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Title  : 

Repellent Plants and Seed Treatments for Organic Vegetable Soybean Production
Authors
 :  Sandra Arifin Aziz1*, Agus Yudhi Pardiyanto1, & Meity Suradji Sinaga2
Corporate



 		 :



 

1Department of Agronomy and Horticulture, Faculty of Agriculture, Bogor Agricultural University, Jl. Meranti, Kampus IPB Darmaga 16680, Indonesia
2Department of Plant Protection, Faculty of Agriculture, Bogor Agricultural University, Jl. Kamper, Kampus IPB Darmaga 16680, Indonesia
*Email: This email address is being protected from spambots. You need JavaScript enabled to view it.

Issue Date : 2011
Publisher : Indonesian Journal of Agronomy
Series / Report No :
 		 ISSN: 2085-2916
 
Physical Description :
 		 2011 Vol. 39 No. 1, p 13-18
 
Language : id
Abstract























 		 :























 		 The research was conducted to study the effect of repellent plants and seed treatments on growth and production of organically grown vegetable soybean. The experiment was carried out at Cikarawang Research Station, Bogor, from September 2005 to May 2006. The organic experiment was arranged in a split plot design using four species of companion plants as repellent plants, i.e. Tagetes erecta, Cymbopogon nardus, Ocimum gratissimum, Tephrosia vogelii, and without repellent plants as the main plot, and seed treatments i.e. galangal oil, Pseudomonas fluorescens, and without seed treatments as sub plot using 3 replications and conventional system (using pesticides) as control. Plants grown under conventional system had a greater fresh pod weight (6.7 kg. 10 m-2) than those in organic system (4.80-5.79 kg. 10 m-2), a lower insect infestation (19.17, 22.92 and 32.50%) and disease prevalence (9.17, 11.42 and 14.42%), at 6, 7 and 8 Week After Planting (WAP) respectively, than the organic system. In the organic experiment, the use of O. gratissimum as repellent plants resulted in a signifi cantly lowest empty pod per plant (0.79 g). T. erecta and O. gratissimum without seed treatment, P. fluorescens without repellent plants, and T. vogelii with galangal oil seed treatment has the signifi cant lowest insect infestation at 6 WAP of 20.67, 23.00, 26.67 and 27.33%, respectively. An organic system using repellent plants had a signifi cantly lower insect infestation at 8 WAP (35.67-40.33%, O. gratissimum being the lowest) than without repellent plants (50.56%). Seed treatments on organic system had the lower disease prevalence at 8 WAP (33.87% on P. fluorescens and 35.47% on galangal oil) than without seed treatments (37.73%). Number of root nodules (11.6-16.7 to 7.8) and root nodules dry weight (0.068- 0.101 to 0.040 g) of the organic system were greater than the conventional system. Soybean without repellent plants had a greater number of harvestable plants (137.3), but it was fewer than the conventional system (158.3).
Source url
 		 :
 

http://biofarmaka.ipb.ac.id/publication/journal/105-repellent-plants-and-seed-treatments-for-organic-vegetable-soybean-production
Mesh :

 
Keywords  :  disease and pest control, seed treatments, organic vegetable soybean
How to cite this article
 		 :


 		 Aziz, S.A., A.Y. Pardiyanto, & M.S. Sinaga. 2011. Repellent Plants and Seed Treatments for Organic Vegetable Soybean Production. Indo J Agron, 39(1): 13-18.
url: http://biofarmaka.ipb.ac.id/publication/journal/105-repellent-plants-and-seed-treatments-for-organic-vegetable-soybean-production
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