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Arthi Rani, B.
- Effect of Elevated Temperature on Rice Phenology and Yield
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Authors
Affiliations
1 Agro Climate Research Centre, Tamil Nadu Agricultural University, Coimbatore-3, IN
2 Agro Climate Research Centre, Tamil Nadu Agricultural University, Coimbatore-3, IN
1 Agro Climate Research Centre, Tamil Nadu Agricultural University, Coimbatore-3, IN
2 Agro Climate Research Centre, Tamil Nadu Agricultural University, Coimbatore-3, IN
Source
Indian Journal of Science and Technology, Vol 6, No 8 (2013), Pagination: 5095-5097Abstract
At present in the context of climate change, temperature is one of the most important environmental factors influencing the rice crop growth, development, and yield. The duration of each phenological stage is influenced by temperature which has direct impact on yield. The objective of this study is to provide an overview of the influence of elevated temperature on rice phenology and accumulated growing degree days. The experiment was conducted during Kharif 2012 under temperature control chamber, in which temperature is elevated from the ambient level (2°C and 4°C) for the entire crop growth period. The results showed that the days taken to attain maturity was less under elevated temperature of 4°C (96 days) and 2°C (102 days) when compared to the ambient temperature (108 days). The accumulated growing degree days were higher under elevated temperature of 4°C and nearer value for 2°C viz., 1641 and 1583 respectively from that of ambient. Under elevated temperature of 4°C and 2°C, the grain yield was 23 and 13.3 percent less from the ambient. The highest grain yield is from the treatment under ambient temperature with 6.2 t/ha followed by 5.3t/ha under 2oC level and 4.7 t/ha at 4oC level. The yield loss under elevated temperature is due to the sterile florets and lesser crop duration.Keywords
Rice, Elevated Temperature, Phenology, Accumulated Degree Days and YieldReferences
- Gao L, Jin Z et al. (1992). Rice clock model: a computer model to simulate rice development, Agricultural and Forest Meteorology, vol 60(1–2), 1–16.
- IPCC (Intergovernmental Panel on Climate Change) (2007). Climate change and its impacts in the near and long term under different scenarios, Climate Change 2007: Synthesis Report, The Core Writing Team, R K Pachauri, A Reisinger Eds., Geneva, Switzerland: IPCC, 43–54.
- Iwata F (1984). Heat unit concept of crop maturity, Physiologi-cal aspects of dry land farming, Gupta U.S. Eds, Oxford and IBH publishers, New Delhi, 351–370.
- Khush G S (1997). Origin, dispersal, cultivation, and variation of rice, Plant molecular biology, vol 35(1–2):25–34.
- Lalitha K, Reddy D R et al. (1999). Influence of temperature and sunshine hours on tiller production in lowland rice varieties, Journal of Agrometeorology, vol 1, 187–190.
- Peng S, Huang J et al. (2004). Rice yields decline with higher night temperature from global warming, Proceedings of the National Academy Sciences, USA, vol 101, No. 27, 9971–9975.
- Ramaraj A P, Jagannathan R et al. (2013). Climate change and rice crop duration, Journal of Agrometeorology, vol 15 (Special Issue-I), 189–191.
- Sheehy J E, Elmido A et al. (2005). Searching for new plant for climate change, Journal of Agricultural Meteorology, vol 60, 463–468.
- Singh S (2001). Growth, yield and biochemical response of rice genotype to low light and high temperature-humidity stress, Oryza, vol 37(1), 35–38.
- Sinha A K and Swaminathan M S (1991). Long-term climate variability and changes, Journal of Indian Geographical Union, vol 7(3), 125–134.
- Venkatramanan V and Singh S D (2009). Differential effects of day and night temperature on the growth of rice crop, Pusa AgriScience, vol 32, 57–62.
- Weerakoon W M W, Maruyama A et al. (2008). Impact of humidity on temperature-induced grain sterility in rice (Oryza sativa L), Journal of Agronomy and Crop Science, vol 194(2), 135–140.
- Yoshida S (1981). Fundamentals of rice crop science, Climate and rice, Los Banos (Philippines): International Rice Research Institute, 87–88.
- Ziska E, Fraser D et al. (1997). Assessing risks of climate variability and climate change for rice, Science, vol 240, 996–1002.
- Population Dynamics and Bio-Intensive Management of Sorghum Midge, Contarinia sorghicola (Coquillett) in Sorghum under Southern Tamil Nadu
Abstract Views :172 |
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Authors
Affiliations
1 Agricultural Research Station (T.N.A.U.), Kovilpatti (T.N.), IN
1 Agricultural Research Station (T.N.A.U.), Kovilpatti (T.N.), IN
Source
International Journal of Plant Protection, Vol 10, No 1 (2017), Pagination: 167-173Abstract
Surveys on distribution of sorghum midge at southern region of Tamil Nadu during 2011 to 2014 indicated that, midge observed in all areas of three districts. Effect of abiotic factors on sorghum midge revealed that maximum, minimum temperature, wind velocity and sunshine were positive while maximum, minimum relative humidity and rainfall showed negative correlation. Among bio-intensive management strategies, Neem oil 3 per cent showed maximum reduction (63.36), minimum midge incidence/5 panicle (17.5) and maximum grain yield (2498 kg/ha) when compared to control (244 kg/ha). The highest incremental cost benefit ratio (ICBR) obtained in Neem seed kernel extract (NSKE) 5 per cent (1:24.7) followed by Neem leaf extract 5 per cent (1:22.3) treated plots.Keywords
Sorghum, Midge, Contarinia sorghicola, Survey, Population Dynamics, Bio-Intensive Management.References
- AICSIP (All India Coordinated Sorghum Improvement Project) (2009 -2010). Progress reports of the All India Coordinated Sorghum Improvement Project, Indian Council of Agricultural Research, NEW DELHI, INDIA.
