Plant Breeding最新文献

{"title":"Genetic adaptation of phenological stages in Chinese and European elite soybeans (Glycine max [L.] Merr.) across latitudes in Central Europe","authors":"Xindong Yao, Martin Pachner, Leopold Rittler, Volker Hahn, Willmar Leiser, Christine Riedel, Raluca Rezi, Claude‐Alain Bétrix, Jerzy Nawracała, Inna Temchenko, Vuk Đorđević, Li‐Juan Qiu, Johann Vollmann","doi":"10.1111/pbr.13197","DOIUrl":"https://doi.org/10.1111/pbr.13197","url":null,"abstract":"Genetic adaptation of soybean phenological stages to high‐latitude long‐day environments is the major pre‐requisite for enhancing regional plant‐based protein production. Both <jats:italic>E</jats:italic>‐genes controlling flowering and growing environment determine timing of flowering and maturity, and <jats:italic>E</jats:italic>‐gene composition might differ between Chinese and European soybeans bearing the potential for improving adaptability. Therefore, 140 early maturity elite soybean cultivars of either Chinese or European origin were genotyped for the <jats:italic>E1</jats:italic> to <jats:italic>E4</jats:italic> flowering loci, and genotypes were tested across 17 European environments spanning a latitude range from 45 to 52°N in order to determine effects of various <jats:italic>E</jats:italic>‐allele combinations. Differences in <jats:italic>E</jats:italic>‐allele composition between Chinese and European cultivars were largest for the loci <jats:italic>E1</jats:italic> and <jats:italic>E3</jats:italic>. Wild‐type alleles significantly delayed flowering, and effects of particular <jats:italic>E</jats:italic>‐alleles were depending on geographic latitude. Consequently, photoperiod‐insensitive <jats:italic>E</jats:italic>‐haplotypes carrying several non‐functional alleles proved to be suitable for cultivation in higher latitudes, whereas photoperiod‐sensitive late‐maturity <jats:italic>E</jats:italic>‐haplotypes are adapted to lower latitudes only. Thus, breeding for new <jats:italic>E</jats:italic>‐haplotypes through combining Chinese and European alleles could enhance the potential for further soybean adaptation to northern growing regions.","PeriodicalId":20228,"journal":{"name":"Plant Breeding","volume":"31 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2024-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141572721","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Prediction and validation of putative candidate genes underlying drought‐tolerant QTLs through in silico and RT‐PCR approaches in rice (Oryza sativa)","authors":"Priyanka Veerala, Pooran Chand, Tapas Ranjan Das, Lokesh Kumar Gangwar","doi":"10.1111/pbr.13200","DOIUrl":"https://doi.org/10.1111/pbr.13200","url":null,"abstract":"In the present study, the aim was to predict and validate putative candidate genes underlying drought‐tolerant quantitative trait loci (QTLs) in rice crop using in silico approaches and real‐time polymerase chain reaction (RT‐PCR). The genes underlying major drought‐tolerant QTLs which have been reported by data mining, sequence variation, gene ontology analysis, quantitative traits gene finder and gene expression analysis were subjected to RiceVarmap software to design primers, and only a few variants gave the SNP/InDel primers; thus, finally, 15 primers were ultimately selected, which were used in identification of differentially expressed genes (DEGs) among contrasting rice genotypes IR 64 and N 22 for drought tolerance trait using quantitative RT‐PCR studies by providing drought stress treatment during panicle initiation stage. In this investigation, we predicted 11 genes as candidate genes underlying drought‐tolerant QTLs. Out of these, only four QTLs were found responsible for the major effect in drought tolerance regions such as QTL‐Qsn‐4b, QTL‐rn7a, QTL‐Qtgw‐2a and QTL‐phc4.1 and 11 prioritized candidates were identified that expressed in leaf tissues. Only four primers belong to two QTLs, primer vg0712623096 from QTL‐rn7a (LOC_Os07g22450) located on chromosome‐7 encoding NAC domain‐containing protein and the primers vg0431750843(LOC_Os04g53310) encoding soluble starch synthase 3‐ chloroplast precursor, vg0432626757 (LOC_Os04g54850) encoding pectin acetylesterase domain‐containing protein and vg0433031562 (LOC_Os04g55520) encoding AP2 domain‐containing protein, from QTL‐Qsn‐4b, located on chromosome‐4 found to have higher differential expression in N 22 in comparison with IR 64 during drought stress as per quantitative RT‐PCR 2<jats:sup>–ΔΔCt</jats:sup> values. Considering