OOIR: Observatory of International Research

Papers

(The median citation count of Plant Breeding is 1. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-10-01 to 2025-10-01.)

Article	Citations
Genomics‐assisted breeding: The next‐generation wheat breeding era	46
Genomic Association and Prediction Study for Yield Traits in a Sugarcane (Saccharum spp. Hybrids) Mapping Population ‘LCP 85‐384’	24
Characterization of temperate and tropical popcorn populations and GWAS for zeins and starch contents	20
Identification of Full or Partially Waxy Wheat by Using Viscosity Ratio Index	20
Isolation of yellow vein mosaic virus (YVMV)‐resistant mutants of okra (Abelmoschus esculentus L.) through applied mutagenesis	17
Participatory Identification of Cashew (Anacardium occidentale L.) Promising Genetic Resources in Ivory Coast	16
Genomic dissection reveals QTLs for grain biomass and correlated traits under drought stress in Ethiopian durum wheat (Triticum turgidum ssp.durum)	15
Issue Information	14
Advanced backcross‐quantitative trait loci mapping of grain yield, heading date, and their stability parameters in barley across multienvironmental trials in Egypt	14
Development of KASP fingerprinting panel for clonal identification in red raspberry (Rubus idaeus L.)	13
	12
Improving hybrid rice parental lines for blast resistance by introgression of broad‐spectrum resistance genes Pi54 and Pi9 by marker‐assisted selection	12
Hybrid breeding for fall armyworm resistance: Combining ability and hybrid prediction	12
Identification of haplotypes associated with resistance to Fusarium graminearum in spring oat (Avena sativa L.)	11
Analysis of Mitochondrial Sequence Deletion in the atp9 5′UTR Region and Design of Molecular Markers in Cotton (Gossypium spp.)	11
Machine Learning for Prediction of Resistance Scores in Wheat (Triticum aestivum L.)	11
Genetic analysis and molecular mapping of fruit‐bearing habit locus (Bh¹) in eggplant (Solanum melongenaL.)	10
Design and validation of a codominant molecular marker for fruit acidity in muskmelon (Cucumis melo)	10
Influence of red–blue light ratio on the phenology and morphology of different lentil (Lens culinaris Medik) and chickpea (Cicer arietinum) genotypes under a simple	10
Application of multi‐locus GWAS for the detection of bruchid resistance loci in cowpea (Vigna unguiculata)	10
Genetic Diversity and Genome‐Wide Association Study of Grain Quality in Sorghum (Sorghum bicolor) Landrace Collections	10
Evaluation of a barley (Hordeum vulgare) chromosome 2 drought tolerance quantitative trait locus in genomic backgrounds of two cultivars	10
Marker Effects for Fusarium Head Blight Resistance and the Dwarfing Gene Rht‐B1 in Cultivated Emmer Wheat (Triticum turgidum ssp. dicoccum) Revealed by Association Mapp	10
Mutation Breeding on Medicinal Solanum Species: Advances, Applicability and Challenges	9
	9

Improvement of Endosperm Hydration Counter the Negative Relationship Between Dormancy and Malt Quality in Barley (Hordeum vulgare)	8
Meiotic pairing and morphological and yield characterisation of three advanced lines of hexaploid tritordeum (×Tritordeum martini)	8
	8
Verification of the Fusarium‐Increasing Properties of the Dominant Dwarfing Gene Ddw1 in triticale (×Triticosecale)	8
Effects of Biological Factors and Temperature Elevation on Stigmatic Receptivity and Pollen Tube Growth in Diploid and Hexaploid Plum Genotypes [Prunus salicina and Prunus in	8
Characterization and Genetic Mapping of Resistance to Cotton–Melon Aphid (Aphis gossypii) in Cucumber	8
Prediction and validation of putative candidate genes underlying drought‐tolerant QTLs through in silico and RT‐PCR approaches in rice (Oryza sativa)	8
Quantitative trait loci for stay‐greenness and agronomic traits provide new insights into chlorophyll homeostasis and nitrogen use in rice	8
	7
Optimizing quantitative trait loci introgression in elite rice germplasms: Comparing methods and population sizes to develop new recipients via stochastic simulations	7
Assessing the Impact of PGPR Consortia Inoculum on Mung Bean [Vigna radiata (L.) Wilczek] Mutant Varieties in Different Soil Types	7
