Research progress on promoting sprouting and branching of pear

doi:10.16178/j.issn.0528-9017.20230723

Abstract

Abstract:

Promoting sprouting and branching is an important technical measure in pear cultivation. The emergence of branches is influenced by both variety differences and the use of exogenous hormones. The influence of molecular and chemical factors is closely related to cultivation techniques such as fertilizer and water management and pruning techniques. Currently, regarding the cultivation of promoting pear sprouting and branching, management techniques and molecular regulation have been reported, but there are few systematic discussions on pear tree sprouting and branching, especially in-depth molecular research reports. This article summarized the main factors affecting the sprouting and branching of pear trees include the characteristics of pear buds and the characters of sprouting and branching, and the physical factors of bud-notching, pruning, cutting-off, girdling, pinching, branch bending, flower thinning, fruit thinning, as well as chemical factors related to different hormones and treatments. This article reviews the cultivation techniques for promoting the germination and branching of pear trees over the past few decades, including the progress in management, hormone use, and related molecular research, and prospects for research on pear tree sprouting and branching, with the aim of promoting pear tree shaping and pruning, as well as ensuring high and stable yields.

Key words: pear trees, sprouting and branching, branch renewal, latent bud, promotion measures, research progress

CLC Number:

S661.2

LIU Chunxiao, JIANG Xianda, LI Hui, KAN Jialiang, WANG Zhonghua, LI Xiaogang. Research progress on promoting sprouting and branching of pear[J]. Journal of Zhejiang Agricultural Sciences, 2024, 65(1): 117-124.

Figures/Tables 1

References 74

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年份	范围	总面积/ (万hm²)	单株产量/ (kg·hm^-2)	总产量/ 万t
2018	中国	94.9	17 072.6	1 619.66
	世界	138.3	17 156.6	2 372.10
2019	中国	96.1	18 104.1	1 740.50
	世界	138.2	17 557.2	2 426.70
2020	中国	96.7	18 522.9	1 791.70
	世界	138.8	18 008.2	2 498.60
2021	中国	98.7	19 238.3	1 897.80
	世界	140.0	18 334.4	2 565.90

年份	范围	总面积/ (万hm²)	单株产量/ (kg·hm^-2)	总产量/ 万t
2018	中国	94.9	17 072.6	1 619.66
	世界	138.3	17 156.6	2 372.10
2019	中国	96.1	18 104.1	1 740.50
	世界	138.2	17 557.2	2 426.70
2020	中国	96.7	18 522.9	1 791.70
	世界	138.8	18 008.2	2 498.60
2021	中国	98.7	19 238.3	1 897.80
	世界	140.0	18 334.4	2 565.90