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Photosynthetica : Volume 55

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Editorial ( Photosynthetica , Volume 54 , Issue 1 )

Photosynthetic response of desert plants to small rainfall events in the Junggar Basin, northwest China

Photorespiration and photoinhibition in the bracts of cotton under water stress

Exogenous melatonin improves growth and photosynthetic capacity of cucumber under salinity-induced stress

Effects of different levels of water stress on leaf photosynthetic characteristics and antioxidant enzyme activities of greenhouse tomato

Comparison of the photosynthetic characteristics in the pericarp and flag leaves during wheat (Triticum aestivum L.) caryopsis development

Kaolin-based, foliar reflective film protects photosystem II structure and function in grapevine leaves exposed to heat and high solar radiation

Natural and commercial Salix clones differ in their ecophysiological response to Zn stress

Effects of water stress and rewatering on photosynthesis, root activity, and yield of cotton with drip irrigation under mulch

Changes in chloroplast ultrastructure in leaves of drought-stressed maize inbred lines

Relationship between root vigour, photosynthesis and biomass in soybean cultivars during 87 years of genetic improvement in the northern China

Effect of vermicompost fertilizer on photosynthetic characteristics of chickpea (Cicer arietinum L.) under drought stress

Growth irradiance affects ureide accumulation and tolerance to photoinhibition in Eutrema salsugineum (Thellungiella salsuginea)

Measurements of reflectance and fluorescence spectra for nondestructive characterizing ripeness of grapevine berries

Effect of copper oxide nanoparticles on growth, morphology, photosynthesis, and antioxidant response in Oryza sativa

Photosynthesis and growth adaptation of Pterocarya stenoptera and Pinus elliottii seedlings to submergence and drought

Use of the atLEAF+ chlorophyll meter for a nondestructive estimate of chlorophyll content

Assessment of photosynthetic potential of indoor plants under cold stress

Photosynthesis and photoprotection under drought in the annual desert plant Anastatica hierochuntica

Lanthanum improves salt tolerance of maize seedlings

An improved method for the simultaneous determination of photosynthetic O$_{2}$ evolution and CO$_{2}$ consumption in Rhizophora mucronata leaves

Honoring George C. Papageorgiou

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Effects of water stress and rewatering on photosynthesis, root activity, and yield of cotton with drip irrigation under mulch

Content Provider	Springer Nature Link
Author	Luo, H. H. Zhang, Y. L. Zhang, W. F.
Copyright Year	2016
Abstract	Soil water deficit is a major limitation to agricultural productivity in arid regions. Leaf photosynthesis can quickly recover after rewatering and remains at a higher level for a longer period, thus increasing crop yield and water-use efficiency (WUE). We tested our hypothesis that leaf photosynthesis and root activity of water-stressed cotton (Gossypium hirsutum L.) plants could quickly recover after rewatering at a certain growth stage and it should not influence a cotton yield but increase WUE. Treatments in this study included two degrees of water stress: mild water stress (V$_{1}$) and moderate water stress (V$_{2}$) imposed at one of four cotton growth stages [i.e., S$_{1}$ (from the full budding to early flowering stage), S$_{2}$ (from early flowering to full flowering), S$_{3}$ (from full flowering to full bolling), and S$_{4}$ (from full bolling to boll-opening)]. The soil water content before and after the water stress was the same as that in the control treatment (CK, 70–75% of field capacity). Water deficit significantly reduced the leaf water potential, net photosynthetic rate, and stomatal conductance in cotton. The extent of the decline was greater in S$_{2}$V$_{2}$ treatment compared to others. Water deficit also reduced root activity, but the extent of inhibition varied in dependence on soil depth and duration. When plants were subjected to S$_{1}$V$_{1}$, the root activity in the 20–100 cm depth recovered rapidly and even exceeded CK one day after rewatering. An overcompensation response was observed for both photosynthesis and aboveground dry mass within one to three days after rewatering. Compared with the CK, S$_{1}$V$_{1}$ showed no significant effect on the yield but it increased total WUE and irrigation WUE. These results suggest that even a short-term water stress during the S1, S2 and S4 stages mitigated, with respect to the root activity, the negative effect of drought and enhanced leaf photosynthesis compensatory effects of rewatering in order to increase cotton WUE with drip irrigation under mulch in arid areas.
Starting Page	65
Ending Page	73
Page Count	9
File Format	PDF
ISSN	03003604
Journal	Photosynthetica
Volume Number	54
Issue Number	1
e-ISSN	15739058
Language	English
Publisher	The Institute of Experimental Biology of the Czech Academy of Sciences
Publisher Date	2015-08-05
Publisher Place	Praha
Access Restriction	Subscribed
Subject Keyword	Plant Physiology
Content Type	Text
Resource Type	Article
Subject	Physiology Plant Science

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Effects of water stress and rewatering on photosynthesis, root activity, and yield of cotton with drip irrigation under mulch

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Effects of water stress and rewatering on photosynthesis, root activity, and yield of cotton with drip irrigation under mulch

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Effects of water stress and rewatering on photosynthesis, root activity, and yield of cotton with drip irrigation under mulch