Flower and leaf bud density manipulation affects fruit set, leaf-to-fruit ratio, and yield in southern highbush ‘Misty’ blueberry

Kumarihami, H. M. Prathibhani C.; Park, Hyo-Geun; Kim, Su-Mi; Park, Jung-In; Lee, Eun-Jin; Kim, Hong Lim; Kim, Jin Gook

doi:10.1016/j.scienta.2021.110530

Cited by 11 publications

(4 citation statements)

References 16 publications

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“…This stage commences with the induction of floral buds, followed by the differentiation of primordia and finally the maturation of the floral organs [ 41 , 42 ]. An increase in the number of flower buds and quantity of flowers induces greater fruit formation, which could be associated with a higher fruit yield [ 43 , 44 ]. As expected, GLU and 6-BAP ( Table 1 ) increased bud sprouting in blueberry, which concurs with reports by El-Metwally et al [ 45 ] showing that 20 mg L −1 GLU increased the number of branches and fruits per plant in peanut, whereas the application of 5 mM (735 mg L −1 ) GLU in sunflower improved the morphological characteristics, root length, plant height, and number of flowers [ 46 ].…”

Section: Discussionmentioning

confidence: 99%

Effect of Glutamic Acid and 6-benzylaminopurine on Flower Bud Biostimulation, Fruit Quality and Antioxidant Activity in Blueberry

Pérez-León,

González-Fuentes,

Valdez-Aguilar

et al. 2023

Plants

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Blueberry is a highly demanded and consumed fruit due to its beneficial effects on human health, because of its bioactive compounds with a high antioxidant capacity. The interest in increasing the yield and quality of blueberries has led to the application of some innovative techniques such as biostimulation. The objective of this research was to assess the effect of the exogenous application of glutamic acid (GLU) and 6-benzylaminopurine (6-BAP) as biostimulants on flower bud sprouting, fruit quality, and antioxidant compounds in blueberry cv. Biloxi. The application of GLU and 6-BAP positively affected bud sprouting, fruit quality, and antioxidant content. The application of 500 and 10 mg L−1 GLU and 6-BAP, respectively, increased the number of flower buds, while 500 and 20 mg L−1 generated fruits with higher content of flavonoids, vitamin C, and anthocyanins and higher enzymatic activity of catalase and ascorbate peroxidase enzymes. Hence, the application of these biostimulants is an effective way to enhance the yield and fruit quality of blueberries.

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Section: Discussionmentioning

confidence: 99%

Effect of Glutamic Acid and 6-benzylaminopurine on Flower Bud Biostimulation, Fruit Quality and Antioxidant Activity in Blueberry

Pérez-León,

González-Fuentes,

Valdez-Aguilar

et al. 2023

Plants

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“…It is also known that leaves appear on blueberry bushes for a longer period and outweigh the amount of fruit, so their availability prompts the search for alternative uses for this type of raw material. It was also found that the highest fruit setting ratio of 4.8 ± 1.0 was observed when the leaf-to-fruit ratio was 6.2 ± 0.9 [18], which shows the need to care for the quality and quantity of leaves on bushes in blueberry cultivation.…”

Section: Introductionmentioning

confidence: 93%

Content of Bioactive Compounds in Highbush Blueberry Vaccinium corymbosum L. Leaves as a Potential Raw Material for Food Technology or Pharmaceutical Industry