the overall study, these four primers/genes were identified as candidate genes underlying genomic regions governing drought tolerance. Therefore, these putative candidate genes could be focussed for further functional analysis to exploit in rice breeding.","PeriodicalId":20228,"journal":{"name":"Plant Breeding","volume":"61 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2024-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141518568","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Isolation and evaluation of novel male sterile and self‐incompatible mutant lines of mungbean (Vigna radiata L.)","authors":"P. M. Rahevar, R. M. Chauhan, P. T. Patel, M. P. Patel, H. S. Bhadauria, S. D. Solanki, Y. A. Viradiya, R. A. Gami, S. J. Vaghela","doi":"10.1111/pbr.13199","DOIUrl":"https://doi.org/10.1111/pbr.13199","url":null,"abstract":"Heterosis has long been harnessed in crop production, and while crop fertility lays the groundwork for leveraging heterosis, there remains a dearth of comprehensive data regarding genic male sterility in mungbean. Mungbean (<jats:styled-content style=\"fixed-case\"><jats:italic>Vigna radiata</jats:italic></jats:styled-content> (L.) Wilczek), being a self‐pollinating crop, exhibits significant hybrid vigour in F<jats:sub>1</jats:sub> hybrid seed yield, suggesting the potential for developing hybrid varieties to propel mungbean yield beyond existing plateaus. A new male sterile mutant was induced, isolated, stabilized and evaluated, via gamma irradiation at a rate of 600 Gy, identified in the M<jats:sub>3</jats:sub> generation of the GM 4 accession. A uniform male sterile line was crossbred with the wild‐type parental plant to explore the inheritance pattern of male sterility. Pollen sterility was validated through the acetocarmine test, while stigma viability was ascertained using the hydrogen peroxide. While all F<jats:sub>1</jats:sub> plants displayed fertile flowers, the F<jats:sub>2</jats:sub> generation showed a clear 3:1 segregation ratio for fertile to male sterile plants, indicating the control of male sterility by a single recessive gene, <jats:italic>mms</jats:italic>. Also, a novel existence of a truncated stigma nestled within the anther column inhibits the effective reception of pollen during anthesis, offering potential in reducing emasculation time by a slight cut on the flower bud and enhancing cross pollination during hybrid seed production. The isolation of these two mutants is poised to significantly advance the global mungbean hybrid breeding programme.","PeriodicalId":20228,"journal":{"name":"Plant Breeding","volume":"9 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2024-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141548058","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evaluation of indica‐type DEP1 mutant allele for rice (Oryza sativa) yield improvement and development of allele‐specific co‐dominant marker","authors":"Poulomi Sen, Shampa Purkaystha, Somnath Bhattacharyya","doi":"10.1111/pbr.13195","DOIUrl":"https://doi.org/10.1111/pbr.13195","url":null,"abstract":"Erect panicles with enhanced grain numbers can rationally utilize solar energy for dry matter accumulation. Only in <jats:italic>japonica</jats:italic> cultivars an inactive natural nonsense mutant allele of <jats:italic>DEP1</jats:italic> has been reported to pleiotropically improve panicle architecture, nitrogen use efficiency, nitrogen and dry matter translocation and strength of the stem. Genomic sequence comparison of <jats:italic>DEP1</jats:italic> in <jats:italic>indica</jats:italic>, <jats:italic>aus</jats:italic> and <jats:italic>aromatic</jats:italic> genotypes of West Bengal led to the identification of four natural allelic variants based on three single nucleotide polymorphisms (SNPs) on intron 1, two SNPs on exon 5 and two deletions on intron 2. Among them, a yield favourable missense mutant allele of <jats:italic>DEP1</jats:italic> with two amino acid substitutions from Patnai 23 has been identified, and an allele‐specific co‐dominant marker based on the SNP (A/G) at 333rd position of exon 5 was designed. Assessment of <jats:italic>DEP1</jats:italic>Patnai 23 allele for yield improvement was examined in RILs and NILs developed from Patnai23 × N22 as N22 carries wild‐type allele. The relative abundance of <jats:italic>DEP1</jats:italic> transcript in young panicles was twice as high in Patnai 23 than in N22. RIL‐<jats:italic>DEP1</jats:italic>Patnai 23 and NIL‐<jats:italic>DEP1</jats:italic>Patnai 