Reliability of Petiole Sap Test for N Nutritional Status Assessing in Processing Tomato

Farneselli, Michela; Tei, Francesco; Simonne, Eric H.

doi:10.1080/01904167.2013.859696

Cited by 24 publications

(25 citation statements)

References 25 publications

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“…equipment are available for measuring the concentrations of ions in plant sap, such as colorimeters and specific ion electrodes (Hochmuth et al, 2004), that yield values with strong correlations (r 2 =0.96, p<0.0001) with those obtained from conventional laboratory analyses (Tully & Weil, 2014). This equipment has been used successfully in various crops, such as tomato (Hochmuth et al, 2004;Farneselli et al, 2014) and leafy vegetables such as lettuce, spinach, and Asian vegetables (Ott-Borrelli et al, 2009;Parks et al, 2012). However, it is difficult to interpret the results of sap analysis of crops, in particular, it is difficult to determine whether a nutrient is present in excess or is deficient and thus negatively affecting yield.…”

Section: Researchmentioning

confidence: 99%

Rapid NPK diagnosis in tomato using petiole sap analysis with the DRIS method

Ávila-Juárez

Rodríguez-Ruiz

2020

Hortic. Bras.

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One of the factors determining success in tomato production is plant nutrition. The diagnosis and recommendation integrated system (DRIS) is a tool used to obtain fertilizer recommendations. The objective of this study was to determine DRIS indices using petiole sap analysis (PSA) and compare them with those obtained using leaf analysis in two tomato cultivars grown under greenhouse conditions. A complete randomized design with eight treatments and 60 plants per experimental unit was used. To determine whether employing PSA with the DRIS methodology can provide a reliable diagnosis of fertilization, doses of some elements, such as N, P, or K, were reduced by 30% and supplied to two tomato cultivars, namely, Cid and Moctezuma. The indices for PSA-DRIS and DRIS were estimated. R2 values greater than 0.84 were obtained for the relationships between the leaf concentrations and petiole extract (PE) concentrations of some elements in both tomato cultivars. The PSA-DRIS method detected 62.5% of the cases of deficiency identified via DRIS. The PSA-DRIS method is a low-cost way to rapidly fertilize recommendations in tomato.

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Section: Researchmentioning

confidence: 99%

Rapid NPK diagnosis in tomato using petiole sap analysis with the DRIS method

Ávila-Juárez

Rodríguez-Ruiz

2020

Hortic. Bras.

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“…Xylem and phloem sap plus apoplastic solution are used to determine the nutrient concentration in a crop [4], but in order to establish a crop a nutritional diagnostic is required for comparison with the sufficiency ranges of this crop [5]. The sufficiency ranges are commonly used to interpret plant nutrient composition as well as nutrient deficiency, sufficiency, luxury consumption, or excess [6].…”

Section: Introductionmentioning

confidence: 99%

Approach to Petiole Sap Nutritional Diagnosis Method by Empirical Model Based on Climatic and Growth Parameters

et al. 2020

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The aim of this work is to evaluate the relationship between the nutrient concentration in petiole sap and different agronomic and climatic variables for a tomato crop grown in a greenhouse in Mediterranean conditions. In addition, the persistence of the nutrient concentration in petiole sap was investigated with the aim of determining the sampling period that implies the best trade-off nutritional information. The experiment consisted of the selection of 20 sampling points inside the greenhouse. The samples of petiole, fully expanded leaf, and soil solution samples were collected weekly from 86 to 163 days after transplanting. Chloride, NO3−-N, H2PO4−-P, Na+, K+, Ca2+, and Mg2+ concentrations were determined in petiole sap and soil solution obtained by suction cups. Nitrogen, P, K, Cl, and Na concentrations were also determined in leaf. Finally, the petiole sap nutritional diagnosis method is the highest sensitive nutritional diagnosis method which compares soil solution and nutrient leaf content related to yield, and the statistical analysis performed in this research demonstrates that crop evapotranspiration (ETc), vapor pressure deficit (DPV), and leaf area index (LAI) are considered the most significant variables that allow the development of these empirical prediction models regarding nutrient concentration in petiole sap.

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“…A significant correlation between NO 3 − and K concentration in petiole sap and N or K content in plant tissues has been observed for many vegetable crops [98,101,102]. However, experiments have highlighted the limits of this technique, and have shown that optimal values of nutrient concentration in the leaf petiole sap change as a function of (i) crop stage (values of sufficiency decline with crop age); (ii) cultivation system; (iii) species and cultivar and (iv) plant nutrient and water status [98].…”

Section: Plant Monitoringmentioning

confidence: 99%

“…Knowledge of the guide-values is thus critical to successfully apply the method, and this remains the main limitation for its practical application. However, reference values for N and also K are available for different types of vegetables grown in Florida [103] (Table 4), for melon and tomato in Almeria (Spain) [102], for potatoes in central and northern Europe [98], and for industrial tomato production in central Italy [101].…”

Section: Plant Monitoringmentioning

confidence: 99%

New Trends in the Fertigation Management of Irrigated Vegetable Crops

2017

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Abstract:The use of fertigation, coupled with micro-irrigation, has continued to increase since it was first introduced in horticultural cropping systems. This combination provides a technical solution whereby nutrients and water can be supplied to the crop with high precision in terms of time and space, thereby allowing high nutrient use efficiency. However, the correct estimation of crop nutrient and water needs is fundamental to obtaining precise plant nutrition and high nutrient use efficiency in fertigated cropping systems. This paper illustrates the state-of-the-art and new perspectives for optimal nutrient management of vegetable crops cultivated under fertigation regimes. An overall description is reported for the most valuable technologies and techniques based on simulation models, soil testing, plant testing, and related decision support systems that can be adopted for efficient fertigation. However, it should be highlighted that only a few of the above technologies and techniques are practically available and/or easy to use by growers. Therefore, much more attention should be paid in the future to the transfer of research knowledge to farmers and technical advisors.

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Reliability of Petiole Sap Test for N Nutritional Status Assessing in Processing Tomato

Cited by 24 publications

References 25 publications

Rapid NPK diagnosis in tomato using petiole sap analysis with the DRIS method

Rapid NPK diagnosis in tomato using petiole sap analysis with the DRIS method

Approach to Petiole Sap Nutritional Diagnosis Method by Empirical Model Based on Climatic and Growth Parameters

New Trends in the Fertigation Management of Irrigated Vegetable Crops

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