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Genomic prediction and genome-wide association study using combined genotypic data from different genotyping systems: application to apple fruit quality traits. 利用来自不同基因分型系统的组合基因型数据进行基因组预测和全基因组关联研究:应用于苹果果实品质性状。
IF 7.6
园艺研究(英文) Pub Date : 2024-07-08 eCollection Date: 2024-07-01 DOI: 10.1093/hr/uhae131
Mai F Minamikawa, Miyuki Kunihisa, Shigeki Moriya, Tokurou Shimizu, Minoru Inamori, Hiroyoshi Iwata
{"title":"Genomic prediction and genome-wide association study using combined genotypic data from different genotyping systems: application to apple fruit quality traits.","authors":"Mai F Minamikawa, Miyuki Kunihisa, Shigeki Moriya, Tokurou Shimizu, Minoru Inamori, Hiroyoshi Iwata","doi":"10.1093/hr/uhae131","DOIUrl":"10.1093/hr/uhae131","url":null,"abstract":"<p><p>With advances in next-generation sequencing technologies, various marker genotyping systems have been developed for genomics-based approaches such as genomic selection (GS) and genome-wide association study (GWAS). As new genotyping platforms are developed, data from different genotyping platforms must be combined. However, the potential use of combined data for GS and GWAS has not yet been clarified. In this study, the accuracy of genomic prediction (GP) and the detection power of GWAS increased for most fruit quality traits of apples when using combined data from different genotyping systems, Illumina Infinium single-nucleotide polymorphism array and genotyping by random amplicon sequencing-direct (GRAS-Di) systems. In addition, the GP model, which considered the inbreeding effect, further improved the accuracy of the seven fruit traits. Runs of homozygosity (ROH) islands overlapped with the significantly associated regions detected by the GWAS for several fruit traits. Breeders may have exploited these regions to select promising apples by breeders, increasing homozygosity. These results suggest that combining genotypic data from different genotyping platforms benefits the GS and GWAS of fruit quality traits in apples. Information on inbreeding could be beneficial for improving the accuracy of GS for fruit traits of apples; however, further analysis is required to elucidate the relationship between the fruit traits and inbreeding depression (e.g. decreased vigor).</p>","PeriodicalId":57479,"journal":{"name":"园艺研究(英文)","volume":null,"pages":null},"PeriodicalIF":7.6,"publicationDate":"2024-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11228094/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141560393","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Il34 rescues metronidazole-induced impairment of spinal cord regeneration in zebrafish central nervous system. Il34能挽救甲硝唑诱导的斑马鱼中枢神经系统脊髓再生障碍。
Yi chuan = Hereditas / Zhongguo yi chuan xue hui bian ji Pub Date : 2024-06-20 DOI: 10.16288/j.yczz.24-083
Ji-Xiang Liu, Si-Ting Lai, Jing Bai, Jin Xu
{"title":"Il34 rescues metronidazole-induced impairment of spinal cord regeneration in zebrafish central nervous system.","authors":"Ji-Xiang Liu, Si-Ting Lai, Jing Bai, Jin Xu","doi":"10.16288/j.yczz.24-083","DOIUrl":"10.16288/j.yczz.24-083","url":null,"abstract":"<p><p>Metronidazole (MTZ), a commonly used anti-infective drug in clinical practice, has also been employed as a prodrug in cell-targeted ablation systems in scientific research, exhibiting significant application value. However, it has been demonstrated that MTZ can induce neurotoxic symptoms to some extent during its use, and there is currently a lack of effective means to circumvent its toxicity in both clinical and research settings, which limits its application. Therefore, exploring the specific mechanisms underlying MTZ-induced neurotoxic symptoms and elucidating countermeasures will enhance the practical value of MTZ. In this study, using a zebrafish spinal cord injury regeneration model, we confirmed that MTZ neurotoxicity leads to impaired axon regeneration in the central nervous system. By overexpressing <i>il34</i> in the central nervous system of zebrafish, we eliminated the inhibitory effect of MTZ on axonal regeneration and demonstrated that the pro-regenerative effect against MTZ neurotoxicity is not caused by excessive macrophages/microglia chemoattracted by interleukin 34(Il34). Transcriptome sequencing analysis and GO enrichment analysis of differentially expressed genes between groups revealed that Il34 may counteract MTZ neurotoxicity and promote spinal cord injury repair through biological processes that enhance cellular adhesion and cell location. In summary, our work uncovers a possible cause of MTZ neurotoxicity and provides a new perspective for eliminating MTZ toxicity.