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Inter-relationships between morphine and codeine in the Indian genetic resources of opium poppy Papaver Somniferum

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Title Inter-relationships between morphine and codeine in the Indian genetic resources of opium poppy Papaver Somniferum
 
Creator Bajpai, Suphla
Gupta, Ajay Prakash
Gupta, MM
Kumar, Sushil
 
Subject Papaver Somniferum
opium poppy
morphine and codeine
 
Description A set of 208 Indian and two Thai germplasm accessions of opium poppy Papaver somniferum were assessed for variation in 17 morphological characters, seed yield and content and yield of morphine from capsules and peduncles. The germplasm was found to be highly variable for all the characters evaluated. In the harvested peduncles and capsules, 13% was peduncle straw, 61% seeds and the rest capsule husk. The peduncle and capsule straw yields ranged between 0.6–2.2 and 1.4–5.3 g plant-1, respectively. Morphine content in the peduncle varied between about 0.001–0.24% and that in the capsule from 0.02 to 1.05%. On average basis morphine content in the capsule husk was more than 9-fold higher than the peduncle straw. The plant morphine yields from peduncles and capsules ranged between 1.2 and 28.6 mg plant-1. Four accessions yielded more than 20 mg of morphine plant-1. Among these, in one of the accessions about 13% of the morphine was contributed by the peduncle. The plants of high morphine yielding accessions were generally small in height, and bore white flowers and large sized ungrooved capsules with a small number of seeds, on a large peduncle.
 
Date 2013-10-17T11:15:44Z
2013-10-17T11:15:44Z
2002
 
Type Article
 
Identifier Journal of Herbs, Spokes and Medicinal Plants, 8(4): 75-81
http://hdl.handle.net/123456789/23
 
Language en
 
Publisher Taylor & Francis Group
 
Source http://www.tandfonline.com/doi/abs/10.1300/J044v08n04_08