Effect of deficiencies and excesses of phosphorus, potassium and boron on the physiology and growth of avocado (Persea americana, cv. Hass) plants
In order to observe the effects of nutrients: potassium (K), boron (B) and phosphorus (P), on physiological and growth variables in avocado var. Hass, seven treatments and four repetitions with three dose levels were evaluated: (1) deficiency of the respective element: 50% or half of the complete fe...
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| Format: | Online |
| Language: | spa |
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Sociedad Colombiana de Ciencias Hortícolas-SCCH and Universidad Pedagógica y Tecnológica de Colombia-UPTC
2018
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| Online Access: | https://revistas.uptc.edu.co/index.php/ciencias_horticolas/article/view/8092 |
| _version_ | 1801706284225921024 |
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| author | Novoa, María Alejandra Miranda, Diego Melgarejo, Luz Marina |
| author_facet | Novoa, María Alejandra Miranda, Diego Melgarejo, Luz Marina |
| author_sort | Novoa, María Alejandra |
| collection | OJS |
| description | In order to observe the effects of nutrients: potassium (K), boron (B) and phosphorus (P), on physiological and growth variables in avocado var. Hass, seven treatments and four repetitions with three dose levels were evaluated: (1) deficiency of the respective element: 50% or half of the complete fertilization, (2) complete or control treatment: 100%, and (3) excess of the respective element, 150% above the complete fertilization, arranged in a completely random design. The plants were grown in polyethylene bags with soil and cultivated under greenhouse conditions; weekly fertilization and irrigation were also carried out. The evaluated variables included leaf area (LA), number of leaves (NL), relative chlorophyll content (CC), maximum photochemical efficiency of PSII (Fv/Fm) and transpiration (E); the symptomatology of deficiencies and excesses were described in the leaves. The LA, NL and CC values were lower in relation to the control. Similarly, the Fv/Fm and E were lower compared to the control, suggesting probable stress caused by the treatments, presenting a greater proportion of P, followed by K and B. The visual signs of nutrient stress were observed more clearly in the plants subjected to deficiency than in those subjected to excess, consistent with what has been reported for this variety. |
| format | Online |
| id | oai:oai.revistas.uptc.edu.co:article-8092 |
| institution | Revista Colombiana de Ciencias Hortícolas |
| language | spa |
| publishDate | 2018 |
| publisher | Sociedad Colombiana de Ciencias Hortícolas-SCCH and Universidad Pedagógica y Tecnológica de Colombia-UPTC |
| record_format | ojs |
| spelling | oai:oai.revistas.uptc.edu.co:article-80922020-08-03T23:57:12Z Effect of deficiencies and excesses of phosphorus, potassium and boron on the physiology and growth of avocado (Persea americana, cv. Hass) plants Efecto de las deficiencias y excesos de fósforo, potasio y boro en la fisiología y el crecimiento de plantas de aguacate (Persea americana, cv. Hass) Novoa, María Alejandra Miranda, Diego Melgarejo, Luz Marina Mineral nutrition Leaf area Chlorophyll fluorescence Transpiration Deficiency and excess symptoms Fruits Fruits Avocado Nutritional deficiencies Nutrición mineral Área foliar Fluorescencia de la clorofila Transpiración Síntomas de deficiencia y exceso Frutales Frutales aguacate deficiencias nutricionales Nutrition minérale Zone de la feuille Fluorescence de chlorophylle Transpiration Carence et symptômes excessifs Fruits Arbres fruitiers Avocat Carences nutritionnelles Nutrizione minerale Area fogliare Fluorescenza della clorofilla Traspirazione Carenza e sintomi in eccesso Frutta Alberi da frutto Avocado Carenze nutrizionali Nutrição mineral Área da folha Fluorescência de clorofila Transpiração Deficiência e sintomas excessivos Frutas Árvores frutíferas Abacate Deficiências nutricionais In order to observe the effects of nutrients: potassium (K), boron (B) and phosphorus (P), on physiological and growth variables in avocado var. Hass, seven treatments and four repetitions with three dose levels were evaluated: (1) deficiency of the respective element: 50% or half of the complete fertilization, (2) complete or control treatment: 100%, and (3) excess of the respective element, 150% above the complete fertilization, arranged in a completely random design. The plants were grown in polyethylene bags with soil and cultivated under greenhouse conditions; weekly fertilization and irrigation were also carried out. The evaluated variables included leaf area (LA), number of leaves (NL), relative chlorophyll content (CC), maximum photochemical efficiency of PSII (Fv/Fm) and transpiration (E); the symptomatology of deficiencies and excesses were described in the leaves. The LA, NL and CC values were lower in relation to the control. Similarly, the Fv/Fm and E were lower compared to the control, suggesting probable stress caused by the treatments, presenting a greater proportion of P, followed by K and B. The visual signs of nutrient stress were observed more clearly in the plants subjected to deficiency than in those subjected to excess, consistent with what has been reported for this variety. Para conocer el efecto de los