Water relations, photosynthesis, growth and water-use efficiency in tomato plants subjected to partial rootzone drying and regulated deficit irrigation

Tahi, H.; Wahbi, Said; Wakrim, R.; Aganchich, B.; Serraj, Rachid; Centritto, Mauro

doi:10.1080/11263500701401927

Cited by 62 publications

(45 citation statements)

References 59 publications

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“…The results in this experiment confirmed several previous studies showing that water deficit stress significantly affects water relations and physiology in tomato (Rao et al 2001, Tahi et al 2007). After watering ceased, the water availability to the plants decreased in all amendment treatments.…”

Section: Discussionsupporting

confidence: 82%

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Effects of compost on water availability and gas exchange in tomato during drought and recovery

Nguyen¹,

Fuentes²,

Marschner³

2012

Plant Soil Environ.

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Compost can increase soil water availability and nutrient uptake by plants, but it is not clear whether it can also improve the ability of plants to recover after drought stress. Tomato plants (Lycopersicon esculentum L.) were grown in sandy soil without compost or with compost either incorporated or mulched. There were two water treatments: (i) plants grown under sufficient water supply throughout the experiment and (ii) plants grown with sufficient water supply until day 33 after which water was withheld until stomatal conductance was close to zero. Compost addition increased water content at both field capacity and permanent wilting point, but only incorporated compost increased total available water. Compost addition increased shoot and root growth under well-watered and drought stressed conditions with a greater effect by incorporated compost. At sufficient water supply, the rates of photosynthesis and transpiration were similar in all treatments. Drought stressed plants with incorporated compost wilted earlier than control plants, whereas mulched compost increased water availability to plants and hence the number of days until wilting. Photosynthesis and transpiration recovered faster in plants grown with incorporated compost compared to other treatments. The rapid recovery of plants after drought with incorporated compost could be due to their greater root length.

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Section: Discussionsupporting

confidence: 82%

“…Plants that have experienced water stress usually show decreased growth and development, low leaf water and turgor potentials (Tahi et al 2007) and transpiration rates (Ozenc 2008). Many cellular functions of plants, such as protein synthesis, nitrogen metabolism and cell membrane function can also be impaired under prolonged drought (Saneoka et al 2004).…”

mentioning

confidence: 99%

Effects of compost on water availability and gas exchange in tomato during drought and recovery

Nguyen¹,

Fuentes²,

Marschner³

2012

Plant Soil Environ.

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“…Irrigated agriculture plays a major role in food production, and in the Mediterranean Basin this type of agriculture uses between 50% and 90% of all water resources [1]. Worldwide, water availability is decreasing more and more, especially in semi-arid Mediterranean areas.…”

Section: Introductionmentioning

confidence: 99%

Deficit Irrigation and Partial Root-Zone Drying Techniques in Processing Tomato Cultivated under Mediterranean Climate Conditions

et al. 2017

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Due to climate change, the application of water saving strategies is of particular interest. The aim of this study was to evaluate the effects of deficit irrigation (DI) and partial root-zone drying (PRD) techniques on the crop water stress index (CWSI), water use efficiency (WUE), and quality parameters in processing tomatoes grown in open field conditions in a Mediterranean climate. Two cultivars were grown for two growing seasons under four irrigation regimes as follows: (i) IR 100 : full irrigation by restoring 100% of the maximum tomato evapotranspiration (ET c ); (ii) IR 70DI : 70% of the amount of water given to the IR 100 ; (iii) IR 70PRD : 70% of the amount of water given to the IR 100 by applying partial root-zone drying and (iv) IR 0 : irrigation only at transplanting and during fertigation. During the flowering period, the first growing season was characterized by an absence of rainfall and by higher temperatures also showing a higher CWSI. Despite, under IR 70PRD , the CWSI was significantly higher than under IR 70DI , the marketable yield obtained was significantly higher. Both IR 70DI and IR 70PRD regimes received approximately 24% less water than IR 100 , but the yield reduction with relation to the optimum regime was equal to 16.2% under IR 70DI , and only 7.6% under IR 70PRD . The WUE increment of IR 70PRD with respect to IR 100 was equal to 27% in the first growing season and to 17% in the second one, showing that the positive effect of PRD on the WUE is more evident in the more stressed year. Finally, the results from the principal component analysis (PCA) showed that the two cultivars had different qualitative responses in the two extreme regimes (IR 100 and IR 0 ) but not under PRD and DI regimes.

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“…Although there are a handful of studies in which negative results have been reported after applying PRD (Gu et al 2004;O'Connell & Goodwin 2004Neuhaus et al 2007), there are a greater number of studies that demonstrate successful application of the technique to grapes (Dry et al 1996;Loveys et al 1998;Stoll et al 2000;Chalmers et al 2004) and many other horticultural crops including apple (Leib et al 2006), pear (Kang et al 2002), mango (Spreer et al 2009), olive (Fernandez et al 2006), tomato (Tahi et al 2007) and raspberry (Grant et al 2004).…”

Section: Introductionmentioning

confidence: 99%

Comparison of irrigation scheduling strategies for achieving water use efficiency in highbush blueberry

Keen

Slavich

2012

New Zealand Journal of Crop and Horticultural Science

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A glasshouse experiment was carried out to assess the feasibility of applying partial rootzone drying (PRD) to highbush blueberries (Vaccinium corymbosum). A subsequent field experiment was established to assess four irrigation strategies with the aim of improving water use efficiency in blueberry production. Applying PRD to plants during a glasshouse experiment reduced stomatal conductance without reducing plant water potential. Hindered by high rainfall, a physiological response to PRD was not repeated in field grown plants. However, irrigation scheduled using a K c (crop coefficient) curve constructed from Food and Agriculture Organization (FAO) 56 guidelines and post-harvest regulated deficit irrigation (RDI) delivered annual water savings of 0.8 ML ha(1 and 1.3 ML ha (1 , respectively, compared with a total 3.6 ML ha(1 applied using a 'rule-of-thumb' approach commonly adopted by Australian blueberry growers. These savings were achieved without reducing berry yield or quality. This study is the first to report on the feasibility of applying FAO 56 guidelines, RDI and PRD as strategies to maximize water use efficiency in highbush blueberry production.

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Water relations, photosynthesis, growth and water-use efficiency in tomato plants subjected to partial rootzone drying and regulated deficit irrigation

Cited by 62 publications

References 59 publications

Effects of compost on water availability and gas exchange in tomato during drought and recovery

Effects of compost on water availability and gas exchange in tomato during drought and recovery

Deficit Irrigation and Partial Root-Zone Drying Techniques in Processing Tomato Cultivated under Mediterranean Climate Conditions

Comparison of irrigation scheduling strategies for achieving water use efficiency in highbush blueberry

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