[1]许小勇,武佩琪,张新岭,等.外源增施CO2对茄子生长及光合特性的影响[J].北方园艺,2021,(14):65-73.[doi:10.11937/bfyy.20204732]
　XU Xiaoyong,WU Peiqi,ZHANG Xinling,et al.Effects of Elevated CO2 Application on the Growth and Photosynthetic Characteristics of Eggplant[J].Northern Horticulture,2021,(14):65-73.[doi:10.11937/bfyy.20204732]
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外源增施CO2对茄子生长及光合特性的影响

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 期数: 2021年14 页码: 65-73 栏目: 出版日期: 2021-07-30
Title:
Effects of Elevated CO2 Application on the Growth and Photosynthetic Characteristics of Eggplant
作者:
许小勇1; 武佩琪1; 张新岭2; 张效宁1; 侯雷平1; 李梅兰1
（1.山西农业大学 园艺学院，山西省设施蔬菜提质增效协同创新中心,山西 太谷 030801；2.郑州市蔬菜研究所,河南 郑州 450015）
Author(s):
XU Xiaoyong1; WU Peiqi1; ZHANG Xinling2; ZHANG Xiaoning1; HOU Leiping1; LI Meilan1
(1.College of Horticulture,Shanxi Agricultural University/Collaborative Innovation Center for Improving Quality and Increasing Profits of Protected Vegetables in Shanxi,Taigu,Shanxi 030801；2.Zhengzhou Vegetable Research Institute,Zhengzhou,Henan 450015)
关键词:
茄子; CO2施肥; 生长; 光合特性; 产量
Keywords:
eggplant; elevated CO2; growth; photosynthesis; yield
DOI:
10.11937/bfyy.20204732
文献标志码:
A
摘要:
以6个茄子品种为试材，通过在日光温室内外源增施CO2，观测其在（800±50）μmol·mol-1的高浓度CO2条件下的生理和光合特性变化差异，研究其对茄子生长发育及光合作用的影响，以期为茄子CO2施肥技术的应用以及高CO2浓度下的新品种选育提供参考依据。结果表明：外源增施CO2可促进茄子生长，株高和株幅较对照分别提高34%和14%以上。6个茄子品种叶片光合参数发生显著变化，但也存在一定的差异，其中，拟合CO2饱和点和补偿点分别在529.2～1 565.4 μmol·mol-1和33.6～67.2 μmol·mol-1范围变动，以Sm05的2个指标值最大；而最大净光合速率较对照提高了13.32%～102.03%、光饱和点均显著增加了28.76%～171.42%，而光补偿点较对照减少10.00%以上。结果特性及产量方面，除了Sm03由于结果数的显著减少导致产量下降之外，其余几个品种的果实大小及产量均显著增加，其中Sm05增产最显著，高达45.8%左右。进一步对产量差异较大的Sm03和Sm05果实可溶性蛋白质、可溶性糖及有机酸含量测定，其结果也表现出显著性差异。综上所述，外源增施CO2通过提高茄子叶片的净光合效率，促进茄子生长发育，改善营养品质，但是不同品种间也存在着一定的差异。
Abstract:
Six eggplant varieties were used as test materials,and the differences in physiological and photosynthetic characteristics were observed under the conditions of (800±50)μmol·mol-1 high concentration CO2 by increasing CO2 in and out of the solar greenhouse.Its effects on eggplant growth and photosynthesis were studied,in order to provide a reference for the application of eggplant CO2 fertilization technology and the selection of new varieties under high CO2 concentration.The results showed that compared with the control,elevated CO2 could promote the growth of some eggplant varieties.The plant height and width of six eggplant varieties were increased by 34% and 14%,respectively.The photosynthetic parameters of the leaves were changed significantly with some differences.The fitted CO2 saturation point and compensation point varied in a range of 529.2-1 565.4 μmol·mol-1 and 33.6-67.2 μmol·mol-1,the two index values of Sm05 were both the largest;and the maximum net photosynthetic rate increased by 13.32%-102.03% compared with the control,the light saturation point were significantly increased by 28.76%-171.42%,and the light compensation point decreased over 10.00%.In the terms of fruiting characteristics and product yield,except for Sm03 which resulted in a decrease in yield due to a significant reduction in fruit number,the fruit size and yield of the other varieties were all increased significantly,of which the yield of Sm05 increased mostly,up to about 45.8%.Furthermore,the determination results of the soluble protein,soluble sugar and organic acid content of Sm03 and Sm05 fruits with large yield differences were also showed significant differences.In conclusion,elevated CO2 can increase the photosynthetic efficiency of eggplant leaves,promote the growth and development of eggplant,and improves nutritional quality，although there are also certain differences between different varieties.

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备注/Memo

第一作者简介：许小勇（1979-），男，博士，副教授，现主要从事蔬菜种质资源创新与遗传改良等研究工作。E-mail:xuxy7926@163.com.责任作者：李梅兰（1964-），女，博士，教授，博士生导师，现主要从事蔬菜遗传育种与生物技术等研究工作。E-mail:15935485975@163.com.基金项目：山西省煤基重点科技攻关资助项目（FT201402-11，FT201402-06）；山西省重点研发专项资助项目(201703D211001-04-01)。收稿日期：2020-11-10

更新日期/Last Update: 2021-11-13