植物光合午休研究进展

doi:10.3724/SP.J.1006.2025.53033

摘要/Abstract

摘要：

光合午休是指植物在自然条件下, 在正午出现光合速率下降, 随后逐渐上升的现象。光合午休的发现至今已有百余年历史, 但其形成的确切机制尚不清楚。光合午休不仅影响植物光合生产力, 还对大田作物的产量形成具有重要影响。因此, 深入研究光合午休成因及其生理与分子机制, 对于提高大田作物光合效率、进而提升产量具有重要意义。本文系统回顾了光合午休的发现历程, 综述了环境因子对光合午休形成的影响及其相关生理机制, 并对未来研究进行了展望, 以期为深入研究光合午休及其调控机制提供参考和思路。

关键词: 光合午休, 光合作用, 生理机制, 环境因子, 作物

Abstract:

The midday depression of plant photosynthesis refers to the phenomenon that plants experience a decline in photosynthetic efficiency around noon under natural conditions, followed by a subsequent recovery. This phenomenon was first identified over a century ago, yet its underlying mechanisms remain unclear. It not only affects the plant photosynthetic productivity, but also plays an important role in the yield formation of field crops. Therefore, exploring the physiological and molecular mechanisms of photosynthetic midday depression is of great theoretical and practical importance for improving the crop photosynthetic efficiency and increasing yields. This review reviewed the discovery process of photosynthetic midday depression, the environmental factors affecting the formation of photosynthetic midday depression and the related physiological regulation mechanism. Additionally, we discussed and provided perspectives on the future research directions, aiming to offer insights and references for future studies in this field.

Key words: midday depression of photosynthesis, photosynthesis, physiological mechanism, environmental factor, crop

高园, 李霞, 魏少博, 田小海, 周文彬. 植物光合午休研究进展[J]. 作物学报, 2025, 51(9): 2253-2265.

GAO Yuan, LI Xia, WEI Shao-Bo, TIAN Xiao-Hai, ZHOU Wen-Bin. Research advances on plant midday depression of photosynthesis[J]. Acta Agronomica Sinica, 2025, 51(9): 2253-2265.

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植物所属科 Families of plants	物种 Species	参考文献 Reference
禾本科Poaceae	大麦Hordeum vulgare	[17]
	小麦Triticum aestivum	[8]
	水稻Oryza sativa	[5]
	芦苇Phragmites australis	[18]
豆科Fabaceae	大豆Glycine max	[6]
	菜豆Phaseolus vulgaris	[19]
	牧豆树Prosopis juliflora	[20]
	香豌豆Lathyrus Pratensis	[21]
茄科Solanaceae	烟草Nicotiana tabacum	[22]
	马铃薯Solanum tuberosum	[23]
	辣椒Capsicum annuum	[24]
	番茄Solanum lycopersicum	[25]
锦葵科Malvaceae	棉花Gossypium hirsutum	[26]
藜科Chenopodiaceae	菠菜Spinacia oleracea	[27]
菊科Asteraceae	蒲公英Taraxacum mongolicum	[28]
	葡萄Vitis vinifera	[29]
	莴苣Lactuca sativa	[30]
	向日葵Helianthus annuus	[2]
蔷薇科Rosaceae	草莓Fragaria × ananassa	[31]
	油桃Prunus persica	[32]
	皇冠梨Pyrus bretschneideri	[33]
	扁桃Prunus dulcis	[34]
	苹果Malus pumila	[35]
	欧洲甜樱桃Prunus avium	[36]
	桃树Prunus persica	[37]
凤梨科Bromeliaceae	凤梨Ananas comosus	[38]
兰科Orchidaceae	蕙兰Cymbidium faberi	[39]
	文心兰Oncidium luridum	[40]
百合科Liliaceae	百合Lilium rosthornii	[41]
杨梅科Myricaceae	杨梅Morella rubra	[42]
芸香科Rutaceae	柑橘Citrus unshiu	[13]
	葡萄柚Citrus paradisi	[43]
杨柳科Salicaceae	美洲黑杨Populus deltoides	[44]
漆树科Anacardiaceae	芒果Mangifera indica	[45]
杜鹃花科Ericaceae	蔓越莓Vaccinium macrocarpon	[46]
茜草科Rubiaceae	咖啡Coffea arabica	[47]
山茶科Theaceae	油茶Camellia oleifera	[48]
大戟科Euphorbiaceae	木薯Manihot esculenta	[16]
	锥形血桐Macaranga conifera	[49]
天门冬科Asparagaceae	玉簪Hosta plantaginea	[50]
壳斗科Fagaceae	土耳其栎Quercus cerris	[51]
石竹科Caryophyllaceae	太子参Pseudostellaria heterophylla	[52]