</p>","PeriodicalId":35536,"journal":{"name":"Yi chuan = Hereditas / Zhongguo yi chuan xue hui bian ji","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141421209","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Retraction notice to "Tip60-FOXO regulates JNK signaling mediated apoptosis in Drosophila" [Yi Chuan 46(6) (2024) 490-501]. Tip60-FOXO调控果蝇中JNK信号介导的细胞凋亡》的撤稿通知[《易传》46(6) (2024) 490-501]。
Yi chuan = Hereditas / Zhongguo yi chuan xue hui bian ji Pub Date : 2024-06-20 DOI: 10.16288/j.yczz.24-095
{"title":"Retraction notice to \"Tip60-FOXO regulates JNK signaling mediated apoptosis in <i>Drosophila</i>\" [Yi Chuan 46(6) (2024) 490-501].","authors":"","doi":"10.16288/j.yczz.24-095","DOIUrl":"https://doi.org/10.16288/j.yczz.24-095","url":null,"abstract":"","PeriodicalId":35536,"journal":{"name":"Yi chuan = Hereditas / Zhongguo yi chuan xue hui bian ji","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141493650","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Progress on the role of LIN28A/B in tumor development and progression. LIN28A/B 在肿瘤发生和发展中的作用研究取得进展。
Yi chuan = Hereditas / Zhongguo yi chuan xue hui bian ji Pub Date : 2024-06-20 DOI: 10.16288/j.yczz.24-056
Yi-Wen Zhang, Qin Huang, Yan-Yun Wu, Yue Sun, Yong-Long Wei
{"title":"Progress on the role of LIN28A/B in tumor development and progression.","authors":"Yi-Wen Zhang, Qin Huang, Yan-Yun Wu, Yue Sun, Yong-Long Wei","doi":"10.16288/j.yczz.24-056","DOIUrl":"10.16288/j.yczz.24-056","url":null,"abstract":"<p><p>LIN28A and its homolog LIN28B are highly conserved RNA-binding proteins that play important roles in early embryonic development, somatic cell reprogramming, metabolism and tumorigenesis. LIN28A/B are highly expressed in a variety of malignant tumors such as breast cancer. They play important roles in the initiation, maintenance, and metastasis of tumors and are associated with poor prognosis. Previous studies have shown that the main regulatory mechanisms of LIN28A/B include let-7s dependent ways and let-7s independent ways, such as directly targeting mRNA. In this review, we summarize the function and molecular regulatory mechanisms of LIN28A/B in malignant tumors such as liver cancer, breast cancer and colorectal cancer, in order to provide references for further exploring the function and mechanism of LIN28A/B and their possible roles in clinical applications.</p>","PeriodicalId":35536,"journal":{"name":"Yi chuan = Hereditas / Zhongguo yi chuan xue hui bian ji","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141421210","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Tip60-FOXO regulates JNK signaling mediated apoptosis in Drosophila. Tip60-FOXO调节果蝇体内JNK信号介导的细胞凋亡。
Yi chuan = Hereditas / Zhongguo yi chuan xue hui bian ji Pub Date : 2024-06-20 DOI: 10.16288/j.yczz.24-105
Jian Yang, Guo-Juan Shi, Ang-Hui Peng, Qing-Bo Xu, Rui-Qi Wang, Lei Xue, Xin-Yang Yu, Yi-Hao Sun
{"title":"Tip60-FOXO regulates JNK signaling mediated apoptosis in <i>Drosophila</i>.","authors":"Jian Yang, Guo-Juan Shi, Ang-Hui Peng, Qing-Bo Xu, Rui-Qi Wang, Lei Xue, Xin-Yang Yu, Yi-Hao Sun","doi":"10.16288/j.yczz.24-105","DOIUrl":"10.16288/j.yczz.24-105","url":null,"abstract":"<p><p>The JNK signaling pathway plays crucial roles in various physiological processes, including cell proliferation, differentiation, migration, apoptosis, and stress response. Dysregulation of this pathway is closely linked to the onset and progression of numerous major diseases, such as developmental defects and tumors. Identifying and characterizing novel components of the JNK signaling pathway to enhance and refine its network hold significant scientific and clinical importance for the prevention and treatment of associated cancers. This study utilized the model organism <i>Drosophila</i> and employed multidisciplinary approaches encompassing genetics, developmental biology, biochemistry, and