Czernicka,

Sowa-Borowiec,

Puchalski

et al. 2024

Foods

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This study was performed to investigate the content of selected phenolic compounds, antioxidant activity and the levels of arbutin and hydroquinone in 25 varieties of highbush blueberry (Vaccinium corymbosum) leaf samples. An analysis of the bioactive components was performed using the HPLC technique and the antioxidant activity was determined via spectrophotometric methods. The content of chlorogenic acid in the analysed leaf extracts ranged from 52.76 mg/g (Spartan variety) to 32.37 mg/g (Nelson variety) and was present in the highest concentration among all the analysed phenolic acids. Particularly large levels of isoquercetin were found in the Aurora, Ivanhoe and Toro varieties (28.40 mg/g, 26.24 mg/g and 21.57 mg/g, respectively). An exceptionally high rutin content (p < 0.05) was found in the Ivanhoe variety (27.19 mg/g) as compared to the other varieties, where it ranged from 2.06 mg/g (Earliblue and Patriot varieties) to 10.55 mg/g (Bluejay variety). The Patriot variety was determined to possess the highest antioxidative activity using the FRAP method (1086.15 μmol Trolox/g d.w.) and based on its DPPH radical scavenging activity (1124.17 μmol Trolox/g d.w.). The total phenolic content (TPC) determined via spectrophotometry ranged from 48.11 mg GAE/g d.w. (Elizabeth variety) to 177.31 GAE/g d.w. (Patriot variety). The arbutin content in the leaves of all tested varieties exceeded 2%, so it can be concluded that they constitute a stable source of arbutin. Three varieties (Bonus, Chanticleer and Herbert) can be considered a potential alternative to bearberry and lingonberry leaves. The hydroquinone content in the analysed extracts was determined to be at a lower level. V. corymbosum leaves can be considered an interesting herbal material for use in traditional herbal medicinal products but not directly for food products and dietary supplements.

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“…Highbush blueberry has the potential to set nearly 100% of its flowers into fruits when resources are not limiting (Ehlenfeldt, 2001;Kumarihami et al, 2021), but this may not be achieved if pollination is inadequate or disrupted. Cultivated highbush blueberries are highly dependent upon successful pollination, with individual flowers requiring deposition of about 30 to 100 pollen tetrads to maximize fruit set and fruit mass, and to minimize ripening time (Dogterom et al, 2000;Sun et al, 2021).…”

Section: Pollination Requirementsmentioning

confidence: 99%

Toward evidence-based decision support systems to optimize pollination and yields in highbush blueberry

DeVetter

Chabert

Milbrath

et al. 2022

Front. Sustain. Food Syst.

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Highbush blueberry (Vaccinium spp.) is a globally important fruit crop that depends on insect-mediated pollination to produce quality fruit and commercially viable yields. Pollination success in blueberry is complex and impacted by multiple interacting factors including flower density, bee diversity and abundance, and weather conditions. Other factors, including floral traits, bee traits, and economics also contribute to pollination success at the farm level but are less well understood. As blueberry production continues to expand globally, decision-aid technologies are needed to optimize and enhance the sustainability of pollination strategies. The objective of this review is to highlight our current knowledge about blueberry pollination, where current research efforts are focused, and where future research should be directed to successfully implement a comprehensive blueberry pollination decision-making framework for modern production systems. Important knowledge gaps remain, including how to integrate wild and managed pollinators to optimize pollination, and how to provide predictable and stable crop pollination across variable environmental conditions. In addition, continued advances in pesticide stewardship are required to optimize pollinator health and crop outcomes. Integration of on- and off-farm data, statistical models, and software tools could distill complex scientific information into decision-aid systems that support sustainable, evidence-based pollination decisions at the farm level. Utility of these tools will require multi-disciplinary research and strategic deployment through effective extension and information-sharing networks of growers, beekeepers, and extension/crop advisors.

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Flower and leaf bud density manipulation affects fruit set, leaf-to-fruit ratio, and yield in southern highbush ‘Misty’ blueberry

Cited by 11 publications

References 16 publications

Effect of Glutamic Acid and 6-benzylaminopurine on Flower Bud Biostimulation, Fruit Quality and Antioxidant Activity in Blueberry

Effect of Glutamic Acid and 6-benzylaminopurine on Flower Bud Biostimulation, Fruit Quality and Antioxidant Activity in Blueberry

Content of Bioactive Compounds in Highbush Blueberry Vaccinium corymbosum L. Leaves as a Potential Raw Material for Food Technology or Pharmaceutical Industry

Toward evidence-based decision support systems to optimize pollination and yields in highbush blueberry

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