Exploring the impact of salinity on citrus (Citrus spp.) rootstock seed germination and seedling biomass

IF 0.3 4区农林科学 Q4 AGRICULTURE, MULTIDISCIPLINARY

Indian Journal of Agricultural Sciences Pub Date : 2023-09-26 DOI:10.56093/ijas.v93i9.139270

None REETIKA, R P S DALAL, None SOURABH, VIVEK BENIWAL, ANKIT GAVRI, SANJAY KUMAR, RAVI GAUTAM, DESH RAJ CHOUDHARY

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引用次数: 0

Abstract

An experiment was conducted at the screen house of the Department of Horticulture, CCS Haryana Agricultural University, Hisar, Haryana during 2018–19 and 2019–20 to assess the impact of 5 different salinity levels [0.07 (control), 2.5, 4.0, 5.5, and 7.0 dS/m] on the seed germination and biomass of 9 citrus (Citrus spp.) rootstock seedlings (Rough lemon, Pectinifera, Cleopatra mandarin, Rangpur lime, Alemow, Volkamer lemon, NRCC-4, NRCC-3 and CRH-12). Experiment consisted of 45 treatment combinations and 3 replications in a completely randomized design (CRD). Under the influence of soil salinity, the number of days taken for seed germination, seed germination percentage, fresh and dry root and shoot biomass were adversely affected across all rootstocks compared to the control treatment (0.07 dS/m). Among the tested rootstocks, Volkamer lemon exhibited the highest seed germination rate (57%), followed by Rangpur lime (53%) and CRH-12 (50%). Conversely, Pectinifera showed the lowest seed germination percentage (37%), followed by Alemow (43%) at 7 dS/m. The minimum reduction at 7 dS/m over control in fresh shoot and root and dry shoot and root biomass was observed in Rangpur lime (37.7, 16.2, 27.8 and 27.3%, respectively), followed by Volkamer lemon (38.0, 16.2, 28.3 and 28.5%, respectively). On the other hand, Pectinifera exhibited the highest reduction in biomass (51.9, 40.5, 47.0 and 43.9%, respectively), followed by Alemow (45.7, 30.9, 46.5 and 39.9%, respectively). Among all the rootstocks, Rangpur lime, Volkamer lemon and Cleopatra mandarin displayed better tolerance to salinity, exhibiting relatively lower reduction in biomass at the highest salinity level (7 dS/m) compared to the control. Cleopatra mandarin, Rough lemon and NRCC-3 showed a moderate response, while Pectinifera, NRCC-4, and Alemow were found to be less tolerant, exhibiting higher reduction in terms of count of seed germination days, seed germination percentage, fresh and dry root biomass, and shoot biomass at 7 dS/m compared to the control treatment.

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探讨盐度对柑桔砧木种子萌发和幼苗生物量的影响

本试验于2018 - 2019年和2019 - 2020年在哈里亚纳邦希萨邦CCS农业大学园艺系筛选室进行，评估了5种不同盐度水平[0.07(对照)、2.5、4.0、5.5和7.0 dS/m]对9种柑橘(citrus spp.)砧木幼苗(粗柠檬、果粉、克利奥帕特拉柑橘、Rangpur lime、Alemow柠檬、Volkamer柠檬、NRCC-4、NRCC-3和CRH-12)种子萌发和生物量的影响。试验采用完全随机设计(CRD)， 45个治疗组合，3个重复。土壤盐度影响下，所有砧木种子萌发天数、种子发芽率、鲜干根和地上部生物量均较对照(0.07 dS/m)显著下降。在供试砧木中，Volkamer柠檬的种子发芽率最高(57%)，其次是Rangpur lime(53%)和CRH-12(50%)。果胶属种子萌发率最低(37%)，Alemow次之(43%)，萌发率为7 dS/m。与对照相比，7 dS/m处理下，让布尔石灰鲜梢和根、干梢和根生物量降幅最小(分别为37.7%、16.2%、27.8%和27.3%)，其次是沃卡默柠檬(38.0%、16.2%、28.3%和28.5%)。果胶菇生物量降幅最大(分别为51.9、40.5、47.0和43.9%)，Alemow次之(分别为45.7、30.9、46.5和39.9%)。在所有砧木中，朗布尔石灰、Volkamer柠檬和克莉奥帕特拉柑表现出较好的耐盐性，在最高盐度水平(7 dS/m)下，生物量的减少相对较少。柑橘艳后、粗柠檬和NRCC-3表现出中度反应，果胶、NRCC-4和Alemow表现出较弱的耐受性，在7 dS/m处理下，其种子萌发天数、种子发芽率、鲜干根生物量和地上部生物量均较对照降低。

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来源期刊

Indian Journal of Agricultural Sciences 农林科学-农业综合

CiteScore

0.80

自引率

25.00%

发文量

273

审稿时长

6 months

期刊介绍： The Indian Journal of Agricultural Sciences publishes papers concerned with the advancement of agriculture throughout the world. It publishes original scientific work related to strategic and applied studies in all aspects of agricultural science and exploited species, as well as reviews of scientific topics of current agricultural relevance. Specific topics of interest include (but are not confined to): genetic resources, all aspects of crop improvement,crop production,crop protection, physiology, modeling of crop systems, the scientific underpinning of agronomy, engineering solutions, decision support systems, land use, environmental impacts of agriculture and forestry, impacts of climate change, rural biodiversity, experimental design and statistical analysis, the application of new analytical and study methods (including molecular studies) and agricultural economics. The journal also publishes book reviews. Articles are accepted on the following broad disciplines: Agric. Engineering & Technology, Agric. Social & Economic Sci., Agronomy, Biometry, Biosciences, Cytology, Ecology, Environmental Sciences, Fertilization, Forestry , Genetics, Horticultural Sciences, Microbiology, Pest, Weed Control etc., Molecular Biology, Plant Pathology, Plant Breeding, Physiology and Biochemistry, Soil Sciences, Special Cultivation Technology, Stress Breeding, Agric. extension, and Cell Biology.