Relationship of manganese with iron and zinc with respect to latex yield and composition in opium poppy (Papaver somniferum Linn) under two fertility conditions |
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| Authors: | M. Anwar D. D. Patra A. K. Mukhopadhyay D. V. Singh |
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| Affiliation: | (1) Central Institute of Medicinal and Aromatic Plants, RSM Nagar, Post Bag No. 1, 226016 Lucknow, India;(2) BCKV, 741252 Mohanpur, West Bengal, India |
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| Abstract: | Two different field experiments were conducted for two years during 1985–86 and 1986–87 to study the relationship of Mn (0, 15 and 30 kg ha–1) with Fe (0, 15 and 30 kg ha–1) and Zn (0, 10 and 20 kg ha–1) under two fertility (NPK) conditions on yield and quality of opium poppy. The main effect of these micronutrients with respect to latex yield was highest at 15 kg ha–1 of Mn or Fe and 10 kg ha–1 Zn. Increasing the level beyond that resulted in reduction in latex yield. Highest response was observed when 15 kg ha–1 Mn was applied with either 15 kg ha–1 Fe or 10 kg ha–1 Zn. Morphine, codeine, narcotine and thebaine content of the latex was highest with 15 kg Mn, 15 kg Fe or 10 kg ha–1 Zn or the combined application of 15 kg Mn with 15 kg Fe or 10 kg Zn ha–1.CIMAP Publication No. 961 |
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| Keywords: | Alkaloids fertility iron manganese Papaver sominferum L. zinc |
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