23 showed enhanced grain number per panicle and total yield per plant compared to RIL‐<jats:italic>DEP1</jats:italic>N22 and NIL‐<jats:italic>DEP1</jats:italic>N22 allele. This newly identified <jats:italic>DEP1</jats:italic> allele and marker will accelerate MAS to improve rice yield precisely.","PeriodicalId":20228,"journal":{"name":"Plant Breeding","volume":"58 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141194846","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Identification of drought tolerant inbred lines and assessment of combining ability in maize (Zea mays L.)","authors":"D. S. Shailaja, Hirenallur Chandappa Lohithaswa, M. S. Sowmya, Mallana Gowdra Mallikarjuna, Santhoshkumari Banakara, T. R. Likhithashree, R. Kirankumar, G. Basanagouda, Nagesh Patne, B. S. Vivek","doi":"10.1111/pbr.13183","DOIUrl":"https://doi.org/10.1111/pbr.13183","url":null,"abstract":"Maize is an important agricultural crop ensuring food and nutritional security throughout the globe. It is highly sensitive to many of the biotic and abiotic stresses, and among them, drought is the most severe abiotic stress limiting maize production. Climate change tends to worsen this scenario by changing precipitation patterns and decreasing water availability. Hence, the present study was undertaken to identify drought‐tolerant inbred lines under well‐irrigated and managed stress conditions in the field toward developing drought‐resilient maize hybrids. The initial in vitro screening of 65 agronomically elite maize inbred lines was undertaken at 15%, 20%, and 25% polyethylene glycol (PEG) concentrations. Subsequently, the 15 inbreds selected for their promising performance under varying concentrations of PEG were evaluated in the pot (100%, 60%, and 40% of field capacity [FC]) and managed field experiments (moisture stress). Various physiological, biochemical, and yield attributing traits were measured among the inbreds to assess their drought tolerance potential. The analysis of variance in the pot and field experiments indicated significant genotypic differences among the inbreds and genotype × treatment interaction for different traits considered. In the pot experiment, the phenotypic correlation analysis showed a significant positive association of shoot fresh weight with plant height (<jats:italic>r</jats:italic> = .71), number of leaves (<jats:italic>r</jats:italic> = .58), relative water content (<jats:italic>r</jats:italic> = .60), root fresh weight (<jats:italic>r</jats:italic> = .58), shoot dry weight (<jats:italic>r</jats:italic> = .60), and SPAD meter readings under (<jats:italic>r</jats:italic> = .71) moisture stress condition. In the field experiment, the grain yield had a significant positive association with plant height, relative water content, SPAD before stress, ear length, ear girth, kernel rows per ear, kernels per row, and per day productivity under stress. Proline accumulation in inbreds during stress was found to be higher compared to nonstress conditions. The inbred lines CML 505, CML 444, CML 451, CML 504, QM 11408, and MAI 214 were promising for most of the drought tolerance imparting traits. These six inbreds along with four inbreds having low DRI (SKV 50, MAI E2‐163, MAI 16, and MAI E2‐241) were crossed in half diallel manner, and crosses involving low × high or high × low DRI inbreds showed higher grain yield. The current study also revealed the need of combining various physiological and yield attributing traits in drought breeding programmes.","PeriodicalId":20228,"journal":{"name":"Plant Breeding","volume":"86 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2024-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141194957","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Adult‐plant resistance to net form net blotch in barley (Hordeum vulgare L.): Durability and genetic control","authors":"Hugh Wallwork, Elysia Vassos, Tara Garrard, Mark Butt, Entesar Abood, Beata Sznajder, Diane Mather","doi":"10.1111/pbr.13191","DOIUrl":"https://doi.org/10.1111/pbr.13191","url":null,"abstract":"The research reported here was conducted to follow up on observations of durable adult‐plant resistance to net form net blotch in several Australian varieties of barley (<jats:styled-content style=\"fixed-case\"><jats:italic>Hordeum vulgare</jats:italic></jats:styled-content> L.). Over 11 years, isolates of <jats:italic>Pyrenophora teres</jats:italic> f. <jats:italic>teres</jats:italic> were collected and used to inoculate barley