Comparisons of leaf functional characteristics of nine olive varieties

doi:10.12302/j.issn.1000-2006.202006011

JOURNAL OF NANJING FORESTRY UNIVERSITY ›› 2021, Vol. 45 ›› Issue (2): 159-164.doi: 10.12302/j.issn.1000-2006.202006011

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Comparisons of leaf functional characteristics of nine olive varieties

DU Jincheng(), LI Xinxin, DENG Xiaobing, MU Changlong^*()

Sichuan Academy of Forestry Science, Chengdu 610081, China

Received:2020-06-11 Accepted:2020-12-30 Online:2021-03-30 Published:2021-04-09
Contact: MU Changlong E-mail:78830818@qq.com;mucl2006@aliyun.com

Abstract

Abstract:

【Objective】This research aimed to study the functional characteristics of Olea europaea L. leaves, select the dominant varieties in the study area, and provide a scientific basis for the promotion and planting of olives in the Sichuan Basin. 【Method】Nine dominant olive varieties of the Sichuan Basin were selected to evaluate leaf morphological and photosynthetic characteristics, photosynthetic pigment concentrations and nutrient contents. 【Result】The functional traits of leaves of nine olive varieties showed some inter-species differences, and the leaf functional characters had a significant positive effect on ‘Assanbella’, followed by ‘Ezhi-8’, ‘Leccino’, ‘Arbequina’, ‘Koroneiki’ and ‘Picual’, and a negative influence on ‘Coratina’, ‘Manzanillo’ and ‘Grossane’, among which ‘Grossane’ was the worst. The changes in leaf thickness, dry matter and nutrient contents of nine olive varieties were the same, as were the changes in photosynthetic characteristics and pigment contents. 【Conclusion】The nine olive varieties evaluated have different leaf functional characteristics in the same habitat, showing different adaptive plasticity. Among these varieties, ‘Assanbella’, ‘Ezhi-8’, ‘Leccino’, ‘Arbequina’, ‘Koroneiki’ and ‘Picual’ have better functionality, which can facilitate their wide use in the central Sichuan Basin.

Key words: Olea europaea L., variety, leaf morphological characteristics, photosynthetic characteristics, chlorophyll content, nutrient elements

CLC Number:

S718
S794

DU Jincheng, LI Xinxin, DENG Xiaobing, MU Changlong. Comparisons of leaf functional characteristics of nine olive varieties[J]. JOURNAL OF NANJING FORESTRY UNIVERSITY, 2021, 45(2): 159-164.

Figures/Tables 5

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Table 5

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品种 variety	树龄/a tree age	株高/m height	冠幅/m crown width	主干粗度/cm main trunk
LX	4	3.3	4.2	42
AS	4	3.2	2.9	32
GL	4	3.2	3.4	35
DG	4	2.7	2.2	20
KL	4	3.0	3.2	40
XP	4	2.9	2.6	24
EZ	4	2.9	4.3	36
PG	4	3.0	3.2	34
KLL	4	3.0	3.2	30

品种 variety	叶长/mm leaf length	叶宽/mm leaf width	叶片厚度/ mm leaf thi- ckness	百叶干质量/g 100 leaf dry matter content
LX	56.72±2.02 bc	14.76±1.32 ab	0.62±0.08 b	154.47 ab
AS	67.04±3.58 a	15.27±0.61 a	0.60±0.04 b	163.35 a
GL	58.36±2.98 bc	10.19±0.72 c	0.54±0.02 b	124.38 de
DG	53.90±2.36 c	12.89±1.12 ab	0.62±0.05b	131.89 cd
KL	66.75±5.63 a	7.98±0.82 d	0.50±0.06 b	115.21 e
XP	48.40±1.58 d	12.79±1.29 b	0.54±0.03 b	126.83 de
EZ	54.94±2.18 bc	14.79±0.41 ab	0.74±0.21 ab	150.16 ab
PG	59.01±3.86 b	13.03±0.55 ab	0.90±0.13 a	144.21 bc
KLL	58.48±4.85 bc	12.57±1.23 b	0.69±0.13 ab	147.71 b