molecular biology to investigate the interplay between Tip60 and the JNK signaling pathway, and elucidated its regulatory mechanisms. Our findings suggest that loss of Tip60 acetyltransferase activity results in JNK signaling pathway activation and subsequent induction of JNK-dependent apoptosis. Genetic epistasis analysis reveals that Tip60 acts downstream of JNK, paralleling with the transcription factor FOXO. The biochemical results confirm that Tip60 can bind to FOXO and acetylate it. Introduction of human Tip60 into <i>Drosophila</i> effectively mitigates apoptosis induced by JNK signaling activation, underscoring conserved regulatory role of Tip60 in the JNK signaling pathway from <i>Drosophila</i> to humans. This study further enhances our understanding of the regulatory network of the JNK signaling pathway. By revealing the role and mechanism of Tip60 in JNK-dependent apoptosis, it unveils new insights and potential therapeutic avenues for preventing and treating associated cancers.</p>","PeriodicalId":35536,"journal":{"name":"Yi chuan = Hereditas / Zhongguo yi chuan xue hui bian ji","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141421213","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Comparison and optimization of different CRISPR/Cas9 donor-adapting systems for gene editing. 比较和优化用于基因编辑的不同 CRISPR/Cas9 供体适配系统。
Yi chuan = Hereditas / Zhongguo yi chuan xue hui bian ji Pub Date : 2024-06-20 DOI: 10.16288/j.yczz.23-273
Bao-Xia Ma, Sen Yang, Ming Lyu, Yu-Ren Wang, Li-Ye Chang, Yi-Fan Han, Jian-Gang Wang, Yang Guo, Kun Xu
{"title":"Comparison and optimization of different CRISPR/Cas9 donor-adapting systems for gene editing.","authors":"Bao-Xia Ma, Sen Yang, Ming Lyu, Yu-Ren Wang, Li-Ye Chang, Yi-Fan Han, Jian-Gang Wang, Yang Guo, Kun Xu","doi":"10.16288/j.yczz.23-273","DOIUrl":"10.16288/j.yczz.23-273","url":null,"abstract":"<p><p>Gene knock-in in mammalian cells usually uses homology-directed repair (HDR) mechanism to integrate exogenous DNA template into the target genome site. However, HDR efficiency is often low, and the co-localization of exogenous DNA template and target genome site is one of the key limiting factors. To improve the efficiency of HDR mediated by CRISPR/Cas9 system, our team and previous studies fused different adaptor proteins with SpCas9 protein and expressed them. By using their characteristics of binding to specific DNA sequences, many different CRISPR/SpCas9 donor adapter gene editing systems were constructed. In this study, we used them to knock-in <i>eGFP</i> gene at the 3'-end of the terminal exon of <i>GAPDH</i> and <i>ACTB</i> genes in HEK293T cells to facilitate a comparison and optimization of these systems. We utilized an optimized donor DNA template design method, validated the knock-in accuracy via PCR and Sanger sequencing, and assessed the efficiency using flow cytometry. The results showed that the fusion of yGal4BD, hGal4BD, hLacI, hTHAP11 as well as N57 and other adaptor proteins with the C-terminus of SpCas9 protein had no significant effect on its activity. At the <i>GAPDH</i> site, the donor adapter systems of SpCas9 fused with yGal4BD, hGal4BD, hLacI and hTHAP11 significantly improved the knock-in efficiency. At the <i>ACTB</i> site, SpCas9 fused with yGal4BD and hGal4BD significantly improved the knock-in efficiency. Furthermore, increasing the number of BS in the donor DNA template was beneficial to enhance the knock-in efficiency mediated by SpCas9-hTHAP11 system. In conclusion, this study compares and optimizes multiple CRISPR/Cas9 donor adapter gene editing systems, providing valuable insights for future gene editing applications.</p>","PeriodicalId":35536,"journal":{"name":"Yi chuan = Hereditas / Zhongguo yi chuan xue hui bian ji","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141421208","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ssu72 phosphatase deficiency leads to spindle crossing during the second meiotic division process. Ssu72 磷酸酶缺乏会导致减数第二次分裂过程中的纺锤体交叉。
Yi chuan = Hereditas / Zhongguo yi chuan xue hui bian ji Pub Date : 2024-06-20 DOI: 10.16288/j.yczz.24-047
Jing-Liang Yan, Ling-Ling Ma, Yoshinori Watanabe
