weakly affect the shoot (Navarez and Olofsdotter 1996). In Egypt, Hassan et al (1995) identified rice varieties that expressed allelopathic effects after plants reached the 3-leaf stage, and such varieties inhibited root development and emergence of the first or second leaf of E.
In: Hanson JN, Shaffer MJ, Ball DA, Cole CV, editors. Proceedings of Sustainable Agriculture for the Great Plains. , USA): Department of Agriculture, Agricultural Research Services. p 193-201. Dilday RH, Lin J, Yan W. 1994. Identification of allelopathy in the USDA-ARS rice germplasm collection. Australian J. Exp. Agric. 34:907-910. Elmore CD. 1980. Inhibition of turnip (Brassica rapa) seed germination by velvetleaf (Abutilon theophrasti) seed. Weed Sci. 28:658-660. Fay PK, Duke WB. 1977. An assessment of allelopathic potential in Avena germplasm.
Kern. Allelopathic potential has been reported in some of the world's worst weeds (Einhelling 1995). In Thailand, Harada (1992) found that A. bacifera controlled weeds when incorporated into the soil before seeding. The challenge to weed research is to develop control strategies that maintain or enhance farm profits while safeguarding the environment and human health (Moody 1995). The objectives of this study were (1) to identify allelopathic rice varieties and (2) to develop appropriate and safe methods of suppressing weeds and their seeds in the soil.
Allelopathy in rice by Edited by M. Olofsdotter