Exploring Carbohydrate Concentration Fluctuations in Pistachio (Pistacia vera L. cv Uzun) for Deeper Insights into Alternate Bearing Patterns

Author:

Guney Mujgan1ORCID,Gundesli Muhammet Ali2ORCID,Guney Murat1ORCID,Kafkas Salih3,Kafkas Nesibe Ebru3

Affiliation:

1. Department of Horticulture, Faculty of Agriculture, Yozgat Bozok University, Yozgat 66100, Turkey

2. Department of Plant and Animal Production, Nurdagi Vocational School, Gaziantep University, Gaziantep 27000, Turkey

3. Department of Horticulture, Faculty of Agriculture, Cukurova University, Adana 01330, Turkey

Abstract

Alternate bearing (AB) is of great importance in horticulture and leads to fluctuations in yield variation. Although AB is a natural phenomenon to optimize resource allocation and improve crop productivity and profitability in plants, understanding the factors that influence AB can help in implementing effective management strategies to reduce the negative effects and promote consistent and sustainable production. This study aimed to investigate the variation in carbohydrate levels in various tissues of both bearing and non-bearing pistachio (Pistacia vera L. cv Uzun) trees during different periods of growth development in two consecutive years to gain a deeper understanding of their potential contribution to AB. Twelve 34-year-old pistachio trees, consisting of six “ON” and six “OFF” year trees, were accidentally selected from a pistachio orchard. The “OFF” year trees were induced two years before sampling to be in the “OFF” year state by artificially removing flower buds. Sucrose was the main soluble sugar in the different parts of the pistachio tree studied. In general, the amount of sugar was higher in the non-bearing year than in the bearing year. It was found that non-structural carbohydrates of trees decreased between June and July, resulting in flower buds to abscise. The amount of carbohydrates decreased during nut development in “ON” trees, indicating the possible role of carbohydrates in AB.

Funder

General Directorate of Agricultural Research and Policies of Turkey

Cukurova University Scientific Research Projects

Publisher

MDPI AG

Subject

Management, Monitoring, Policy and Law,Renewable Energy, Sustainability and the Environment,Geography, Planning and Development,Building and Construction

Reference26 articles.

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2. Alternate Bearing in Fruit Crops: Causes and Control Measures;Jangid;Asian J. Agric. Res.,2023

3. Physiological and molecular basis of alternate bearing in perennial fruit crops;Sharma;Sci. Hortic.,2019

4. Alternate bearing in fruit trees: Fruit presence induces polar auxin transport in citrus and olive stem and represses IAA release from the bud;Haim;J. Exp. Bot.,2021

5. Alternate bearing in fruit plants;Ali;J. Agric. Biol. Sci.,2022

Cited by 1 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Effect of Rootstock on Some Aspects of Pistachio (Pistacia vera L.): A Review;European Journal of Theoretical and Applied Sciences;2024-01-01

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