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Sandhu, Sarabjot Kaur
- Microclimate Modification to Manage Yellow Rust Incidence in Wheat
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Authors
Affiliations
1 School of Climate Change and Agricultural Meteorology, Punjab Agricultural University, Ludhiana (Punjab), IN
1 School of Climate Change and Agricultural Meteorology, Punjab Agricultural University, Ludhiana (Punjab), IN
Source
International Journal of Plant Protection, Vol 9, No 2 (2016), Pagination: 450-454Abstract
The field experiment was conducted during Rabi seasons of 2012-13 and 2013-14 at the Research Farm, School of Climate Change and Agricultural Meteorology, Punjab Agricultural University, Ludhiana. Wheat varieties HD 2967, PBW 550 and PBW 343 were sown under two row direction viz., North-South (N-S) and East-West (E-W). Yellow rust incidence was recorded at weekly intervals. Among different row direction the disease incidence was higher under N-S row direction as compared to E-W row direction during both the years. Among three varieties HD 2967 was highly resistant to yellow rust. During both the years maximum temperature, minimum temperature and sunshine hours were positively correlated whereas morning and evening relative humidity were negatively correlated with yellow rust incidence. Highly significant value of R2 (0.95 and 0.93) was foundwhen maximum meteorological parameters were combined in PBW 343 in crop sown under North-South and East-West row direction, respectively.Keywords
Canopy Temperature, Relative Humidity, Wheat, Yellow Rust, Humid Thermal Ratio.
References
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- Effect of Weather Parameters on Yellow Rust Incidence of Wheat under Different Growing Environment
Abstract Views :194 |
PDF Views:0
Authors
Affiliations
1 School of Climate Change and Agricultural Meteorology, Punjab Agricultural University, Ludhiana (Punjab), IN
1 School of Climate Change and Agricultural Meteorology, Punjab Agricultural University, Ludhiana (Punjab), IN
Source
International Journal of Plant Protection, Vol 10, No 2 (2017), Pagination: 415-419Abstract
Yellow rust is the major wheat disease and is influenced by prevailing weather conditions. Field experiment was conducted to investigate the effect of weather parameters on yellow rust incidence under different growing environments. Wheat varieties HD 2967, PBW 550 and PBW 343 were sown under three row spacing viz.,15 cm, 22.5 cm and 30 cm. Yellow rust incidence was recorded at weekly intervals. Disease incidence was higher (100%) during Rabi 2012-13 as compared to 2013-14 (90%). Among different row spacing the disease incidence was maximum (100 %) in 15 cm row spacing followed by 22.5 cm and minimum in 30 cm spacing during both the years. Among three varieties HD 2967 was highly resistant to yellow rust. During both the years maximum temperature, minimum temperature and sunshine hours were positively correlated whereas morning and evening relative humidity were negatively correlated with yellow rust incidence. Highly significant value of R2 (0.91 and 0.92) was foundwhen maximum meteorological parameters were combined in PBW 550 and PBW 343, respectively.Keywords
Wheat, Yellow Rust, Row Spacing, Temperature, Relative Humidity.References
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- Dutta, Indrani, Dhaliwal, L. K., Mann, S. K. and Chahal, S. K. (2008). Effect of meteorological parameters on phenology, yield and yield contributing characteristics and yellow rust of wheat. J.Agrometeorol., 10 (1): 189-192.
- Friedrich, S. (1995). Modeling infection probability of powdery mildew in winter wheat by meteorological input variables. J. Plant Dis. Prot., 102 : 354-365.
- Huerta Espino, J., Singh, R. P., German, S., McCallum, B. D., Park, R.F. and Chen, W.Q. (2011). Global status of wheat leaf rust caused by Puccinia triticina. Euphytica 179: 143–160.
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- Lemaire, D., Huret, S., Calaym, F. and Maraite, H. (2002). Understanding P. striiformisWest. epidemics on winter wheat. Meded Rijksuniv Gent -Fak Landlbourwkd Toegep. Biol. Wet., 67 : 251-256.
- Murray, G., Wellings, C. and Simpfendorfer, S. (2005). Report on Stripe Rust: Understanding the disease in wheat, New South Wales Department of Primary Industries. pp. 1-12.
- Papastamati, K. Bosch and Van den, F. (2007).The sensitivity of the epidemic growth rate to weather variables, with an application to yellow rust on wheat. Phytopathol., 97( 2): 202-210.
- Rader, T., Racca, P., Jorg, E. and Hau, B. (2007). PUCREC/PUCTRIa decision support system for the control of leaf rust of winter wheat and winter rye. EPPO Bull., 37(2): 378–382.
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