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Asian Journal of Plant Sciences
  Year: 2008 | Volume: 7 | Issue: 4 | Page No.: 352-359
DOI: 10.3923/ajps.2008.352.359
 
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Influence of Adventitious Root Removing and Timing of Fertilizer Application in Flooded Soil on Growth, Yield and N, P, K Uptake of Kenaf (Hibiscus cannabinus L.) Under Greenhouse and Field Conditions

A. Polthanee and T. Changdee

Abstract:
A greenhouse experiment was conducted in Department of Plant Science and Agricultural Resources, Faculty of Agriculture, Khon Kaen University in 2005. The objective of this study were to investigate the effects of adventitious root removing and timing of fertilizer application on growth, yield and nutrient uptake of kenaf (Hibiscus cannabinus L.). The results showed that removing adventitious roots from the plant significantly reduce in growth, yield and nutrient uptake of kenaf in comparison with no adventitious root removing. Splitting chemical fertilizer application as basal at planting, combined with top dressing at 60 days after planting during adventitious root forming in flooded soil did not show any significant difference in fiber yield in comparison with once application as basal at planting. A field experiment was conducted in Ban Muong village, Muang district in Khon Kaen province in 2005-2006. The objective of this study was to investigate the effects of timing of fertilizer application on growth, yield and nutrient uptake of kenaf (Hibiscus cannabinus L.). The results showed that splitting chemical fertilizer application as basal at planting, combined with top dressing at 60 days after planting significant increase in fiber yield as compared to once basal application at planting or once top dressing at 60 days after planting. The new finding indicate that the response of adaptive adventitious roots (water roots) of economic kenaf crops to flooding stress mainly affects nutrient uptake, similar to the aquatic roots of wetland plants.
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How to cite this article:

A. Polthanee and T. Changdee, 2008. Influence of Adventitious Root Removing and Timing of Fertilizer Application in Flooded Soil on Growth, Yield and N, P, K Uptake of Kenaf (Hibiscus cannabinus L.) Under Greenhouse and Field Conditions. Asian Journal of Plant Sciences, 7: 352-359.

DOI: 10.3923/ajps.2008.352.359

URL: https://scialert.net/abstract/?doi=ajps.2008.352.359

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