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Pakistan Journal of Biological Sciences
  Year: 2010 | Volume: 13 | Issue: 6 | Page No.: 263-270
DOI: 10.3923/pjbs.2010.263.270
 
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Some Physiological Measurements on Growth, Pod Yields and Polyamines in Leaves of Chili Plants (Capsicum annuum cv. Hua Reua) in Relation to Applied Organic Manures and Chemical Fertilisers

J. Rapatsa and S. Terapongtanakorn

Abstract:
The experiment was carried out at the Faculty of Agriculture, Ubon Ratchathani University during November 2006 to July 2007. A Completely Randomized Design (CRD) with four replications was used. Six treatments were allocated into two experimental fields, i.e., field A, animal manures added soil. Field B, chemical fertilizers added soil and both fields have been used for chili cultivation for more than 5 years and they belong to Warin soil series (Oxic Paleustults). The results showed that mean values of soil pH and organic matter% of field A were much higher than field B but mean values of nitrogen% and phosphorus were much higher for field B than field A. Exchangeable potassium were inadequately available in all treatments. All treatments of field B gave excessive amounts of available phosphorus at a toxic level. T3 of field A gave higher plant height, total dry weight plant-1, pod fresh and dry weights plant-1 than T5 of field B. Of overall results in terms of growth and yields of chili plants, field A gave much better advantages over field B. The CO2 uptake and CO2 in leaves were higher for field A than field B. Polyamines of putrescine (Put), spermidine (Spd) and spermine (Spm) of T2 were affected by stress conditions due to previous applied chemical fertilisers. Available phosphorus mean values in most treatments were excessively available. Amounts of polyamines in chili leaves due to the added organic manure and chemical fertilizers (T3 up to T6) were not cleared.
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How to cite this article:

J. Rapatsa and S. Terapongtanakorn, 2010. Some Physiological Measurements on Growth, Pod Yields and Polyamines in Leaves of Chili Plants (Capsicum annuum cv. Hua Reua) in Relation to Applied Organic Manures and Chemical Fertilisers. Pakistan Journal of Biological Sciences, 13: 263-270.

DOI: 10.3923/pjbs.2010.263.270

URL: https://scialert.net/abstract/?doi=pjbs.2010.263.270

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