The power of selection: Dissecting phenotypic plasticity and linkage drag underlying yield traits of rice (Oryza sativa) using selective introgression	7
Genetic Diversity and Population Structure of Sweetpotato Accessions (Ipomoea batatas [L.] Lam.) Revealed by Single Nucleotide Polymorphism Markers	7
Rapid Development of Lipoxygenase‐2 Free Vegetable Soybean Genotypes (Glycine max (L.) Merill) Through Molecular Breeding Under Controlled Environment	7
Association mapping analysis of oil palm interspecific hybrid populations and predicting phenotypic values via machine learning algorithms	7
Maintenance Breeding in Pigeonpea [Cajanus cajan (L.) Millspaugh] — An Assessment and Advanced Strategies	7
Issue Information	7
Detection of QTNs and QTN‐by‐Environment and QTN‐by‐QTN Interactions for Cottonseed Oil Content in Upland Cotton (Gossypium hirsutum L.)	7
Shortening generation times for winter cereals by vernalizing seedlings from young embryos at 10 degree Celsius	7
Issue Information	7
Mapping and breeding application of the brown planthopper (Nilaparvata lugens)‐resistance genes derived from a durable resistant PTB33 rice variety (Oryza sativa)	7
Quantitative Trait Loci Analysis for Anthracnose Resistance in a Population Derived From Andean Varieties Bukoba and Kijivu of Common Bean (Phaseolus vulgaris L.)	7
Development of Novel InDel Markers for Breeding Applications in Pomegranate (Punica granatum L.)	6
Genetic Variation and QTL Analysis of Crude Fibre and Quality Traits in the Doubled Haploid Winter Oilseed Rape (Brassica napus L.) Population R19 x Lord	6
Efficiency of indirect selection for fusarium head blight resistance and mycotoxin accumulation in winter wheat (Triticum aestivum L.)	6
Enhancing Genetic Diversity and Blast Resistance in Rice (Oryza sativa L.) Through Ethyl Methane Sulfonate (EMS) Mutagenesis	6
Molecular markers to devise predictive models for juvenile selection in Hevea rubber	6
Effect of a low seed lignin content on seed yield and quality in winter oilseed rape (Brassica napus)	6
Genome‐Wide Association Mapping and Genomic Prediction of Septoria nodorum Blotch Resistance in Central European Winter Wheat (Triticum aestivum L.)	6
Molecular Mapping of QTL for a Transformation‐Related Trait and FHB Resistance in a Recombinant Inbred Population of Bobwhite × PI 277012	6
Assessing inbreeding in perennial ryegrass (Lolium perenne) as a step towards F1 hybrid breeding	6
Flavour improvement in early generations of fresh market tomatoes (Solanum lycopersicum): I. Identification of QTL for sensory attributes, physicochemical measurements and volatile c	6
Issue Information	6
Features of transcriptional dynamics of the duplicated Vernalization‐B1 gene in wheat (Triticum spp.)	6
A multiplex PCR marker distinguishes between a series of four LanFTc1 alleles regulating flowering time in narrow‐leafed lupin (Lupinus angustifolius)	5
Improving detached tiller culture for doubled haploid production in wheat (T. aestivum L.) by post‐pollination fungicides application and UV radiation treatment	5
Analysis of mitochondrial DNA polymorphism in theatpAregion and design of simple sequence repeat and sequence characterized amplified region markers for distinguishing AD1, CMS‐D2 and CMS‐D8 cy	5
Gene mining of 100‐grain weight and the number of four‐seed pods in soybean (Glycine max)	5
Issue Information	5
QTL mapping of genes related to Nod factor signalling using recombinant inbred lines of soybean (Glycine max)	5
Molecular mapping of all‐stage stripe rust resistance in Indian wheat (Triticum aestivum) cultivar ‘VL404’	5
QTL mapping, whole genome resequencing, and marker‐assisted selection provide basics of early flowering in pumpkin	5
Introgression of bruchid (Zabrotes subfasciatus) resistance into small red common bean (Phaseolus vulgaris) background and validation of the BRU_00261 (snpPV0007) r	5
Assessing heritability of biochemical limitations in photosynthesis can help elucidate new targets for improvement	5
Effective Nitrogen Use in Wheat: A Multi‐Environment Trial Comparison of Nitrogen Utilization Efficiency Versus Nutrition Index	5
