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Effect of Fertilization by Ammonium Sulphate and Naphthalene Acetic Acid Spraying on the Growth , Yield Components and Medical Substance ‘Glutathione’ for Onion Crop (Allium cepa L.) | ||
| journal of kerbala university | ||
| Article 1, Volume 3, Issue 2, 2007, Pages 284-293 PDF (0 K) | ||
| Abstract | ||
| This experiment was conducted at Babylon Governorate in AL-Musaib farms during the growth season of 2004/2005 to study the effect of fertilization by Ammonium Sulphate NH4(SO4)2 at levels (0 , 90 and 180 kg/D) and spraying by Naphthalene Acetic Acid (NAA) at concentration (0 , 75 , 100 and 150 mg/L) for one time at vegetative growth (after 50 days of rise) on growth , yield components and Glutathione content of onion crop (Allium cepa L.) variety Local red .The random complete block design was used at split-plot three times . The means were compared according to (Duncan’s Multiple Range Test) at probability of 5% . Results showed that Fertilization at level (90 kg/D) effected significantly on characters of (Leaves number , shoot dry weight , total chlorophyll , bulb diameter , bulb wet weight , total yield , percentages of protein and total soluble solid ) which gave heighest means . Meanwhile , the level (180 kg/D) gave significant superiority in leaf length , percentages of carbohydrates and bulb contents of medical substance . And the results showed that spraying by NAA with 150 mg/L concentration effected significant on most study characters except on leaf length , percentages of carbohydrates and bulb contents of medical substance , which appeared significant effect when treating with 100 mg/L NAA .The interaction (90 kg/D Ammonium sulphate with 150 mg/L of NAA) suggested the highest means of the characters (Leaves number , shoot dry weight , total chlorophyll , bulb diameter , bulb wet weight , total yield , percentages of protein and total soluble solid ) while the interaction (180 kg/D Ammonium Sulphate and 100 mg/L NAA) give the highest means of the characters (leaf length , percentages of carbohydrates and bulb contents of medical substance) compared with comparing treatment which give the least means . | ||
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