{"title":"Ssu72 phosphatase deficiency leads to spindle crossing during the second meiotic division process.","authors":"Jing-Liang Yan, Ling-Ling Ma, Yoshinori Watanabe","doi":"10.16288/j.yczz.24-047","DOIUrl":"10.16288/j.yczz.24-047","url":null,"abstract":"<p><p>Ssu72 is a component of the yeast cleavage/polyadenylation factor (CPF) complex, which catalyzes the dephosphorylation of the C-terminal domain (CTD) of RNA polymerase II at S5-P and S7-P. It has been shown that Ssu72 phosphatase is involved in regulating chromosome cohesion during mitosis. To further clarify whether Ssu72 phosphatase affects chromosome separation during meiotic division in <i>Schizosaccharomyces pombe</i>, we utilized green fluorescent protein (GFP) to label centromeres and red fluorescent protein to label microtubule protein Atb2. The entire meiotic chromosome separation process of <i>ssu72∆</i> cells was observed in real-time under fluorescence microscope. It was found that two spindles of <i>ssu72∆</i> cells crossed during the metaphase and anaphase of the second meiotic division, and this spindle crossing led to a new type of spore defect distribution pattern. The results of this study can provide important reference significance for studying the roles of phosphatase Ssu72 in higher organisms.</p>","PeriodicalId":35536,"journal":{"name":"Yi chuan = Hereditas / Zhongguo yi chuan xue hui bian ji","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141421211","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The roles of branched-chain amino acids metabolism in tumorigenesis and progression. 支链氨基酸代谢在肿瘤发生和发展中的作用。
Yi chuan = Hereditas / Zhongguo yi chuan xue hui bian ji Pub Date : 2024-06-20 DOI: 10.16288/j.yczz.24-095
Shen Yuan, Li Jin-Tao, Yin Miao, Lei Qun-Ying
{"title":"The roles of branched-chain amino acids metabolism in tumorigenesis and progression.","authors":"Shen Yuan, Li Jin-Tao, Yin Miao, Lei Qun-Ying","doi":"10.16288/j.yczz.24-095","DOIUrl":"10.16288/j.yczz.24-095","url":null,"abstract":"<p><p>Branched-chain amino acids (BCAAs), including leucine, valine, and isoleucine, play crucial roles in regulating metabolic balance and maintaining physiological functions in the body. Extensive studies have been focused on their implications in obesity, diabetes, and cardiovascular diseases. Nevertheless, accumulating evidence suggests that BCAAs metabolism also plays significant roles in tumorigenesis and progression. In this review, we overview recent progress of the study on BCAAs metabolism including its relationship with epigenetic regulation. Particularly, we discuss the metabolic reprogramming and metabolic sensing of BCAAs and its intermediate metabolites in tumor cells and microenvironment to decipher their functions. An enhanced understanding of the roles and mechanism of BCAAs metabolism in tumorigenesis and progression will contribute to development of novel therapeutic strategies against tumor.</p>","PeriodicalId":35536,"journal":{"name":"Yi chuan = Hereditas / Zhongguo yi chuan xue hui bian ji","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141421212","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Simultaneous genetic transformation and genome editing of mixed lines in soybean (Glycine max) and maize (Zea mays). 大豆(Glycine max)和玉米(Zea mays)混合品系的同步遗传转化和基因组编辑。
IF 4.6 4区 农林科学
aBIOTECH Pub Date : 2024-06-18 eCollection Date: 2024-06-01 DOI: 10.1007/s42994-024-00173-5
Michelle Valentine, David Butruille, Frederic Achard, Steven Beach, Brent Brower-Toland, Edward Cargill, Megan Hassebrock, Jennifer Rinehart, Thomas Ream, Yurong Chen
{"title":"Simultaneous genetic transformation and genome editing of mixed lines in soybean (<i>Glycine max</i>) and maize (<i>Zea mays</i>).","authors":"Michelle Valentine, David Butruille, Frederic Achard, Steven Beach, Brent Brower-Toland, Edward Cargill, Megan Hassebrock, Jennifer Rinehart, Thomas Ream, Yurong Chen","doi":"10.1007/s42994-024-00173-5","DOIUrl":"10.1007/s42994-024-00173-5","url":null,"abstract":"<p><p>Robust genome editing technologies are becoming part of the crop breeding toolbox. Currently, genome editing is usually conducted either at a single locus, or multiple loci, in a variety at one time. Massively parallel genomics platforms, multifaceted genome editing capabilities, and flexible transformation systems enable targeted variation at nearly any locus, across the spectrum of