Evaluating effectiveness of clonal plant selection of alfalfa (Medicago sativa L.) and sainfoin (Onobrychis viciifolia Scop.) in mixtures: Mean performance and stab	5
	5
Adding genome‐wide genotypic information to a tobacco (Nicotiana tabacum) breeding programme	5
Characterisation of starch properties and physical characteristics in buckwheat (Fagopyrum esculentum Moench.) mutant lacking accumulation of ‘granule‐bound starch synthase a’	5
Diversity of stem rust resistance in modern Siberian bread wheat (Triticum aestivum) germplasm	5

Selecting recombinants to stack high protein with high oleic acid and low linoleic acid in soybean (Glycine max)	4
Issue Information	4
Correction to ‘Identification and Fine Mapping of a Mutant pv‐nts Gene Responsible for Dwarf and Thin Stem of Snap Bean (Phaseolus vulgaris L.)’	4
Issue Information	4
Combinatory ability and heterosis for quantitative traits related to productivity and the pungency in F₁ hybrids of habanero pepper (Capsicum chinense Jacq.)	4
Identification of QTLs for Physiological and Agro‐Morphological Traits Associated With Water‐Saving Capacity in Sorghum (Sorghum bicolor L. Moench)	4
Association Mapping for Components of Reaction Norms to Environmental Covariates in Public Tropical Maize (Zea mays) Panel Under Water Stress	4
Yuan Longping, a great world hunger fighter	4
Grafting‐induced seed gossypol levels by demethylation of (+)‐delta‐cadinene synthase genes in upland cotton	4
Identification of Two Amylases for Construction of Pollen‐Inactivation System in Rice (Oryza sativa L.)	4
Current Trends in CRISPR‐Cas System Based Genome Editing in Tomato (Solanum lycopersicum)	4
Recent Developments in Research on Antisense: A Sensible Modality for Designing Next‐Generation Super Vegetables and a Paradigm Shift Towards Gene‐Editing Tools	4
Chromosome Regions Linked to Peanut Black (Arachis hypogaea L.) Pod Revealed by QTLSeq	3
Mining of quantitative trait loci and candidate genes for seed size and shape across multiple environments in soybean (Glycine max)	3
Identification and Validation of Novel Quantitative Trait Loci for Grain Hardness in Bread Wheat (Triticum aestivum L.)	3
Potential breeding target genes for enhancing agronomic drought resistance: A yield‐survival balance perspective	3
	3
Responses of differentially expressed proteins and endogenous hormones in winter rapeseed (Brassica rapa L.) roots under water deficit stress	3
Interfamily wide hybridization between daylily (Hemerocallis, Xanthorrhoeaceae) and lycoris (Lycoris, Amaryllidaceae)	3
Breeding high‐protein pigeonpea genotypes and their agronomic and biological assessments	3
Overexpression of TaSnRK2.9s Improves Plant Growth and Development in Rice (Oryza sativa L.)	3
Fine mappingPsPS1, a gene controlling pod softness that defines market type in pea (Pisum sativum)	3
QTL mapping of nitrogen use efficiency traits at the seedling and maturity stages under different nitrogen conditions in barley (Hordeum vulgare L.)	3
A Major Locus Conferring Both Fusarium Crown Rot Resistance and Drought Tolerance in Barley (Hordeum vulgare L.)	3
Genome‐Wide Association Studies Predicted Drought Stress Occuring at Anthesis and Post‐Anthesis Stages in Novel Diverse Germplasm of Bread Wheat (Triticum aestivum)	3
A multi‐season analysis of barnyard millet (Echinochloa frumentacea) germplasm lines for shoot fly resistance and multi‐trait stability	3
Genetics of fertility restoration in A₂‐based cytoplasmic genetic male sterility system in pigeonpea (Cajanus cajan)	3
Development and Validation of KASP and InDel Markers Cosegregating With the Fertility Restoring Gene for Ogura Cytoplasmic Male Sterility in Rapeseed (Brassica napus L.)	3
Dissecting root system architecture traits in durum wheat–goatgrass (Triticum durum–Aegilops speltoides) backcross introgression lines	3
	3
Molecular cytogenetic identification of a new synthetic amphiploid (Triticum timococcum, A^tA^tGGA^mA^m) with a seed setting rate comparable with that of	3
