|Table of Contents|

Effects of Different Amounts of Water and Fertilizer on the Growth of Branches and Fruits of Pear Trees

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2023年04
Page:
9-15
Research Field:
Publishing date:

Info

Title:
Effects of Different Amounts of Water and Fertilizer on the Growth of Branches and Fruits of Pear Trees
Author(s):
WANG Xinquan1; 2; 3; YU Sihai1; 2; 3; YANG Lili1; 2; 3; BAO Jianping1; 2; ZHI Jinhu1; 2; 3
(1.College of Agriculture，Tarim University，Alar，Xinjiang 843300；2.Collaborative Innovation Center of Eco-agriculture Around Tarim,Alar，Xinjiang 843300；3.Research Center of Agricultural Resources and Environment in Southern Xinjiang Oasis，Tarim University,Alar，Xinjiang 843300)
Keywords:
fragrant pear; the growth; irrigation amount; fertilizing amount
PACS:
-
DOI:
10.11937/bfyy.20222097
Abstract:
Five-year-old fragrant pear trees were used as experimental materials，single factor experiment was conducted，the effects of different fertilizer and irrigation amount on the growth and development of branches and fruit of pear were researched，including nitrogen fertilizer application amount (N1(10 kg?hm-2)，N2(15 kg?hm-2)，N3(20 kg?hm-2)，N4(25 kg?hm-2)，N5(30 kg?hm-2))，phosphorus fertilizer application amount (P1(5 kg?hm-2)，P2(10 kg?hm-2)，P3(15 kg?hm-2)，P4(20 kg?hm-2)，P5(25 kg?hm-2))，and irrigation amount (W1(6 240 m3?hm-2)，W2(6 720 m3?hm-2)，W3(7 200 m3?hm-2)，W4(7 680 m3?hm-2)，W5(8 160 m3?hm-2))，the changes of branches and fruit growth and development under different treatments were studied，in order to investigate the effects of different fertilization and irrigation formulations on the growth and development of pear tree，and to provide reference for scientific fertilization of pear tree.The results showed that when nitrogen application rate was N4，the total fruit tree branch growth was 49.32 cm,and when nitrogen application rate was N1,the total fruit tree branch growth was 40.78 cm.When the amount of P fertilizer was P3,the total growth of fruit tree branches was 40.40 cm,and when the amount of P fertilizer was P1,the total growth of fruit tree branches was 30.55 cm.When the irrigation amount was W4,the total fruit tree branch growth was the largest，which was 45.25 cm，when the irrigation amount was W1，the total fruit tree branch growth was the smallest，which was 38.35 cm.When nitrogen application rate was N2，N3 or P2，P3，P5，the fruit had secondary enlargement during development.In addition，when nitrogen fertilizer application amount was N3 or phosphorus fertilizer application amount was P3，the fruit growth trend was the most consistent with the fitting growth curve，R2 was 0.661 0 and 0.474 8，respectively，which was the most consistent with the growth law，and the fruit had secondary expansion phenomenon.Therefore，nitrogen was the primary factor affecting the total fruit tree branch growth and fruit shape index.

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Last Update: 2023-03-21