Effects of simulated rain on pollen-stigma adhesion and fertilisation in loquat (<i>Eriobotrya japonica</i>Lindl.)

Yang, Qin; Fu, Yan; Wang, Y. Q.; Deng, Qunxian; Tao, Longxing; Yan, J. M.; Luo, Nan

doi:10.1080/14620316.2011.11512751

Cited by 7 publications

(4 citation statements)

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“…However, Pereira et al (2014b) observed 87% fruit fixation. This controversial effect may occur depending on the date of treatment with NAA (Reig et al, 2014;Yang et al, 2012).…”

Section: Discussionmentioning

confidence: 99%

“…However, only 8% fixation of 'Gefner' atemoya fruit was observed when 450 mg L −1 of naphthalene acetic acid was applied 148 days after the first application, while Pereira et al (2014a) observed 87% fruit fixation using the same dose in 'Gefner' atemoya. This controversial effect may have occurred due to the date when the naphthalene acetic acid treatment was applied, the inhibition of pollen grain germination and/or interruption of pollen tube growth (Reig, Mesejo, Martínez-Fuentes, & Agustí, 2014;Yang, Wang, Fu, Deng, & Tao, 2012), as has been observed in other cultures (Chouza, Gravina, & Borges, 2011;Reig et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

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Effect of plant-growth regulators, adjuvants and artificial pollination on the fixation and quality of Annona squamosa L cultivars’ fruit

Chagas,

Crane,

Chagas

et al. 2023

Acta Sci. Agron.

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The aim of the study was to assess the effect of plant regulators (gibberellic acid and naphthalene acetic acid) and adjuvant LI 700® with and without hand pollination on the fruiting and quality of Annona squamosa L. cultivars. The experiment was conducted in the experimental orchard of the Florida Tropical Research and Education Center (TREC/UF) in Homestead, Florida, USA. The experimental design in random blocks comprised 14 treatments, 10 repetitions and 3 flowers per treatment and per tree for ‘Red’ and ‘Lessard Thai’ cultivars. To assess quality, 9 fruit from each treatment were used, with 3 repetitions and 3 fruit per repetition. High instability was observed in fruit fixation rates between cultivars. The application of growth regulators did not increase fruit fixation in the tested cultivars. The application of naphthalene acetic acid had a deleterious effect on the flowers of the sugar apple cultivars. The most uneven (asymmetrical) fruit was obtained in the treatments with the application of growth regulators. The application of the adjuvant showed toxicity, causing damage to the skin of the fruit. The fruit with the greatest symmetry had the lowest levels of soluble solids and the highest toxicity. The application of growth regulators associated with hand pollination was not efficient, presenting a low percentage of fruit fixation for Annonaceae cultivars. None of the studied treatments produced parthenocarpic fruit (without seeds). The utilization of an adjuvant in the applied concentration caused damage to the fruit peels (darkening) due to toxicity in both cultivars.

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“…However, Pereira et al (2014b) observed 87% fruit fixation. This controversial effect may occur depending on the date of treatment with NAA (Reig et al, 2014;Yang et al, 2012).…”

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Effect of plant-growth regulators, adjuvants and artificial pollination on the fixation and quality of Annona squamosa L cultivars’ fruit

Chagas,

Crane,

Chagas

et al. 2023

Acta Sci. Agron.

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“…Loquat ( Eriobotrya japonica Lindl) originated in China and has been cultivated for 2100 years. Owing to its economic and ecological attributes, loquat is an important perennial fruit crop species and is cultivated largely between the N 35° and S 35° latitudes worldwide [ 1 – 2 ]. Loquat blossoms in late autumn or early winter, and young fruits are vulnerable to freezing injury [ 3 – 5 ].…”

Section: Introductionmentioning

confidence: 99%

Single-molecule real-time sequencing of the full-length transcriptome of loquat under low-temperature stress

