2018
DOI: 10.17957/ijab/15.0537
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Determination of Morphological and Genetic Diversity of ALS (Acetolactate Synthase)- Herbicide-Resistant Echinochloa oryzoides Biotypes in Rice

Abstract: This work aimed to evaluate the genetic and morphological diversity of 62 biotypes of Echinochloa oryzoides (Ard.) Fritsch.(early watergrass) that are resistant to ALS-inhibitor herbicides (bispyribac-sodium and penoxsulam), using the single sequence repeat (SSR) marker system. To determine the morphological diversity, the weed was grown (five seeds from each population) under screenhouse conditions and morphological characteristics were recorded. Parameter values subjected to a hierarchical clustering analysi… Show more

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Cited by 5 publications
(2 citation statements)
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“…To overcome this problem, many researchers have resorted to coding each allele as a dominant marker [32][33][34][35][36][37][38], missing part of SSRs informativeness [39,40,57,58]. In fact, it would be more appropriate to treat them as codominants [39].…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…To overcome this problem, many researchers have resorted to coding each allele as a dominant marker [32][33][34][35][36][37][38], missing part of SSRs informativeness [39,40,57,58]. In fact, it would be more appropriate to treat them as codominants [39].…”
Section: Discussionmentioning
confidence: 99%
“…Since SSR alleles differ in length by many base pairs, SSR markers are well resolved on agarose gel [25,26]. SSRs are often recorded and analyzed as dominant markers [32][33][34][35][36][37][38], but this leads to loss of information about allelic variance and the presence of heterozygosity, as they are codominant [39]. However, their scoring as codominant markers in polyploid species (such as E. crus-galli) presents several challenges, as almost all population genetics software has been developed for haploid and/or diploid genotype analysis [40].…”
Section: Introductionmentioning
confidence: 99%