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Brazilian Journal of Botany

, Volume 42, Issue 2, pp 283–294 | Cite as

Plant-derived nutrient solution improves thinning effect on pear flowers and fruits

  • Jianjian Wu
  • Ji Tian
  • Jie Zhang
  • Gang Yang
  • Tingting Song
  • Yuncong YaoEmail author
Original Article
  • 14 Downloads

Abstract

Pear (Pyrus pyrifolia (Burm. f.) cv. Nak.) is cultivated worldwide, with China ranking as the top producer of Asian pear. Pear trees often waste a lot of nutrients during the growing process, due to the large number of flowers on the trees. Traditional thinning methods to reduce flower number are often laborious and time-consuming and affect fruit quality. Here, we investigated the use of plant-derived nutrient solution (PDNS), a liquid organic fertilizer that is made from naturally fallen tree fruit, as a thinning agent. PDNS was sprayed onto two pear cultivars, ‘Whangkeumbae’ and ‘Hosui’ during bud, flower and fruit stage. We observed that the thinning effect of PDNS was significantly greater than that of widely used chemical thinning agents and that PDNS can promote pear tree vegetative growth and fruit quality. The work described in this report lays a foundation for developing protocols using environmentally benign thinning agents in organic fruit production.

Keywords

Comprehensive evaluation Fruit cultivation Fruit quality Thinning effect 

Notes

Acknowledgements

We thank the Fruit Tree Key Laboratory at the Beijing University of Agriculture and the Beijing Nursery Engineering Research Center for Fruit Crops for providing experimental resources. We also thank PlantScribe (www.plantscribe.com) for editing this manuscript. Financial support was provided by the National Science and Technology Support Program (2014BAD16B03), the Beijing Science and Technology Project (D161100000716003) and ‘the Project of Construction of Innovative Teams and the Teacher Career Development for Universities and Colleges Under Beijing Municipality’ (IDHT20180509).

Authors’ contributions

YY conceived and designed the experiments; JW, GY and JZ performed the experiments; JT and JW analyzed the data; TS and YY contributed reagents/materials/analysis tools; JW and JT wrote the paper.

Compliance with ethical standards

Conflict of interest

The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.

Supplementary material

40415_2019_538_MOESM1_ESM.docx (86 kb)
Supplementary material 1 (DOCX 86 kb)

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Copyright information

© Botanical Society of Sao Paulo 2019

Authors and Affiliations

  • Jianjian Wu
    • 1
    • 2
    • 3
  • Ji Tian
    • 1
    • 2
    • 3
  • Jie Zhang
    • 2
    • 3
  • Gang Yang
    • 2
  • Tingting Song
    • 1
    • 2
  • Yuncong Yao
    • 1
    • 2
    • 3
    Email author
  1. 1.Beijing Advanced Innovation Center for Tree Breeding by Molecular DesignBeijing University of AgricultureBeijingChina
  2. 2.Plant Science and Technology CollegeBeijing University of AgricultureBeijingChina
  3. 3.Beijing Collaborative Innovation Center for Eco-environmental Improvement with Forestry and Fruit TreesBeijingChina

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