varieties. The resistance of five varieties (Clipper, Schooner, Sloop SA, Buloke and Scope) endured until the ninth year. To investigate the genetic control of this durable resistance, doubled haploid lines developed from the F<jats:sub>1</jats:sub> generation of a cross between Sloop SA and the susceptible variety Fathom were inoculated with an isolate that appeared fully virulent on Fathom and were evaluated for adult plant resistance. Six quantitative trait loci were mapped: three with resistance from Sloop SA and three with resistance from Fathom. Effects were additive across loci and transgressive segregation provided a few lines with better resistance than Sloop SA. Although the resistance investigated here is no longer effective, insights gained from this research could help guide ongoing efforts in resistance breeding and disease control.","PeriodicalId":20228,"journal":{"name":"Plant Breeding","volume":"85 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2024-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141194843","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Breeding trends on blue honeysuckle (Lonicera caerulea L.)","authors":"Liangchuan Guo, Jinli Qiao, Artem Sorokin, Jichuan Li, Dongjun Han, Dong Qin, Junwei Huo","doi":"10.1111/pbr.13190","DOIUrl":"https://doi.org/10.1111/pbr.13190","url":null,"abstract":"Blue honeysuckle, also named as haskap or honeyberry, an emerging fruit worldwide, with the species being <jats:italic>Lonicera</jats:italic> L., originating from the north hemisphere, exhibits high genetic heterogeneity and abundant genetic variation in fruit and leaf traits. However, there are few papers on the research progress of blue honeysuckle breeding and cultivars. The International Union for the Protection of New Varieties of Plants (UPOV) is an effective plant variety protection system, and blue honeysuckle cultivars from different countries and regions are registered in the UPOV database. In this review, we summarized the origin, domestication and germplasm collection, breeding categories and supporting techniques of blue honeysuckle, and the information on registered blue honeysuckle cultivars was analysed based on the UPOV database. Finally, the paper put forward the challenges of blue honeysuckle in development, breeding direction and perspectives to promote the development of blue honeysuckle.","PeriodicalId":20228,"journal":{"name":"Plant Breeding","volume":"45 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2024-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141148245","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Assessment of genotypic variability and genome‐wide association analysis of cooking time and canning quality traits in common bean (Phaseolus vulgaris L.)","authors":"Eunice Vasiter Kesiime, Stanley Tamusange Nkalubo, Mildred Ochwo Ssemakula, Isaac Onziga Dramadri, Clare Mukankusi, Dorothy Nakimbugwe, Richard Edema, Paul Gibson, Arfang Badji","doi":"10.1111/pbr.13172","DOIUrl":"https://doi.org/10.1111/pbr.13172","url":null,"abstract":"Developing improved common bean varieties with short cooking time (CT) and good canning quality traits (CQTs) is very key for accelerating bean consumption among the urban and middle‐class population. The objective of this study was to assess the genotypic variability and identify single nucleotide polymorphism (SNP) markers associated with CT and CQTs in common bean. A total of 250 common bean accessions were evaluated under field conditions for two seasons using alpha lattice design with two replications. Three months post‐harvest, the dry bean grains were evaluated for CT and CQTs. Significant variation was observed among the 250 common bean accessions tested for both traits. CT ranged from 51 to 215 min, with 11 genotypes cooking in less than 60 min. The percentage total CQTs' score ranged from 41% to 84% with 31 genotypes scoring 76% and above. Forty‐seven significant GWAS signals were detected for CT on chromosomes Pv01, Pv04, Pv05 and Pv11 and CQTs on Pv01, Pv02, Pv03, Pv04, Pv05, Pv06, Pv07, Pv08, Pv10 and Pv11, respectively. Positional candidate genes including Phvul.005G161200 on chromosome Pv05, Phvul.007G2803001 and Phvul.007G280700 on chromosome Pv07 were associated with seed coat colour retention of the canned beans. Besides their usefulness in breeding research, the identified bean genotypes with shorter CT and good CQTs could enhance bean consumption and processing industries.","PeriodicalId":20228,"journal":{"name":"Plant