Sources of resistance to witches' broom disease in cacao (Theobroma cacao L.): Progress update and perspectives	2
Identification and Fine Mapping of a Mutant pv‐nts Gene Responsible for Dwarf and Thin Stem of Snap Bean (Phaseolus vulgaris L.)	2
Flavour improvement in early generations of fresh market tomatoes (Solanum lycopersicum L.): II. Response to breeders' sensory and marker‐assisted selection	2
Meta‐analysis of the genetics of resistance to Fusarium head blight and deoxynivalenol accumulation in barley and considerations for breeding	2
Relationship between genetic distance based on single nucleotide polymorphism markers and hybrid performance in Robusta coffee (Coffea canephora)	2
Genome size and chromosome number variation in sugarcane (Saccharum spp.) families and phenotypically contrasting Saccharum genotypes	2
A new genetic linkage map in einkorn wheat (Triticum monococcum) detects two major QTLs for heading date in chromosome 2A and 5A, probably corresponding to the photoperiod and vernalization gen	2
Integrating Antixenosis Against Helicoverpa armigera (Lepidoptera: Noctuidae) and Micronutrition in Kabuli Chickpea (Cicer arietinum L.) Genotypes	2
Genomic selection and enablers for agronomic traits in maize (Zea mays): A review	2
Mapping immature fruit colour‐related genes via bulked segregant analysis combined with whole‐genome re‐sequencing in pepper (Capsicum annuum)	2
Genetic elimination of lipoxygenase‐2 improves sprouting and tocopherols, and removal of Kunitz trypsin inhibitor enhances in vitro protein digestibility in soybean (Glycine max)	2
Quantitative Trait Locus Mapping and Identification of Candidate Genes Controlling Sucrose and Stachyose Contents in Soybean [Glycine max (L.) Merr.]	2
Genetics of Consumer‐Preferred Morphological Traits in Contrasting Parental Crosses of Mungbean (Vigna radiata (L.) Wilczek)	2
Mapping of quantitative trait loci for agronomic and morpho‐physiological traits under drought environments in spring barley (Hordeum vulgare L.)	2
Identification of a Susceptibility Gene for Xanthomonas oryzae pv. oryzae in Vietnamese Elite Rice (Oryza sativa L.) Cultivar Bacthom 7	2
Field response and genetic variability of elite spring bread wheat (Triticum aestivum L.) genotypes for septoria tritici blotch under natural infection in Northwest Ethiopia	2
Exploring Stable Low Soil Phosphorous Stress Tolerance in Rice Using Novel Allele Recombination From Oryza rufipogon	2
Isolation and evaluation of novel male sterile and self‐incompatible mutant lines of mungbean (Vigna radiata L.)	2
Mutation of DEP1 facilitates the improvement of plant architecture in Xian rice (Oryza sativa)	2
Issue Information	2
Genetic analysis and characterisation of Cmowf, a gene controlling the white petal colour phenotype in pumpkin (Cucurbita moschata D)	2
Screening for Fall Armyworm (Spodoptera frugiperda J. E. Smith) Resistance in Early‐Maturing Tropical Maize Adapted to Sub‐Saharan Africa	2
Deciphering the inheritance of fertility restoration and influence of environmental factors on maldandi source of male sterility in rabi sorghum [Sorghum bicolor (L.) M	2
Progress and prospect of developing salt and alkali tolerant rice using hybrid rice technology in China	2
Reviving the Abandoned Browntop Millet (Urochloa ramosa (L.)) for Sustainable Future Food Systems: Current Knowledge and Emerging Paradigms	2
Reciprocal Evaluation of Hybrid Wheat (Triticum aestivum L.) Crosses Between German and US ‘Great Plains’ Genotypes Across Their Contrasting Target Environments	2
Root Traits: A Key for Breeding Climate‐Smart Wheat (Triticum aestivum)	2
Selection for drought tolerance in backcross populations derived from interspecific crosses of Solanum lycopersicum × Solanum pennellii	2
Genetic Variation in Yield and Fruit Weight Among Strawberry (Fragaria ×ananassa) Cultivars and the Interaction With Year and Location Effect	2
Heterosis and combining ability vis‐à‐vis association for green fruit yield and component traits involving male sterile lines in chilli (Capsicum annuum) under wet temperate zone of	2
