Effect of tree shape on the growth and fruit quality of Citrus Beni Madonna

doi:10.16178/j.issn.0528-9017.20250844

Abstract

Abstract:

This study compared the effects of different tree shapes on crown size，fruiting characteristics，fruit quality，yield，and commercial fruit rate of Citrus Beni Madonna. Results showed that the one trunk and multiple branches wavy shape achieved tree height comparable to the round-headed shape，which was significantly （p<0.05）higher than that of the open-heart shape by 81.88%. Fruits from one trunk and multiple branches wavy shape exhibited bright coloration similar to open-heart shape. Its single fruit weight was 278.23 g and soluble solids content was 14.12%，which were significantly higher than those in the other groups， and the contents of total sugar，glucose，fructose，citric acid，and malic acid were the highest， which were 110.24，12.64，32.69，7.82，and 1.64 mg·g^-1， respectively，while the total acidity was the lowest， which was 7.13 mg·g^-1. The yield per plant，commercial fruit rate and premium fruit rate under this shape showed the highest improvements compared with the other groups，with increases of 43.58%-53.17%，32.22-45.10 percentage points，and 41.56-56.07 percentage points， respectively. Overall，the three tree shapes demonstrated hierarchical effectiveness， as one trunk and multiple branches wavy> open-heart> round-headed.

Key words: Citrus Beni Madonna, tree shape, fruit quality, yield, commercial fruit rate

CLC Number:

S643.7

ZHANG Bo, HUANG Jindao, ZHANG Zhixiong, LIANG Senmiao. Effect of tree shape on the growth and fruit quality of Citrus Beni Madonna[J]. Journal of Zhejiang Agricultural Sciences, 2026, 67(6): 1507-1510.

Figures/Tables 5

References 14

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处理	树高/m	冠径/m
处理	树高/m	东西	南北
1	2.71±0.25 a	2.81±0.16 a	2.92±0.51 a
2	2.71±0.31 a	2.72±0.12 a	2.55±0.46 b
3	1.49±0.29 b	2.81±0.22 a	2.61±0.39 b

处理	树高/m	冠径/m
处理	树高/m	东西	南北
1	2.71±0.25 a	2.81±0.16 a	2.92±0.51 a
2	2.71±0.31 a	2.72±0.12 a	2.55±0.46 b
3	1.49±0.29 b	2.81±0.22 a	2.61±0.39 b

处理	明度L^*	红绿值a^*	黄蓝值b^*
1	68.13±3.29 a	36.95±2.78 a	65.28±5.27 a
2	56.45±4.12 b	30.38±1.99 b	56.97±3.54 b
3	67.81±4.86 a	35.12±3.13 ab	64.04±5.10 a

处理	明度L^*	红绿值a^*	黄蓝值b^*
1	68.13±3.29 a	36.95±2.78 a	65.28±5.27 a
2	56.45±4.12 b	30.38±1.99 b	56.97±3.54 b
3	67.81±4.86 a	35.12±3.13 ab	64.04±5.10 a

处理	单果重/g	果实纵径/mm	果实横径/mm
1	278.23±15.26 a	86.24±3.64 a	91.05±2.98 a
2	251.07±17.24 b	78.06±2.78 b	82.29±3.21 b
3	235.91±20.51 c	69.24±4.03 c	71.83±5.11 c