Comparison of Fig Growth and Leaf Photosynthetic Performance in Solar Greenhouse

doi:10.6048/j.issn.1001-4330.2022.04.013

Abstract

Abstract:

【Objective】 To select superior varieties of fig more suitable for the introduction and local cultivation in Hetian in Xinjiang. 【Methods】 Five fig varieties and one local variety introduced in the solar greenhouse in Hotan area were taken as the research objects, and the right angle hyperbolic correction model was used to fit and analyze the photosynthesis and effective photosynthetic radiation intensity of the leaves.【Result】 The net photosynthetic rate of 'Jinaofen' variety was the largest in the morning, reaching 23.4 μmol/(m²·s), which explained that it can quickly perform photosynthesis in the morning to assimilate more organic matter. In the morning, the dark breathing rate of Xinjiang Early Yellow was the lowest, at 0.86 μmol/(m²·s), and in the afternoon, the dark breathing rate of Branrick was the lowest, at 0.57 μmol/(m²·s). The light compensation points of the three varieties Xinjiang Zaohuan, Branrick and Jinaofen were lower, which were 30.0, 27.5, 30.0 μmol/(m²·s), showing that the last three varieties first accumulated organic matter, thus accumulating more energy in a limited time. The saturated light intensity of the four varieties Branrick, Japan Ziguo, Jinaofen and Xinjiang Zaohuang was relatively large, respectively 2,277.2,1,939.4,1,929.4 and 1,899.4 μmol/(m²·s). In the morning, Jinaofen and Minaia had high intrinsic quantum efficiency, which were 0.062 μmol/(m²·s) and 0.054 μmol/(m²·s). In addition, the apparent quantum yield was also relatively high, 0.126 μmol/(m²·s) and 0.049 μmol/(m²·s). In the afternoon, Jinaofen and Japan Ziguo had higher intrinsic quantum efficiencies: 0.051 μmol/(m²·s) and 0.048 μmol/(m²·s). The apparent quantum efficiency of Japanese Ziguo was also high, which was 0.040 μmol/(m²·s).【Conclusion】 Jinaofen has the most excellent comprehensive photosynthetic performance among the six varieties; The comprehensive photosynthetic performance of the four varieties Menaya, Qingpi, Branrik and Xinjiang Zaohuang is at the second rank; Japan Ziguo has poor comprehensive photosynthetic performance.

Key words: fig; photosynthesis; variety

摘要：

【目的】筛选出适合新疆和田引种的无花果优势品种。【方法】在和田地区日光温室内,以引进的5个2年生无花果品种和1个当地品种为研究对象,调查枝叶生长指标,采用PP-Systerm公司的TPS-2光合仪测定叶片光合作用,运用直角双曲线修正模型对叶片光合作用和光合有效辐射强度进行拟合分析。【结果】金傲芬品种在上午时的净光合速率最大,达到23.4 μmol/(m²·s);新疆早黄、布兰瑞克、金傲芬3个品种的光补偿点较低,分别为30.0、27.5和30.0 μmol/(m²·s);布兰瑞克、日本紫果、金傲芬、新疆早黄4个品种的饱和光强较大,分别为2 277.2、1 939.4、1 929.4和1 899.4 μmol/(m²·s);在上午时金傲芬和美娜亚具有较高的内禀量子效率,为0.062和0.054 μmol/(m²·s);表观量子产额也相对较高,为0.126和0.049 μmol/(m²·s);在下午时金傲芬和日本紫果有较高的内禀量子效率,为0.051和0.048 μmol/(m²·s);日本紫果的表观量子效率也较高,为0.040 μmol/(m²·s);上午时新疆早黄的暗呼吸速率最低,为0.86 μmol/(m²·s),下午时布兰瑞克的暗呼吸速率最低,为0.57 μmol/(m²·s)。【结论】布兰瑞克、青皮枝条节间较短、叶片较小、生长势中庸,较适宜温室栽培;金傲芬光合性能最优;美娜亚、青皮、布兰瑞克、新疆早黄4个品种光合性能次之;日本紫果的综合光合性能较差;布兰瑞克、金傲芬较耐弱光。综合比较,金傲芬、布兰瑞克较适宜和田日光温室栽培。

关键词: 无花果, 光合, 品种

CLC Number:

S665.9

ZHONG Haixia, MENG Ajing, DING Xiang, ZHAO Laipeng, ZHANG Fuchun, HAO Jingzhe, ZHOU Xiaoming, QIAO Jiangxia, WU Xinyu. Comparison of Fig Growth and Leaf Photosynthetic Performance in Solar Greenhouse[J]. Xinjiang Agricultural Sciences, 2022, 59(4): 891-899.

钟海霞, 孟阿静, 丁祥, 赵来鹏, 张付春, 郝敬喆, 周晓明, 乔江霞, 伍新宇. 日光温室无花果生长和叶片光合性能分析[J]. 新疆农业科学, 2022, 59(4): 891-899.