Development of a near‐infrared spectroscopy calibration for Hagberg falling number assessment of barley (Hordeum vulgare): A comparison of methods	2
Overview of developed core and mini core collections and their effective utilization in cultivated rice and its related species (Oryza sp.)—A review	2
Mining of seed coat cracking related genetic loci and genes in diverse soybean (Glycine max) populations	2
Comparison of Hybrid Maize (Zea mays L.) Performance Developed Through Conventional Pedigree and Doubled Haploid Breeding Methods	2
Fine‐Mapping of the Vhc1 QTL for Apple Scab Resistance on Linkage Group 1 of ‘Honeycrisp’	2
Issue Information	2
Approaching 25 years of progress towards Fusarium head blight resistance in southern soft red winter wheat (Triticum aestivum L.)	2
Utilising soybean [Glycine max (L.) Merr.] wild and untapped genetic resources through pre‐breeding: Challenges and opportunities	2
Genomic prediction in doubled haploid maize (Zea mays) populations under water stress at flowering and well‐watered conditions using high‐density single‐nucleotide polymorphisms	2
A grape breeding programme using different Vitis species	2
QTL‐Seq Associated With Grain Elongation in Rice (Oryza sativa L.) Using Bulked Segregant Analysis (BSA) Approach	2
Genetic loci and candidate genes with pleiotropic effects for tofu and soymilk weights across multiple environments in soybean (Glycine max)	2
Unveiling Genetic Basis Associated With Manganese Content in Turkish Common Bean (Phaseolus vulgaris L.) Germplasm Through a Genome‐Wide Association Study	2
A Vegetable Breeding Consortium in Asia Provides Smallholder Farmers With Resilient Varieties	1
Decoding the genetic basis of ear‐related traits in maize (Zea mays L.) using linkage mapping, association mapping and genomic prediction	1
Association mapping of resistance to tar spot complex in maize	1
Genetic mapping of candidate loci for water‐deficit stress‐induced proline accumulation in bread wheat (Triticum aestivum)	1
Postmeiotic irregular anther1 (PIA1) is required for anther cuticle and pollen exine development in maize (Zea mays L.)	1
Genetic Inheritance and Primary Mapping of Candidate Region Regulating Black Border Seed Trait in Watermelon (Citrullus lanatus)	1

Why is rice A_max (at saturating CO₂) more heritable than A_sat (at ambient CO₂)? A commentary on Acevedo‐Siaca et al. (2021)	1
Parent genome contribution and its relationship with grain yield in backcross‐derived lines of soybean (Glycine max)	1
Accuracy of Multi‐Environmental Trials in Predicting New Environments Using Different Approaches Based on Environmental Covariates: A Case in Barley (Hordeum vulgare L.) Breeding	1
Fine‐mapping of the major locus for vicine and convicine in faba bean (Vicia faba) and marker‐assisted breeding of a novel, low vicine and convicine winter faba bean population	1
Issue Information	1
Issue Information	1
Validation of molecular markers linked to Fusarium wilt resistance (Foc 1) in recombinant inbred lines of chickpea (Cicer arietinum)	1
Identification of drought tolerant inbred lines and assessment of combining ability in maize (Zea mays L.)	1
Fine mapping of sterile genes in soybean (Glycine max [L.] Merril.) based on cross populations between multi‐elite parent and sterile lines ms1 and ms6	1
Prof. Yuan Longping: The Father of Hybrid Rice revolutionized global agriculture by tremendously increasing rice production	1
Issue Information	1
Dissecting Cold Stress Tolerance in Solanum habrochaites: Developing Recombinant Populations and Identifying Key Introgression Segments From Cold‐Tolerant LA3969	1
Bioprospecting of citrus (Citrus L.) germplasms against citrus canker pathogenesis in Assam, North‐East India	1
Differences Between Phenotypic Selection Methods in Two Botanical Varieties of Panicum coloratum L. (Kleingrass) to Increase Forage Production Under Saline‐Hypoxic Conditions	1
Possible roles of insoluble proanthocyanidin in Tartary buckwheat (Fagopyrum tataricum) leaves	1
	1
Molecular mapping of two recessive genes controlling resistance to bacterial leaf pustule disease in soybean (Glycine max)	1