- Anandhi, P., Saravanan, L., Ramtake, P.W., Elamathi, S.,Simon, Sobita and Varma, Savita (2012).Characterization of native Bacillus thuringiensis (Berliner) isolates from India. Natl. Acad. Sci. Lett., 35: 243-247.
- Anandhi, P. and Sankarapandian, R. (2013). IPM module for sorghum pest management, In: Patil, J.V., Chapke, R.R., Mishra, J.S., Umakanth, A.V. and Hariprasanna, K. (Eds.), Sorghum cultivation- A compendium of improved technologies. Vol. I, Directorate of Sorghum research, Hyderabad, India. pp.105.
- Anandhi, P., Saravanan, L., Elamathi, S., Ramtake, P.W., Varma, Savita and Simon, Sobita (2013). Native Bacillus thuringiensis berliner isolates with a wide spectrum of activities against cruciferous pests from diverse habitats of India. Biol. Agric. Hort., 29 (3): 209-218.
- Anandhi, P., Bagwat, V. R., Elamathi, S., Gailce, Leo Justin, C. and Jawahar, D. (2015). Evaluation of Indian popular varieties and validation of integrated pest management strategies against major pests of sorghum, Proceedings of the National Academy of sciences: Biological Sciences, ISSN 0369-8211, DOI 10.1007/s40011-015-0593-yPublished on line on 17 July. 2015.
- Baxendale, F. P., Teetes, G. L. and Sharpe, P. J. H. (1984a). Temperature–dependent model for dorghum midge (Diptera: Cecidomyiidae) spring emergence. Environ. Entomol., 13 (6): 1566 - 1571.
- Baxendale, F.P., Teetes, G.L. and Sharpe, P.J.H. (1984b). Temperature–dependent model for development of nondiapausing sorghum midge (Diptera: Cecidomyiidae). Environ. Entomol., 13 (6) : 1572-1576.
- Boyd, M.L. and Bailey, W.C. (2000). Sorghum midge in missouri insects and diseases. Agricultural Department of University of Missouri-Colombia.
- Castro, B.A., Riley, T.J. and Leonard, B.R. (2000).Evaluation of planting date, sorghum hybrid and insecticide treatment on sorghum midge (Diptera: Cecidomyiidae) management in Northeast Louisiana. J. Econ. Entomol., 93 (4): 1199-1206.
- Fisher, R.W. and Teetes, G. L. (1982). Effects of moisture on sorghum midge (Diptera: Cecidomyiidae) emergence. Environ. Entomol., 2 : 946-948.
- Fletcher, T.B. (1914). Some South Indian insects. Madras, India: Government Press. 565 pp.
- Franzmann, B.A. and Hardy, A.T. and Murray, D.A.H. and Henzell, R.G. (2008). Host-plant resistance and biopesticides: Ingredients for successful integrated pest management (IPM) in Australian sorghum production. Australian J. Experimental Agric., 48 (12) : 1594-1600.
- Gomez, K.A. and Gomez, A.A. (1984). Statistical procedures for agricultural research. John Wiley and Sons, NEWYORK, U.S.A.
- Jotwani, M.G. (1982). Factors reducing sorghum yields: Insect pests. In: Sorghum in the eighties: Proceedings of the International Symposium on sorghum, 2-7 Nov. 1981, ICRISAT Center, India. Vol.1. Patancheru, A.P. 502 324, India: International Crops Research Institute for the Semi- Arid Tropics, pp. 251- 255.
- Natarajan, N. and Chelliah, S. (1985). Studies on the sorghum midge, Contarinia sorghicola Coquillett in relation to environmental influence. Tropi. Pest Mgmt., 31: 276 -285.
- Patel, J. R. and Jotwani, M.G. (1986). Effect of ecological factors on the incidence and damage by sorghum midge, Contarinia sorghicola. Indian J. Entomol., 48 : 220- 222.
- Pendleton, B.B. and Teetes, G.L. (1994). Sorghum midge dispersal from sorghum. Southwestern Entomologist, 19(1): 1-9.
- Sharma, H.C. and Vidyasagar, P. (1992O). rientation of males of sorghum midge, Contarinia sorghicola to sex pheromones from virgin females in the field. Entomologia Experimentalis et Applicata, 64 (1): 23–29.
- Teetes (1995). Integrated pest management of sorghum midge in USA, In: panicle insect pests of sorghum and pearl millet: proceedings of an International Consultative workshop, 4-7 Oct 1993, ICRISAT Sahelian Centre, Niamey, Niger (Nwane, K.F., and Youm, O., eds.). Patancheru 502 324, Andra Pradesh, India; International Crops Research Institute for the semi – Arid Tropics, pp. 253-262.
- Teetes, G.L., Peterson, G.C., Nwanze, K.F. and Pendleton, B.B. (1999). Genetic diversity of sorghum: A source of insectresistant germplasm, In: Stephen L. Clement and Sharron S. Quisenberry [eds.], Global plant genetic resources for insectresistant crops. CRC Press, Boca Raton, FL, pp. 63-82.