Improving fruit size and quality of low yielding and small fruited pear cultivars with benzyladenine and gibberellin applications

Canli, Fatih Ali; Pektaş, Mustafa

doi:10.17660/ejhs.2015/80.3.2

Cited by 12 publications

(10 citation statements)

References 25 publications

(37 reference statements)

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“…The GAs receptor, GID1 (GA Insensitive Dwarf 1), could achieve GAs signaling transduction by degrading DELLA proteins [ 13 ]. The fruit yield was also increased by exogenous GAs treatment in some species [ 14 , 15 ]. Furthermore, the exogenous GAs treatment could regulate the expression of DELLA proteins, GID1, and GA oxidases to influence the endogenous GA biosynthesis and signaling transduction pathways [ 16 ].…”

Section: Introductionmentioning

confidence: 99%

Analysis of Transcriptional Responses of the Inflorescence Meristems in Jatropha curcas Following Gibberellin Treatment

Hui

Wang

Chen

et al. 2018

IJMS

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Jatropha curcas L. seeds an oilseed plant with great potential for biodiesel production. However, low seed yield, which was limited by its lower female flowers, was a major drawback for its utilization. Our previous study found that the flower number and female-to-male ratio were increased by gibberellin treatment. Here, we compared the transcriptomic profiles of inflorescence meristem at different time points after gibberellic acid A3 (GA3) treatment. The present study showed that 951 differentially expressed genes were obtained in response to gibberellin treatment, compared with control samples. The 6-h time point was an important phase in the response to exogenous gibberellin. Furthermore, the plant endogenous gibberellin, auxin, ethylene, abscisic acid, and brassinolide-signaling transduction pathways were repressed, whereas the genes associated with cytokinin and jasmonic acid signaling were upregulated for 24-h time point following GA3 treatment. In addition, the floral meristem determinacy genes (JcLFY, JcSOC1) and floral organ identity genes (JcAP3, JcPI, JcSEP1-3) were significantly upregulated, but their negative regulator (JcSVP) was downregulated after GA3 treatment. Moreover, the effects of phytohormone, which was induced by exogenous plant growth regulator, mainly acted on the female floral differentiation process. To the best of our knowledge, this data is the first comprehensive analysis of the underlying transcriptional response mechanism of floral differentiation following GA3 treatment in J. curcas, which helps in engineering high-yielding varieties of Jatropha.

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Section: Introductionmentioning

confidence: 99%

Analysis of Transcriptional Responses of the Inflorescence Meristems in Jatropha curcas Following Gibberellin Treatment

Hui

Wang

Chen

et al. 2018

IJMS

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“…Earlier reports have revealed that the application of GA3 increased bulb weight in onion under deficit irrigation [63]. On the contrary, a few results have shown that the application of GAs caused a decline in tuber production in potato [64]; fruit production in sweet pepper [65], grape [66], and pear [67]; and root weight in carrot [59]. In potatoes, it was testified that GA3 treatment improved the number of tubers per plant [68].…”

Section: Gibberellic Acidmentioning

confidence: 99%

“…In addition, it has been stated that a high concentration of GA 3 and high frequency of application GA 3 inhibit lettuce growth [60] and decrease fruit weight in plum [81]. The application of GA 3 decreased root, tuber, fruit weight, and yield in other crops as well [59,64,67]. Previous reports have revealed that the application of GA 3 had a positive and negative effect on the organ nutritive eminence of potatoes, sweet peppers, and sweet cherries [65,82,83].…”

Section: Gibberellic Acidmentioning

confidence: 99%

Mechanism of Allium Crops Bulb Enlargement in Response to Photoperiod: A Review

Atif

Ahanger

Amin

et al. 2020

IJMS

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The photoperiod marks a varied set of behaviors in plants, including bulbing. Bulbing is controlled by inner signals, which can be stimulated or subdued by the ecological environment. It had been broadly stated that phytohormones control the plant development, and they are considered to play a significant part in the bulb formation. The past decade has witnessed significant progress in understanding and advancement about the photoperiodic initiation of bulbing in plants. A noticeable query is to what degree the mechanisms discovered in bulb crops are also shared by other species and what other qualities are also dependent on photoperiod. The FLOWERING LOCUS T (FT) protein has a role in flowering; however, the FT genes were afterward reported to play further functions in other biological developments (e.g., bulbing). This is predominantly applicable in photoperiodic regulation, where the FT genes seem to have experienced significant development at the practical level and play a novel part in the switch of bulb formation in Alliums. The neofunctionalization of FT homologs in the photoperiodic environments detects these proteins as a new class of primary signaling mechanisms that control the growth and organogenesis in these agronomic-related species. In the present review, we report the underlying mechanisms regulating the photoperiodic-mediated bulb enlargement in Allium species. Therefore, the present review aims to systematically review the published literature on the bulbing mechanism of Allium crops in response to photoperiod. We also provide evidence showing that the bulbing transitions are controlled by phytohormones signaling and FT-like paralogues that respond to independent environmental cues (photoperiod), and we also show that an autorelay mechanism involving FT modulates the expression of the bulbing-control gene. Although a large number of studies have been conducted, several limitations and research gaps have been identified that need to be addressed in future studies.

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“…Generally, varying responses in fruit development have been observed when CKs are exogenously applied in a range of fruit crops ( Table 4 ). For example, in pear, 100 mg/L BA substantially improved fruit size without any adverse effect on the yield and fruit shape [ 205 ]. In pear, responses to BA application were strictly cultivar-dependent, as the preharvest BA application significantly increased the fruit size of ‘Spadona’ cultivar, while substantial fruit thinning was observed in ‘Coscia’ pear [ 206 ].…”

Section: Effects Of Cytokinins In Different Phases Of Horticulturamentioning

confidence: 99%

Applications of Cytokinins in Horticultural Fruit Crops: Trends and Future Prospects

et al. 2020

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Cytokinins (CKs) are a chemically diverse class of plant growth regulators, exhibiting wide-ranging actions on plant growth and development, hence their exploitation in agriculture for crop improvement and management. Their coordinated regulatory effects and cross-talk interactions with other phytohormones and signaling networks are highly sophisticated, eliciting and controlling varied biological processes at the cellular to organismal levels. In this review, we briefly introduce the mode of action and general molecular biological effects of naturally occurring CKs before highlighting the great variability in the response of fruit crops to CK-based innovations. We present a comprehensive compilation of research linked to the application of CKs in non-model crop species in different phases of fruit production and management. By doing so, it is clear that the effects of CKs on fruit set, development, maturation, and ripening are not necessarily generic, even for cultivars within the same species, illustrating the magnitude of yet unknown intricate biochemical and genetic mechanisms regulating these processes in different fruit crops. Current approaches using genomic-to-metabolomic analysis are providing new insights into the in planta mechanisms of CKs, pinpointing the underlying CK-derived actions that may serve as potential targets for improving crop-specific traits and the development of new solutions for the preharvest and postharvest management of fruit crops. Where information is available, CK molecular biology is discussed in the context of its present and future implications in the applications of CKs to fruits of horticultural significance.

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Improving fruit size and quality of low yielding and small fruited pear cultivars with benzyladenine and gibberellin applications

Cited by 12 publications

References 25 publications

Analysis of Transcriptional Responses of the Inflorescence Meristems in Jatropha curcas Following Gibberellin Treatment

Analysis of Transcriptional Responses of the Inflorescence Meristems in Jatropha curcas Following Gibberellin Treatment

Mechanism of Allium Crops Bulb Enlargement in Response to Photoperiod: A Review

Applications of Cytokinins in Horticultural Fruit Crops: Trends and Future Prospects

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