Figures/Tables 8

Table1 Comparison of the development of different varieties of figs

品种 Variety	节间长 Internode long (cm)	茎粗 Thick stems (cm)	叶绿素含量 Chlorophyll content	枝条同侧叶片数 Number of leaves on the same side of the branches	枝条长 Branches long (cm)	单叶重 Single leaf weight (g)
新疆早黄 Xinjiang Early Yellow	6.47±0.2 $7^{AB}$	9.17±0.24^B	46.64±1.25^B	11.67±0.3 $3^{AB}$	75.50	3.54
日本紫果 Japanese Purple Fruit	7.10±0.0 $6^{AB}$	7.98±0.74^B	46.61±2.41^B	10.00±0.5 $8^{ABC}$	71.00	2.98
美娜亚 Menaya	8.40±1.03^A	8.18±0.28^B	48.50±2.0 $6^{AB}$	10.67±0.3 $3^{AB}$	89.63	5.19
青皮 Green skin	5.50±0.8 $5^{AB}$	11.23±0.1^A	55.36±1.14^A	9.33±0.3 $3^{BC}$	51.32	3.75
布兰瑞克 Branrick	4.67±1.00^B	7.83±0.44^B	52.13±1.4 $7^{AB}$	8.00±0.58^C	37.36	2.09
金傲芬 JinAofen	6.48±0.5 $2^{AB}$	7.72±0.54^B	46.33±2.32^B	12.33±0.88^A	79.90	2.98

Table1 Comparison of the development of different varieties of figs

品种 Variety	节间长 Internode long (cm)	茎粗 Thick stems (cm)	叶绿素含量 Chlorophyll content	枝条同侧叶片数 Number of leaves on the same side of the branches	枝条长 Branches long (cm)	单叶重 Single leaf weight (g)
新疆早黄 Xinjiang Early Yellow	6.47±0.2 $7^{AB}$	9.17±0.24^B	46.64±1.25^B	11.67±0.3 $3^{AB}$	75.50	3.54
日本紫果 Japanese Purple Fruit	7.10±0.0 $6^{AB}$	7.98±0.74^B	46.61±2.41^B	10.00±0.5 $8^{ABC}$	71.00	2.98
美娜亚 Menaya	8.40±1.03^A	8.18±0.28^B	48.50±2.0 $6^{AB}$	10.67±0.3 $3^{AB}$	89.63	5.19
青皮 Green skin	5.50±0.8 $5^{AB}$	11.23±0.1^A	55.36±1.14^A	9.33±0.3 $3^{BC}$	51.32	3.75
布兰瑞克 Branrick	4.67±1.00^B	7.83±0.44^B	52.13±1.4 $7^{AB}$	8.00±0.58^C	37.36	2.09
金傲芬 JinAofen	6.48±0.5 $2^{AB}$	7.72±0.54^B	46.33±2.32^B	12.33±0.88^A	79.90	2.98

Fig.1 Chlorophyll content changes with leaf order

Fig.2 Linear and nonlinear fitting of net photosynthetic rate response to light intensity by rectangular hyperbolic correction model

Fig.4 Linear and nonlinear fitting of net photosynthetic rate response to light intensity by rectangular hyperbolic correction model

Fig. 5 The derivative function of net photosynthetic rate in response to photosynthetically active radiation intensity

Table 2 Fig leaf light response parameters

光响应参数 Light response parameters	新疆早黄 Xinjiang Early Yellow	日本紫果 Japanese Purple Fruit	美娜亚 Menaya	青皮 Green skin	布兰瑞克 Branrick	金傲芬 Jin Aofen
饱和光强 Saturation light I_mμmol/(m²·s)	1 899.4	1 939.4	1 534.0	1 704.2	2 277.2	1 929.4
光补偿点 Light compensation point I_cμmol/(m²·s)	30.0	42.5	37.0	35.0	27.5	30.0
光较差 Range of light intensity of photosynthesis LIR μmol/(m²·s)	1 869.4	1 896.9	1 497.0	1 669.2	2 249.8	1 899.4
最大净光合速率 Maximum net photosynthetic Pn_max μmol/(m²·s)	14.0	13.8	18.2	14.7	12.3	23.4
内禀量子效率 Intrinsic quantum efficiency IQE	0.036	0.045	0.054	0.047	0.043	0.062
表观量子产额 Apparent quantum yield AQY	0.033	0.038	0.049	0.042	0.038	0.126
暗呼吸速率 Dark respiration rate R_dμmol/(m²·s)	0.86±0.24	1.71±0.22	1.84±0.41	1.51±0.25	1.07±0.17	1.65±0.38

Fig. 3 The derivative function of net photosynthetic rate in response to photosynthetically active radiation intensity

Table3 Fig leaf light response parameters

光响应参数 Light response parameters	新疆早黄 Xinjiang Early Yellow	日本紫果 Japanese Purple Fruit	美娜亚 Menaya	青皮 Green skin	布兰瑞克 Branrick	金傲芬 Jin Aofen
饱和光强 Saturation light I_mμmol/(m²·s)	2 484.9	2 227.2	2 484.9	1 276.2	1 488.99	2 282.3
光补偿点 Light compensation point I_cμmol/(m²·s)	67.6	42.5	35.0	65.1	42.5	107.6
光较差 Range of light intensity of photosynthesis LIR μmol/(m²·s)	2 417.3	2 184.7	2 449.9	1 211.1	1 446.49	2 174.7
最大净光合速率 Maximum net photosynthetic Pn_max μmol/(m²·s)	11.3	13.8	11.6	11.2	7.4	6.4
内禀量子效率 Intrinsic quantum efficiency IQE	0.025	0.048	0.029	0.036	0.014	0.051
表观量子产额 Apparent quantum yield AQY	0.021	0.040	0.026	0.030	0.014	0.024
暗呼吸速率 Dark respiration rate R_dμmol/(m²·s)	1.52±0.33	1.88±0.1	0.95±0.9	2.08±1.03	0.57±0.39	3.75±0.22

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