品种 variety	P_n/ (μmol·m^-2·s^-1)	T_r/ (mmol·m^-2·s^-1)	G_s/ (mol·m^-2·s^-1)	C_i/ (μmol·mol^-1)	V_pdL/kPa
LX	8.01±0.07 b	2.32±0.01 b	0.06±0.00 cd	264.98±5.25 a	3.80±1.29 a
AS	11.94±0.22 a	2.53±0.01 a	0.07±0.00 a	269.75±0.67 a	3.46±0.01 ab
GL	3.16±0.00 g	0.75±0.00 i	0.03±0.00 e	225.74±4.06 b	2.33±0.02 c
DG	5.57±0.02 d	1.75±0.01 e	0.05±0.00 d	179.02±3.09 d	2.93±0.01 bc
KL	3.47±0.00 f	1.34±0.01 h	0.04±0.00 e	112.40±7.35 e	2.88±0.01 bc
XP	4.54±0.00 e	1.45±0.03 g	0.06±0.00 bc	106.29±0.45 e	2.86±0.04 bc
EZ	6.45±0.32 c	1.85±0.00 d	0.06±0.00 bc	222.82±1.81 bc	3.26±0.85 ab
PG	5.66±0.08 d	1.91±0.01 c	0.07±0.01 ab	203.12±20.70 c	3.02±0.03 abc
KLL	5.57±0.22 d	1.56±0.00 f	0.05±0.01 cd	176.39±1.70 d	2.79±0.01 bc

品种 variety	叶绿素a chlorophyll a	叶绿素b chlorophyll b	类胡萝卜素 carotinoid
LX	0.95±0.11 abc	0.34±0.02 ab	0.05±0.02 abc
AS	1.34±0.28 a	0.49±0.14 a	0.06±0.01 a
GL	0.53±0.11 c	0.19±0.04 b	0.03±0.01 bc
DG	0.95±0.05 abc	0.34±0.00 ab	0.05±0.02 abc
KL	0.84±0.32 abc	0.28±0.05 ab	0.05±0.01 abc
XP	0.74±0.10 bc	0.29±0.11 ab	0.03±0.00 c
EZ	1.22±0.30 ab	0.41±0.01 a	0.05±0.02 abc
PG	1.15±0.08 ab	0.45±0.15 a	0.06±0.01 ab
KLL	0.90±0.24 abc	0.32±0.09 ab	0.06±0.01 a

品种 variety	氮/ (mg·g^-1) N	磷/ (mg·g^-1) P	钾/ (mg·g^-1) K	钙/ (mg·g^-1) Ca	镁/ (mg·g^-1) Mg	硼/ (μg·g^-1) B
LX	64.01±2.87 bc	2.23±0.06 ab	3.22±0.28 ab	17.49±0.2 bc	3.64±0.06 abc	24.29±0.70 b
AS	78.71±0.93 a	2.26±0.26 ab	3.39±0.39 a	16.91±0.02 c	3.78±0.20 ab	23.95±0.05 b
GL	56.32±0.40 de	1.86±0.08 b	2.23±0.00 bc	16.43±1.08 c	3.27±0.27 bc	15.24±0.70 e
DG	69.07±0.43 b	2.17±0.17 ab	2.47±0.33 abc	16.78±1.15 c	3.40±0.09 bc	22.77±0.77 b
KL	51.66±0.38 e	1.85±0.26 b	2.03±0.24 c	12.33±0.27 e	2.95±0.15 c	18.28±0.30 d
XP	44.21±1.64 f	1.89±0.04 ab	1.85±0.32 c	14.44±0.55 d	3.29±0.30 bc	14.40±0.91 e
EZ	76.22±2.28 a	2.45±0.13 a	2.63±0.16 abc	19.13±0.34 b	4.24±0.30 a	28.14±0.44 a
PG	62.57±0.03 c	2.27±0.05 ab	2.62±0.31 abc	23.87±0.07 a	3.66±0.07 abc	24.66±0.93 b
KLL	58.61±0.52 cd	2.10±0.19 ab	2.51±0.24 abc	16.59±0.64 c	3.52±0.38 abc	20.52±0.38 c

Comparisons of leaf functional characteristics of nine olive varieties

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品种 variety	树龄/a tree age	株高/m height	冠幅/m crown width	主干粗度/cm main trunk
LX	4	3.3	4.2	42
AS	4	3.2	2.9	32
GL	4	3.2	3.4	35
DG	4	2.7	2.2	20
KL	4	3.0	3.2	40
XP	4	2.9	2.6	24
EZ	4	2.9	4.3	36
PG	4	3.0	3.2	34
KLL	4	3.0	3.2	30

品种 variety	树龄/a tree age	株高/m height	冠幅/m crown width	主干粗度/cm main trunk
LX	4	3.3	4.2	42
AS	4	3.2	2.9	32
GL	4	3.2	3.4	35
DG	4	2.7	2.2	20
KL	4	3.0	3.2	40
XP	4	2.9	2.6	24
EZ	4	2.9	4.3	36
PG	4	3.0	3.2	34
KLL	4	3.0	3.2	30

品种 variety	树龄/a tree age	株高/m height	冠幅/m crown width	主干粗度/cm main trunk
LX	4	3.3	4.2	42
AS	4	3.2	2.9	32
GL	4	3.2	3.4	35
DG	4	2.7	2.2	20
KL	4	3.0	3.2	40
XP	4	2.9	2.6	24
EZ	4	2.9	4.3	36
PG	4	3.0	3.2	34
KLL	4	3.0	3.2	30