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Revisiting foliar diagnosis for oil palm potassium nutrition [PDF]

European Journal of Agronomy, 2022
Oil palm is a highly potassium (K)-demanding tree requiring fertilisation throughout its life cycle. One of the most common indices to monitor K fertilisation is K content (in % of DW, further noted as %K) in leaflets, typically used in foliar diagnosis (FD).
Lamade, Emmanuelle, Tcherkez, Guillaume
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Foliar Diagnosis on Cotton in Macedonia

Experimental Agriculture, 1977
SUMMARYThe results of eight fertilizer experiments with cotton, conducted in several areas of Macedonia, were evaluated by leaf analysis to establish possible relations between leaf N, P and K and yield, as well as to estimate the adequacy ranges of those elements under local conditions.
G. A. Argyriadis, N. A. Polyzopoulos
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Wymore's standardized score functions for foliar nutritional diagnosis of the cacao crop

Journal of Plant Nutrition, 2021
Cacao crop is under pressure due to the high global consumption of this commodity, a fact that exposes the great need of technical precision for nutritional diagnosis and fertilizer recommendation ...
Guilherme Amorim Homem de Abreu Loureiro, Quintino Reis de Araujo, George Andrade Sodré, Dario Ahnert, Rodrigo Antonio Escalona-Valdez, Virupax Chanabasappa Baligar   +5 more
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Early foliar diagnosis of carrot by univariate methods

Communications in Soil Science and Plant Analysis, 2018
ABSTRACTFoliar diagnosis enables early identification of nutritional needs. Objectives of this study were to determine diagnostic indexes by univariate methods: critical level (CL), sufficiency range (SR) and Kenworth Balanced Indexes (IBK) in three phenological stages of carrot in order to interpret results of foliar analysis and verify if limitations
Talita Gabriela Gentil, Felipe Augusto Reis Gonçalves, Thaísa Fernanda Oliveira, Luciel Rauni Dezordi, Leonardo Angelo de Aquino, Junia Maria Clemente   +5 more
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Foliar diagnosis: Vegetative index for several cultivars of watermelon

Communications in Soil Science and Plant Analysis, 1994
Abstract Monitoring the nutrient status of a crop by tissue analysis is an important tool in maximizing yields and avoiding nutrient deficiencies or toxicities. Ten cultivars of watermelon [Citrullus lanatus (Trunb) Mansfield] were grown under the same fertilization regimen throughout their growth cycle and were sampled fortnightly in order to ...
A. del Rio, I. Lopez‐Cantarero, L. Romero, A. Sanchez, F. A. Lorente, J. L. Valenzuela   +5 more
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Detection and diagnosis of coconut foliar decay disease

1999
Plant viruses axe the second most important group of plant pathogens and may cause losses exceeding US$ 60 billion per year (Matthews, 1991). Their effects are most severe in agrarian economies where major staple crops are grown intensively. There are no direct control measures available for most crops, and resistance is available for only a few virus ...
Randles, J., Wefels, E., Hanold, D., Miller, D., Morin, J., Rohde, W.   +5 more
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Floral analysis cannot be considered as an alternative to the foliar diagnosis in the olive

Scientia Horticulturae, 2007
Abstract Correlations between macro and micronutrient concentration of olive leaves and those obtained in floral buds at five development stages, were studied in order to evaluate the utility of floral analysis for the diagnosis of the nutritional status of olive orchards. Olive leaves from ‘Arbequina’, ‘Frantoio’, ‘Hojiblanca’, ‘Bella de Espana’ and
Antonia Fernández-Hernández, Gabriel Beltrán, Ricardo Fernández-Escobar   +2 more
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Foliar Diagnosis Indexes for Corn by the Methods Diagnosis and Recommendation Integrated System (DRIS) and Nutritional Composition (CND)

Communications in Soil Science and Plant Analysis, 2016
ABSTRACTFoliar analysis has been an important method for diagnosing the nutritional status of plants. Therefore, this work aimed to determine benchmarks (norms) for interpretation of results of foliar analysis by the methods of Diagnosis and Recommendation Integrated System (DRIS) and Nutritional Composition (CND) and to determine the order of ...
Roney Mendes Gott, Leonardo Angelo Aquino, Junia Maria Clemente, Luiz Paulo Dornelas Dos Santos, André Mundstock Xavier Carvalho, Felipe Oliveira Xavier   +5 more
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Non‐homogeneity of boron distribution in plants and consequences for foliar diagnosis

Communications in Soil Science and Plant Analysis, 1994
Abstract Soil and plant analyses are useful diagnostic tools only if they supply adequate information about the current state and can predict effects of different types of management. The prerequisites for reproducibility and consistency may not be met with boron which is not distributed homogeneously in plants.
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Use of the DRIS system in foliar diagnosis of crops at high yield levels

Communications in Soil Science and Plant Analysis, 1977
The Diagnosis and Recommendation Integrated System (DRIS) has previously been shown to be a valuable tool in making diagnoses of mineral imbalances in plants which, when corrected, result in yield ...
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