印度西北部不同温度胁迫下鹰嘴豆叶片特性及其对种子产量的贡献

IF 0.8 4区 生物学 Q3 AGRONOMY Legume Research Pub Date : 2023-10-10 DOI:10.18805/lr-5227
Ajeev Kumar, Neeraj Kumar, Sarita Devi, Anil Kumar Dhaka, Preeti .
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引用次数: 0

摘要

背景:由于气候变化对全球作物生产的影响,温度胁迫(热或冷)正成为人们关注的主要领域。鹰嘴豆叶片对温度变化最敏感,因此任何温度变化(高或低)都会导致植物细胞生理过程的破坏,从而导致产量的重大损失。因此,为了在当前气候变化条件下实现鹰嘴豆的最大产量,更好地了解鹰嘴豆叶片的胁迫诱导反应以及种子产量与叶片性状之间的相互关系是有益的。方法:选取10个基因型的鹰嘴豆,连续2年(2017-2019)在印度希萨尔乔杜里·查兰·辛格哈里亚纳农业大学豆类科进行田间试验,研究50%花期(80-90 DAS)叶片的各项性状。通过操纵播种日期,即10月15日(哈里亚纳邦的早播条件)、11月15日(哈里亚纳邦的正常播种条件)和12月15日(哈里亚纳邦的晚播条件)来施加温度胁迫(冷或热)。记录早播作物温度(低于5℃,持续7天)和晚播作物温度(大于35℃,持续7天)时的数据。结果:早播作物在12 - 1月经历低温胁迫,晚播作物在3 - 4月经历高温胁迫。叶片参数最大值出现在11月15日,最小值出现在12月15日,种子产量在10月15日和11月15日之间无显著差异,但播种期进一步推迟到12月15日,种子产量显著降低。在基因型中,H12-64和H13-01叶片参数和种子产量最大,H14-04最小。10月15日和11月15日播时与各性状均呈显著正相关,12月15日播时与各性状无显著正相关。
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Studies on Leaf Characteristics of Chickpea (Cicer arietinum L.) and Their Contribution to Seed Yield under Different Temperature Stress in North West India
Background: Temperature stress (heat or cold) is becoming a major area of concern due to climate change affecting crop production worldwide. Chickpea leaves are most sensitive to variation in temperature so any variation in temperature (High or Low) causes substantial losses in yield due to disruption in physiological processes of the plant cell. Therefore to achieve maximum production under current scenario of climate change a better understanding of stress induced responses in leaves of chickpea and interrelationship between seed yield and leaf traits can prove to be useful. Methods: The field trials was conducted with ten genotypes of chickpea for two consecutive years (2017-2019) at Pulses Section, Chaudhary Charan Singh Haryana Agricultural University, Hisar to study various traits of leaf at 50% flowering stage (80-90 DAS). Temperature stress (cold or heat) was given by manipulating the sowing dates that is 15th October (early sown condition in Haryana), 15th November (Normal sown condition in Haryana) and 15th December (late sown condition in Haryana). Data were recorded when temperature was ( less than 5°C for 7 days) in early sown and ( greater than 35°C for 7 days) in late sown crops. Result: Results indicated that early sown crops experienced low temperature stress in the month of December-January while late sown crops showed high temperature stress in the month of March- April. The maximum values of leaf parameters were found in crops sown on 15th Novemberand minimum in15th December sown crops and no significant differences in seed yield was recorded between 15th October and 15th November sowing, however, further delay in sowing to 15th December showed significant reduction in seed yield. Among genotypes maximum leaf parameters and seed yield were observed in H12-64 and H13-01 while minimum were found in H14-04. Seed yield exhibited significant positive correlation with all traits in 15th October and 15th November sowing while non-significant was on 15th December sowing.
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来源期刊
Legume Research
Legume Research AGRONOMY-
CiteScore
1.30
自引率
37.50%
发文量
256
审稿时长
6-12 weeks
期刊介绍: Legume Research An International Journal. The Journal is an official publication of Agricultural Research Communication Centre. It is designed to bring out the original research articles on genetics, breeding, physiology, bacterial avtivity, production, quality, biochemistry and seeds of legumes crops. The objective of the journal is to serve as a forum for scientific community to publish their research findings on legumes ans to provide basis for new research. Journal is being scanned in the important indexing and abstracting services.
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