دورية أكاديمية
Effect of elevated temperature and carbon dioxide on wheat (Triticum aestivum) productivity with and without weed interaction
| العنوان: | Effect of elevated temperature and carbon dioxide on wheat (Triticum aestivum) productivity with and without weed interaction |
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| المؤلفون: | SUDHA KANNOJIYA, S D SINGH, SHIV PRASAD, SANDEEP KUMAR, LAL CHAND MALAV, VINOD KUMAR |
| المصدر: | The Indian Journal of Agricultural Sciences, Vol 89, Iss 5 (2019) |
| بيانات النشر: | Indian Council of Agricultural Research, 2019. |
| سنة النشر: | 2019 |
| المجموعة: | LCC:Agriculture |
| مصطلحات موضوعية: | Carbon dioxide, Elevated temperature, Weed, Wheat yield, Agriculture |
| الوصف: | Wheat (Triticum aestivum L.) crop is one of the most valuable crops, and further boost in wheat yields is essential to meet the food demand of the emerging world population. It is therefore necessary to know the influence of future climate change on wheat yields. Present investigation was conducted in temperature gradient tunnel (TGTs) to evaluate the effects of elevated temperature, CO2 concentration,weed and their interactions on grain, biological yield and other yield attributes (number of spikes/m2, number of spikelets/spike, number of grains/spike and 1000-grain weight, harvest index) of wheat. Wheat crop was grown in TGT at three different temperature levels, i.e. T1 ambient, T2 ambient+1.5°C, T3 ambient+3°C and two levels of carbon dioxide, i.e. ambient (ACO2) 400 ppm and elevated (ECO2) 550±50 ppm with and without weed interaction.The study revealed that yield and yield attributes of subsequent wheat crop increased due to ECO2. Mean individual effect of ECO2 increased grain yield of wheat by 14% and biological yield by 12% compared to ACO2. On the contrary, the yield was decreased with elevated temperature where a decrease in the grain yield from Ë—12% to Ë—20% and biological yield from Ë—11% to Ë—18% was observed at 1.5°C and 3°C, respectively. Similarly the interaction of weeds in wheat crop, reduced the grain yield by 8% and biological yield of wheat by 6%, irrespective of CO2 and temperature levels.The statistical analysis (P |
| نوع الوثيقة: | article |
| وصف الملف: | electronic resource |
| اللغة: | English |
| تدمد: | 0019-5022 2394-3319 |
| Relation: | https://epubs.icar.org.in/index.php/IJAgS/article/view/89641; https://doaj.org/toc/0019-5022; https://doaj.org/toc/2394-3319 |
| DOI: | 10.56093/ijas.v89i5.89641 |
| URL الوصول: | https://doaj.org/article/0040301de164475ba2e2ba5d7377806c |
| رقم الأكسشن: | edsdoj.0040301de164475ba2e2ba5d7377806c |
| قاعدة البيانات: | Directory of Open Access Journals |
Full Text Finder | تدمد: | 00195022 23943319 |
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| DOI: | 10.56093/ijas.v89i5.89641 |