Multilocus Genome‐Wide Association Identifies QTL and Candidate Genes Associated With Resistance to Flower Bud Thrips (Megalurothrips sjostedti) in Cowpea Minicore Population	1
Breeding of Persian melon: Purpose to increase volatile compounds in melon (Cucumis melo) intergroup F1 cross population	1
Overexpression of the TaEXPA19 gene improves low‐temperature tolerance in winter wheat (Triticum aestivum)	1
Pleiotropic QTL Clusters for the Genetic Dissection of Yield Traits in Recombinant Inbred Line Wheat (Triticum aestivum L.) Populations	1
Accelerating gene discovery in climate‐resilient and nutrient‐rich major and minor millets through genome‐wide association studies: Progress and prospects	1
Application of fuzzy logic for adaptability and stability studies in flood‐irrigated rice (Oryza sativa)	1
Issue Information	1
Inheritance of seed protein in two interspecific pigeonpea (Cajanus cajan) crosses	1
Yield trade‐off and the role of parental selection based on seed size when breeding for soybean seed protein	1
Retraction statement: Is bigger better? Apidae (Xylocopinae), megachilidae and cowpea (Vigna unguiculata) pollination	1
Identification of SSR markers linked to new fertility restoration trait in sorghum (Sorghum bicolor (L.) Moench) for A₄ (maldandi) male sterile cytoplasm	1
Identification of efficient inbred testers to strengthen established heterotic groups in pearl millet (Pennisetum glaucum [L.] R. Br)	1
Bulked Segregant Analysis‐Sequencing identification of candidate genes for salt tolerance at the seedling stage of sorghum (Sorghum bicolor)	1
Strategies and prospects of haploid induction in rice (Oryza sativa)	1
Conventional and contemporary approaches for drought tolerance rice breeding: Progress and prospects	1
Elucidating genetic variability and genotype × environment interactions for grain iron and zinc content among diverse genotypes of lentils (Lens culinaris)	1
Development of High Throughput KASP Assays for Identification of Cytotypes and Fertility Restoration in Onion (Allium cepa L.)	1
Combining Ability of Quality Protein Maize (Zea mays L.) Inbred Lines for Tryptophan and Quality Traits Across Diverse Soil Nitrogen Environments	1
Lines for blast resistance genes with genetic background of Indica Group rice as international differential variety set	1
Status of yam (Dioscorea spp.) in the Democratic Republic of Congo	1
Phenomic Prediction Can Be Improved by Optimization of NIRS Preprocessing	1
Exploring Plant Diversity Through Enzyme‐Mediated Analysis Using Electro‐Carbon Sensors	1
Pyramiding of Genes/QTL for Resistance Against Three Rusts, High Grain Protein Content and Pre‐Harvest Sprouting Tolerance in Wheat (Triticum aestivum L.) Using Marker‐Assisted Selec	1
Comparing the soybeans (Glycine max) vegetation length in the Polish official variety trials	1
BSA‐seq and quantitative trait locus mapping reveals a major effective QTL for carpel number in watermelon (Citrullus lanatus)	1
Photoperiod trait: Insight in molecular mechanism for growth and maturity adaptation of soybean (Glycine max) to different latitudes	1
	1
Defining the target population of environments for wheat (Triticum aestivum L.) breeding in Italy based on historical data	1
High‐density single nucleotide polymorphism‐based linkage mapping reveals novel quantitative trait loci for rice (Oryza sativa) sheath blight resistance from wild rice (Oryza	1
Fine mapping of the R_SC9 gene and preliminary functional analysis of candidate resistance genes in soybean (Glycine max)	1
Genetic Mapping of the Powdery Mildew Resistance Gene Pm13 on Oat (Avena sativa) Chromosome 1D	1
Evaluation of indica‐type DEP1 mutant allele for rice (Oryza sativa) yield improvement and development of allele‐specific co‐dominant marker	1
	1
Genetic diversity, population structure and linkage disequilibrium in tropical maize (Zea mays L.) germplasm adapted to South Brazil	1
	1
Development of semidwarf breeding line with shattering resistance and preharvest‐sprouting resistant in buckwheat (Fagopyrum esculentum)	1
Late blight resistance in wild potato species—Resources for future potato (Solanum tuberosum) breeding	1