Impact of western disturbances on wheat (Triticum aestivum L.) crop in Punjab

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dc.contributor.advisorGill, K.K.
dc.contributor.authorSatinder Kaur
dc.date.accessioned2020-11-02T04:53:53Z
dc.date.available2020-11-02T04:53:53Z
dc.date.issued2020
dc.description.abstractThe present study entitled “Impact of western disturbances on wheat (Triticum aestivum L.) crop in Punjab” was carried out using and analyzing historical data, conducting field experiment and validating data using SPSS software. Data pertaining to historical weather parameters were studied for different districts of Punjab- Amritsar, Ludhiana, Bathinda, Ballowal, Faridkot and Patiala which showed that on an average for all the districts under study maximum onset and withdrawal of monsoon was observed in October and May, respectively. Further, total number of western disturbances was observed maximum in Day 1, followed by Day 2 and decreases subsequently. In addition to this it was also found that western disturbances was higher in January, February and March in comparison to other months of the growing season mostly in all the districts. Field experiment was conducted for two consecutive years during the rabi seasons of 2017-18 and 2018-19 at three locations, namely, Ballowal Saunkri, Ludhiana and Faridkot. The experiment was replicated thrice in a factorial split plot design with nine combinations of dates of sowing (25th October, 15th November and 5th December) and three varieties (WH1105, Unnat PBW550 and PBW590) in the main plots and two levels of irrigation (recommended and recommended± forecast based) in the subplots. Crop phenology was observed by visual observations. Micrometeorological parameters were recorded within the crop canopy at different phenological stages while biometric observations were recorded at 20 days interval. The results revealed that crop growth, yield and yield attributing characters were found highest under 15th November sowing at all the locations. Cultivar PBW590 found out to be poor performer when compared to other two varieties. Regression equations among different weather parameters and green yield of wheat were developed using SPSS software for different districts of Punjab in which R2 value ranged from 82.9 in Ludhiana to 99.9 in Bathinda. Further calibration and validation of data resulted in minimal error.en_US
dc.identifier.citationSatinder Kaur (2020). Impact of western disturbances on wheat (Triticum aestivum L.) crop in Punjab (Unpublished Ph.D. Dissertation). Punjab Agricultural University, Ludhiana, Punjab, India.en_US
dc.identifier.urihttps://krishikosh.egranth.ac.in/handle/1/5810154080
dc.keywordsWheat, dates of sowing, varieties, irrigation levels, western disturbances, wheat productivityen_US
dc.language.isoEnglishen_US
dc.pages249en_US
dc.publisherPunjab Agricultural University, Ludhianaen_US
dc.research.problemImpact of western disturbances on wheat (Triticum aestivum L.) crop in Punjaben_US
dc.subAgricultural Meteorologyen_US
dc.themeImpact of western disturbances on wheat (Triticum aestivum L.) crop in Punjaben_US
dc.these.typePh.Den_US
dc.titleImpact of western disturbances on wheat (Triticum aestivum L.) crop in Punjaben_US
dc.typeThesisen_US
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