Breeding","volume":"35 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2024-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140926238","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Field response and genetic variability of elite spring bread wheat (Triticum aestivum L.) genotypes for septoria tritici blotch under natural infection in Northwest Ethiopia","authors":"Molla Mekonnen Kassie, Tiegist Dejene Abebe, Ermias Abate Desta, Tazebachew Aseress, Wuletaw Tadesse","doi":"10.1111/pbr.13175","DOIUrl":"https://doi.org/10.1111/pbr.13175","url":null,"abstract":"Fungal diseases cause significant yield loss to wheat production. Septoria tritici blotch (STB), caused by the ascomycete fungus <jats:italic>Zymoseptoria trtici</jats:italic>, is one of the major fungal diseases affecting wheat production worldwide. In Ethiopia, STB is a severe problem that causes significant yield loss in high and mid‐altitude wheat‐growing areas. The use of resistant varieties is one of the sustainable disease management strategies, particularly for resource‐poor farmers in developing countries. Two hundred and fifty bread wheat genotypes were evaluated to identify septoria tritici resistant genotypes and estimate the extent of genetic variability for resistance to STB and other economically important traits using alpha lattice design under natural infestation in two STB hotspot environments. Analysis of variance revealed highly significant differences among genotypes, environment, and genotype × environment interaction for all traits measured. The genetic coefficient of variance was lower than the phenotypic coefficient of variance for all traits studied, and both test environments showed the influence of the environment on trait expression. High and moderate heritability values were observed for the septoria disease severity parameters, indicating that the STB resistance trait was less influenced by the environment. The days to heading and plant height were inversely correlated with disease severity. This suggests that genotypes with tall plant height and long maturity period could be resistant to septoria tritici blotch through escape mechanisms. Four of the genotypes, namely, G‐215, G‐255, G‐257, and G‐258, were found to be resistant across all locations. These and other promising genotypes will be used in future breeding programmes to select or develop high‐yielding and STB‐resistant bread wheat genotypes that can be deployed in septoria tritici blotch‐prone areas. Highly susceptible genotypes will also be used as controls for STB resistance breeding programmes.","PeriodicalId":20228,"journal":{"name":"Plant Breeding","volume":"59 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2024-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140926240","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Phenotyping methodologies of log end splitting in eucalyptus (Eucalyptus spp.)","authors":"Luis Carlos da Silva Soares, Jorcélio Cabral Moreira, Gustavo Pucci Botega, Vinicius Quintão Carneiro, Bruno Oliveira Lafetá, Izabel Cristina Rodrigues de Figueiredo, Flávia Maria Avelar Gonçalves","doi":"10.1111/pbr.13177","DOIUrl":"https://doi.org/10.1111/pbr.13177","url":null,"abstract":"This study addresses the crucial consideration of log end splitting in breeding programmes for treated wood. There is a paucity of research focused on efficiently optimizing the phenotyping process for this particular trait. The study aimed to compare methodologies for log end splitting phenotyping and develop an image‐based crack evaluation approach. Initially, 32 eucalyptus clones underwent phenotyping using manual measurement, digital image analysis and visual evaluation. Results showed similar phenotypic values, but image analysis demonstrated better clone discrimination, reducing evaluation time to 78 h compared to manual measurement. The second part focused on testing convolutional neural network architectures (UNet, LinkNet and FPN) using real and synthetic images. U‐Net exhibited slight superiority based on higher Intersection over Union (IoU) values, exhibiting a high correlation (.89) with true values. This approach significantly reduced evaluation time to approximately 10.15 h, emphasizing its efficiency compared to traditional methods.","PeriodicalId":20228,"journal":{"name":"Plant Breeding","volume":"6 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2024-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140926239","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}