genotypes within a species. We demonstrate here the simultaneous transformation and editing of many genotypes, by targeting mixed seed embryo explants with genome editing machinery, followed by re-identification through genotyping after plant regeneration. Transformation and Editing of Mixed Lines (TREDMIL) produced transformed individuals representing 101 of 104 (97%) mixed elite genotypes in soybean; and 22 of 40 (55%) and 9 of 36 (25%) mixed maize female and male elite inbred genotypes, respectively. Characterization of edited genotypes for the regenerated individuals identified over 800 distinct edits at the Determinate1 (<i>Dt1</i>) locus in samples from 101 soybean genotypes and 95 distinct Brown midrib3 (<i>Bm3</i>) edits in samples from 17 maize genotypes. These results illustrate how TREDMIL can help accelerate the development and deployment of customized crop varieties for future precision breeding.</p><p><strong>Supplementary information: </strong>The online version contains supplementary material available at 10.1007/s42994-024-00173-5.</p>","PeriodicalId":53135,"journal":{"name":"aBIOTECH","volume":null,"pages":null},"PeriodicalIF":4.6,"publicationDate":"2024-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11224177/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141555973","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synergistic impact of nano-urea and microbial inoculants with varied nitrogen regimes on the yield and yield attributes of hybrid maize (Zea mays L.) 不同氮素制度下纳米尿素和微生物接种剂对杂交玉米(玉米)产量和产量属性的协同影响
Crop research Pub Date : 2024-06-12 DOI: 10.31830/2454-1761.2024.cr-960
G. Bhoopesh, G. Baradhan, S. S. Kumar, C. Kathirvelu, S. Ramesh
{"title":"Synergistic impact of nano-urea and microbial inoculants with varied nitrogen regimes on the yield and yield attributes of hybrid maize (Zea mays L.)","authors":"G. Bhoopesh, G. Baradhan, S. S. Kumar, C. Kathirvelu, S. Ramesh","doi":"10.31830/2454-1761.2024.cr-960","DOIUrl":"https://doi.org/10.31830/2454-1761.2024.cr-960","url":null,"abstract":"Maize, a crucial cereal crop in India, faces challenges like limited land and climate change. Fertilizers like nitrogen, phosphorus, and potassium are essential for crop yields, but excessive use can cause eutrophication and nitrate pollution. Researchers are exploring slow-release fertilizers and nanotechnology-based solutions to improve nitrogen uptake efficiency. Slow-release fertilizers maintain nitrogen availability and control nitrification processes, while nanotechnology-based fertilizers release nitrogen only when needed, reducing emissions and leaching. Microorganisms like azophos can fix nitrogen, facilitate phosphorus uptake, and produce growth-promoting chemicals. The use of nano urea and beneficial microorganisms like azophos can boost maize production and yield. To investigate further, a field experiment was conducted at the Experimental Farm, Department of Agronomy, Annamalai University, Annamalai Nagar, Cuddalore district of Tamil Nadu from July to October 2022 with a key objective of evaluating the partial supplement of different levels of nitrogen fertilizer in the form of conventional urea and nano urea along with the microbial inoculant azophos in hybrid maize (Zea mays L.). The experiment was laid out in randomized block design with ten treatments comprised of different levels of urea and nano urea along with azophos @ 4kg/ha with three replications. Among the nutrient management evaluated, all the yield attributes and yield of hybrid maize viz., cob length, cob diameter, number of grains/cob, test weight, grain yield, stover yield, and harvest index were significantly influenced by theapplication of 50 percent RDN through urea + 50 per cent RDN through nano urea + 100 percent RD of P and K through conventional fertilizers + azophos @ 4 kg/ha (T8). Combining bulk urea and nano urea improved nitrogen use efficiency via metabolite production, enzyme activity stimulation, and microbial rhizosphere interactions significantly enhancing the yield attributes and yield.\u0000","PeriodicalId":10786,"journal":{"name":"Crop research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141351286","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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