Pan¹,

Wang²,

Tao³

et al. 2020

PLoS ONE

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In this study, third-generation full-length (FL) transcriptome sequencing was performed of loquat using single-molecule real-time(SMRT) sequencing from the pooled cDNA of embryos of young loquat fruit under different low temperatures (three biological replicates for treatments of 1˚C,-1˚C, and-3˚C, for 12 h or 24 h) and the control group(three biological replicates for treatments of room temperature), Illumina sequencing was used to correct FL transcriptome sequences. A total of 3 PacBio Iso-Seq libraries (1-2 kb, 2-3 kb and 3-6 kb) and 21 Illumina transcriptome libraries were constructed, a total of 13.41 Gb of clean reads were generated, which included 215,636 reads of insert (ROIs) and 121,654 FL, non-chimaric (FLNC) reads. Transcript clustering analysis of the FLNC reads revealed 76,586 consensus isoforms, and a total of 12,520 high-quality transcript sequences corrected with non-FL sequences were used for subsequent analysis. After the redundant reads were removed, 38,435 transcripts were obtained. A total of 27,905 coding DNA sequences (CDSs) were identified, and 407 long non-coding RNAs (lncRNAs) were ultimately predicted. Additionally, 24,832 simple sequence repeats (SSRs) were identified, and a total of 1,295 alternative splicing (AS) events were predicted. Furthermore, 37,993 transcripts were annotated in eight functional databases. This is the first study to perform SMRT sequencing of the FL transcriptome of loquat. The obtained transcriptomic data are conducive for further exploration of the mechanism of loquat freezing injury and thus serve as an important theoretical basis for generating new loquat material and for identifying new ways to improve loquat cold resistance.

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“…The loquat (Eriobotrya japonica) is a small evergreen tree of the Maloideae subfamily of the Rosaceae family (Su et al, 2019). Its fruits are soft and juicy, rich in a variety of amino acids and trace elements, and popular among consumers (Yang et al, 2012). Loquat leaves and flowers are also used to treat cough, asthma, and chronic bronchitis (Kikuchi et al, 2014).…”

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confidence: 99%

Analysis of SSR Information of Flower Transcriptome in Loquat

Fu¹,

Yang²

2023

mpb

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In order to provide scientific basis for studying the genetic diversity and molecular marker-assisted breeding of loquat, new molecular markers of loquat were developed by analyzing flower transcriptome data. In this study, MIcroSAtellite (MISA) and Blast2GO were used for SSR searching, screening, identification, and analysis of non-redundant Unigenes, and Primer 3 was used for SSR primer design. A search found that 28 617 Unigenes contained 44 622 SSR loci, and the frequency of occurrence of SSR loci was 47.51%, and the total average distribution distance was 4.87 kb. Mononucleotide and dinucleotide repeats were the main repeat types of SSR in the loquat flower transcriptome that the SSR of mononucleotide and dinucleotide repeats accounted for 52.09% and 32.83% of the total SSR, respectively. The dominant repeat motifs were A/T and AG/CT, which accounted for 50.94% and 26.70% of the mononucleotide repeats and dinucleotide respectively, and the 65.79% length of motif was concentrated in 12~20 bp. Gene Ontology (GO) functional classification showed that 28 617 loquat flower transcriptome Unigenes containing SSR loci were enriched in 51 GO terms of the 3 GO categories, and the biological process category involved the most GO terms (21). Primers for 34 301 SSR sequences were successfully designed, with a success rate of 76.87%. It is shown by the analysis that the flower transcriptome SSR loci had high frequency, high distribution density, and high polymorphism potential and could provide abundant repeat types. These could provide scientific basis for studying quantitative trait loci mapping, molecular marker-assisted breeding, genome evolution, genetic diversity analysis.

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Effects of simulated rain on pollen-stigma adhesion and fertilisation in loquat (Eriobotrya japonicaLindl.)

Cited by 7 publications

References 0 publications

Effect of plant-growth regulators, adjuvants and artificial pollination on the fixation and quality of Annona squamosa L cultivars’ fruit

Effect of plant-growth regulators, adjuvants and artificial pollination on the fixation and quality of Annona squamosa L cultivars’ fruit

Single-molecule real-time sequencing of the full-length transcriptome of loquat under low-temperature stress

Analysis of SSR Information of Flower Transcriptome in Loquat

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