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Micropropagation of Daylily(Hemerocallis fulva)from Crown-Tip Explants and Assessment of Somaclonal Variation of in Vitro-Propagated Plants Using SCoT Markers

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Phyton-International Journal of Experimental Botany 2023年第7期92卷 2183-2196页

作者： Esraa E.Shalan Said S.Soliman Ahmed A.Mahmoud Jameel M.Al-Khayri Salha M.ALshamrani Fatmah A.Safhi Areej S.Jalal Diaa Abd El-Moneim abdallah a.hassanin Genetics Department Faculty of AgricultureZagazig UniversityZagazig44511Egypt Department of Agricultural Biotechnology College of Agriculture and Food SciencesKing Faisal UniversityAl-Ahsa31982Saudi Arabia Department of Biology College of ScienceUniversity of JeddahJeddah21959Saudi Arabia Department of Biology College of SciencePrincess Nourah bint Abdulrahman UniversityRiyadh11671Saudi Arabia Department of Plant Production (Genetic Branch)Faculty of Environmental and Agricultural SciencesArish UniversityEl-Arish45511Egypt

Determination of the somaclonal variation of in vitro-propagated plants is crucial to determine the appropriate micropropagation protocol and growth regulators for commercial scale *** this research,nine multiplication media(MM)augmented with different concentrations of 6-benzyl adenine(BA),Kinetin(Kin),and Thidiazuron(TDZ),Three rooting media(RM)supplemented with three levels ofα-naphthalene acetic acid(NAA)and three types of soil mixtures(v/v);Coco peat/Vermiculite/Sand(CVS),Peat moss/Perlite/Sand(PPS)and Peat moss/Perlite(PP)were used in the micropropagation protocol of daylily ***2 showed the maximum shoot length and the number of leaves,while MM9 showed the maximum number of *** RM1 showed the maximum root length and the number of *** acclimatization,CVS,PPS,and PP soil mixture showed similar performance except the CVS mixture showed lower performance regarding plant height and *** genetic fidelity of micropropagated plants was evaluated using Start Codon Targeted(SCoT)*** SCoT primers amplified 51 scorable bands with an approximate range from 146 bp to 1598 bp *** one out of 51 loci were presented in the mother plants.40 loci were polymorphic,11 were monomorphic and 7 were *** amplification patterns of the micropropagated plants demonstrated genetic integrity to the mother plant ranging from 84.32 to 47.06 and somaclonal variations ranging from 52.94 with 5 mg/l BA pathway to 15.68 with 1mg/l TDZ pathway,thus demonstrating that the homogeneity and the variation of the micropropagated plants affected by the type and the quantity of the plant growth regulator used during multiplication *** research can be successfully used for other ornamental and medicinal plants’bulk multiplication,germplasm conservation,and future genetic improvement.

关键词： Genetic fidelity medicinal plants micropropagation molecular markers ornamental plants somaclonal variation

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Pre-Breeding Genetic Diversity Assessment of Tomato(Solanum lycopersicum L.)Cultivars Based on Molecular,Morphological and Physicochemical Parameters

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Phyton-International Journal of Experimental Botany 2023年第5期92卷 1493-1512页

作者： Jameel M.Al-Khayri Salha M.Alshamrani Adel A.Rezk Wael F.Shehata Mustafa I.Almaghasla Tarek A.Shalaby Ahmed M.Saad Fatmah A.Safhi Muhammad N.Sattar Arafat A.Abdel Latef Mahmoud Z.Sitohy abdallah a.hassanin Department of Agricultural Biotechnology College of Agriculture and Food SciencesKing Faisal UniversityAl-Ahsa31982Saudi Arabia Department of Biology College of ScienceUniversity of JeddahJeddah21959Saudi Arabia Plant Pests and Diseases UnitDepartment of Arid Land AgricultureCollege of Agriculture and Food SciencesKing Faisal UniversityAl-Ahsa31982Saudi Arabia Department of Horticulture Faculty of AgricultureKafrelsheikh UniversityKafr El-Sheikh33516Egypt Department of Biochemistry Faculty of AgricultureZagazig UniversityZagazig44511Egypt Department of Biology College of SciencePrincess Nourah bint Abdulrahman UniversityP.O.Box 84428Riyadh11671Saudi Arabia Central Laboratories King Faisal UniversityAl-Ahsa31982Saudi Arabia Department of Botany and Microbiology Faculty of ScienceSouth Valley UniversityQena83523Egypt Department of Genetics Faculty of AgricultureZagazig UniversityZagazig44511Egypt

Appropriate knowledge of the parental cultivars is a pre-requisite for a successful breeding *** study characterized fruit yield,quality attributes,and molecular variations of ten tomato cultivars during three consecutive generations under greenhouse *** 86,Castle Rock,and Red Star cultivars showed the highest fruit yield(kg/plant),total phenolic compounds(TPC),and sap *** component analysis categorized the evaluated fruit yield into three groups based on their quality attributes.A robust positive correlation appeared among traits inside each group.A positive correlation was likewise noticed between the first and the second ***,a negative correlation was detected between the first,the second and the third *** profiling,using seven inter-simple sequence repeat(ISSR)primers,produced 60 loci,including 49 polymorphic *** molecular analysis also pinpointed the highest genetic similarity(0.92)between P73 and Moneymaker,while the lowest genetic similarity(0.46)was observed between Castle Rock and *** cultivars P73 and Moneymaker showed the lowest genetic distance(2.24),while the highest genetic distance(5.92)was observed between Super Marmand and Peto86,on the one hand,and between Castle Rock and Moneymaker,on the other *** chemical analysis of fruit sap indicated the highest levels of TPC,total flavonoids,anthocyanin,ascorbic acid and total soluble solids in Peto 86 and Castle Rock *** analysis of tomato cultivars based on morphological and molecular attributes indicated four distinct *** 86,Castle Rock,and Red star cultivars can be recommended for the tomato hybridization breeding programs in the future,with other tomato cultivars as potentially high-yielding parents.

关键词： Fruit quality fruit yield genetic diversity hybrid seeds molecular markers plant breeding tomato

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