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  • Open Access

    ARTICLE

    Introgression of Drought Tolerance into Elite Basmati Rice Variety through Marker-Assisted Backcrossing

    Muhammad Sabar1,2,#, Shahzad Amir Naveed1,3,4,#,*, Shahid Masood Shah5, Abdul Rehman Khan5, Muhammad Musaddiq Shah6, Tahir Awan1, Muhammad Ramzan Khan3, Zaheer Abbas3, Muhammad Arif1,7,*

    Phyton-International Journal of Experimental Botany, Vol.92, No.5, pp. 1421-1438, 2023, DOI:10.32604/phyton.2023.025801

    Abstract Drought is one of the major abiotic threat to rice production in the context of climate change. Super Basmati is an elite, fine grain basmati rice variety grown in Punjab, Pakistan. Due to drought sensitive in nature, its yield has been facing an alarming situation in production because of gradual decrease in irrigated water for a couple of years. Three reported novel QTLs for drought tolerance were selected for incorporation into Super Basmati by employing marker assisted selection strategy. IR55419-04 with novel QTLs was used as a donor parent. Foreground selection was performed by applying PCR based QTL linked SSR… More >

  • Open Access

    ARTICLE

    Identification of QTLs for Yield and Associated Traits in F2 Population of Rice

    Rohini Bhat1,*, Anil Kumar Singh2, Muntazir Mushtaq3, Romesh Kumar Salgotra2, Manmohan Sharma2, Basharat Ahmad Bhat4, Umer Basu5, Ibrahim Al-Ashkar 6, Mohammad Anwar Hossain7,*, Akihiro Ueda8, Ayman El Sabagh9

    Phyton-International Journal of Experimental Botany, Vol.91, No.11, pp. 2439-2459, 2022, DOI:10.32604/phyton.2022.020100

    Abstract Identification of quantitative trait loci (QTLs) controlling yield and yield-related traits in rice was performed in the F2 mapping population derived from parental rice genotypes DHMAS and K343. A total of 30 QTLs governing nine different traits were identified using the composite interval mapping (CIM) method. Four QTLs were mapped for number of tillers per plant on chromosomes 1 (2 QTLs), 2 and 3; three QTLs for panicle number per plant on chromosomes 1 (2 QTLs) and 3; four QTLs for plant height on chromosomes 2, 4, 5 and 6; one QTL for spikelet density on chromosome 5; four QTLs… More >

  • Open Access

    ARTICLE

    Development of polymorphic SSR markers and their applicability in genetic diversity evaluation in Euptelea pleiosperma

    XIAOJUN ZHOU*, XIAOYU LU, XUBO WANG

    BIOCELL, Vol.46, No.11, pp. 2489-2495, 2022, DOI:10.32604/biocell.2022.020311

    Abstract Euptelea pleiosperma is a characteristic species of East Asian flora with both ornamental and scientific values. Based on the reduced-representation sequencing (RRS) technology of RAD-Seq, this study conducted high-throughput Illumina paired-end sequencing to find SSR marker information in the genome of E. pleiosperma, and to screen and verify polymorphism of SSR markers. We obtained 5.5G of high-quality data using RAD-Seq. The total number of contigs of the RAD tags was 299,376, with the maximum contig length of 2,062 bp and the average length of 445 bp. From these sequences, we identified 20,718 SSR loci, with a distribution density of one… More >

  • Open Access

    ARTICLE

    Genetic diversity in eggplant (Solanum melongena L.) germplasm from three secondary geographical origins of diversity using SSR markers

    DEBI RANI DATTA1, MOHD RAFII YUSOP1,2,*, AZIZAH MISRAN2, MASHITAH JUSOH2, YUSUFF OLADOSU1, FATAI AROLU1, AZADUL HAQUE1, NADZIRAH M. SULAIMAN1

    BIOCELL, Vol.45, No.5, pp. 1393-1401, 2021, DOI:10.32604/biocell.2021.015321

    Abstract Indo-Burmese region was the primary center of eggplant diversity from where the crop extended to several secondary origins of diversity. In this study, the genetic diversity among fifty-six eggplant accessions collected from three countries was assessed using sixteen polymorphic SSR markers to determine suitable parents for heterotic hybridization. The estimation of genetic diversity among the population of three countries (Bangladesh, Malaysia, and Thailand) varied from 0.57 to 0.74, with Shannon’s index value of 0.65. The mean value of expected heterozygosity and Nei’s index was 0.49, with an average PIC value of 0.83. A dendrogram was constructed based on UPGMA (unweighted… More >

  • Open Access

    ARTICLE

    Development and characterization of Simple Sequence Repeat (SSR) markers from the genomic sequence of sweet potato [Ipomoea batatas L. (Lam)]

    HANNA AMOANIMAA-DEDE, JIACHENG ZHANG, CHUNTAO SU, HONGBO ZHU*

    BIOCELL, Vol.45, No.4, pp. 1095-1105, 2021, DOI:10.32604/biocell.2021.015053

    Abstract Sweet potato is a multifunctional root crop with many essential nutrients and bioactive compounds. Due to its genetic complexity and lack of genomic resources, efficient genetic studies and cultivar development lag far behind other major crops. Simple sequence repeats (SSRs) offer an effective molecular marker technology for molecular-based breeding and for locating important loci in crop plants, but only a few have previously been developed in sweet potato. To further explore new SSR markers and accelerate their use in sweet potato genetic studies, genome-wide characterization and development of SSR markers were performed using the recently published genome of sweet potato… More >

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