nutrientes minerales potasio (K), boro (B) y fósforo (P), sobre variables fisiológicas y de crecimiento en aguacate var. Hass, se evaluaron siete tratamientos y cuatro réplicas con tres niveles de dosis: (1) deficiencia del respectivo elemento: 50% de la fertilización completa, (2) completa o tratamiento control: 100% y (3) exceso con un 150% por encima de la fertilización completa, dispuestos en un diseño completamente aleatorio. Las plantas crecieron en bolsas de polietileno, con suelo, y bajo condiciones de invernadero. Se realizó fertilización y riego semanal. Dentro de las variables evaluadas fueron el área foliar (AF), número de hojas (NH), contenido relativo de clorofilas (CC), eficiencia máxima fotoquímica del fotosistema II (Fv/Fm) y transpiración (E), además se describió la sintomatología de deficiencias o excesos en hojas. Se encontró que los valores de AF, NH y CC fueron menores en relación con el control. De igual forma, Fv/Fm y la E fueron menores con respecto al control, sugiriendo probable estrés ocasionado por los tratamientos; presentándose en mayor proporción para P, seguido de K y B. Los signos visuales de estrés nutricional se observaron de forma más clara en las plantas sometidas a deficiencia que en aquellas sometidas a exceso, siendo acorde a lo reportado para esta variedad. Sociedad Colombiana de Ciencias Hortícolas-SCCH and Universidad Pedagógica y Tecnológica de Colombia-UPTC 2018-05-01 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Text Texto Texte Testo Texto application/pdf https://revistas.uptc.edu.co/index.php/ciencias_horticolas/article/view/8092 10.17584/rcch.2018v12i2.8092 Revista Colombiana de Ciencias Hortícolas; Vol. 12 No. 2 (2018); 293-307 Revista Colombiana de Ciencias Hortícolas; Vol. 12 Núm. 2 (2018); 293-307 Revista Colombiana de Ciencias Hortícolas; Vol. 12 No 2 (2018); 293-307 Revista Colombiana de Ciencias Hortícolas; V. 12 N. 2 (2018); 293-307 Revista Colombiana de Ciencias Hortícolas; v. 12 n. 2 (2018); 293-307 2422-3719 2011-2173 spa https://revistas.uptc.edu.co/index.php/ciencias_horticolas/article/view/8092/7102 Colombia; 2015-2017 Colombia; 2015-2017 Colombia; 2015-2017 Colombia; 2015-2017 Colombia; 2015-2017 |
| spellingShingle | Mineral nutrition Leaf area Chlorophyll fluorescence Transpiration Deficiency and excess symptoms Fruits Fruits Avocado Nutritional deficiencies Nutrición mineral Área foliar Fluorescencia de la clorofila Transpiración Síntomas de deficiencia y exceso Frutales Frutales aguacate deficiencias nutricionales Nutrition minérale Zone de la feuille Fluorescence de chlorophylle Transpiration Carence et symptômes excessifs Fruits Arbres fruitiers Avocat Carences nutritionnelles Nutrizione minerale Area fogliare Fluorescenza della clorofilla Traspirazione Carenza e sintomi in eccesso Frutta Alberi da frutto Avocado Carenze nutrizionali Nutrição mineral Área da folha Fluorescência de clorofila Transpiração Deficiência e sintomas excessivos Frutas Árvores frutíferas Abacate Deficiências nutricionais Novoa, María Alejandra Miranda, Diego Melgarejo, Luz Marina Effect of deficiencies and excesses of phosphorus, potassium and boron on the physiology and growth of avocado (Persea americana, cv. Hass) plants |
| title | Effect of deficiencies and excesses of phosphorus, potassium and boron on the physiology and growth of avocado (Persea americana, cv. Hass) plants |
| title_alt | Efecto de las deficiencias y excesos de fósforo, potasio y boro en la fisiología y el crecimiento de plantas de aguacate (Persea americana, cv. Hass) |
| title_full | Effect of deficiencies and excesses of phosphorus, potassium and boron on the physiology and growth of avocado (Persea americana, cv. Hass) plants |
| title_fullStr | Effect of deficiencies and excesses of phosphorus, potassium and boron on the physiology and growth of avocado (Persea americana, cv. Hass) plants |
| title_full_unstemmed | Effect of deficiencies and excesses of phosphorus, potassium and boron on the physiology and growth of avocado (Persea americana, cv. Hass) plants |
| title_short | Effect of deficiencies and excesses of phosphorus, potassium and boron on the physiology and growth of avocado (Persea americana, cv. Hass) plants |
| title_sort | effect of deficiencies and excesses of phosphorus potassium and boron on the physiology and growth of avocado persea americana cv hass plants |
| topic | Mineral nutrition Leaf area Chlorophyll fluorescence Transpiration Deficiency and excess symptoms Fruits Fruits Avocado Nutritional deficiencies Nutrición mineral Área foliar Fluorescencia de la clorofila Transpiración Síntomas de deficiencia y exceso Frutales Frutales aguacate deficiencias nutricionales Nutrition minérale Zone de la feuille Fluorescence de chlorophylle Transpiration Carence et symptômes excessifs Fruits Arbres fruitiers Avocat Carences nutritionnelles Nutrizione minerale Area fogliare Fluorescenza della clorofilla Traspirazione Carenza e sintomi in eccesso Frutta Alberi da frutto Avocado Carenze nutrizionali Nutrição mineral Área da folha Fluorescência de clorofila Transpiração Deficiência e sintomas excessivos Frutas Árvores frutíferas Abacate Deficiências nutricionais |
| topic_facet | Mineral nutrition Leaf area Chlorophyll fluorescence Transpiration Deficiency and excess symptoms Fruits Fruits Avocado Nutritional deficiencies Nutrición mineral Área foliar Fluorescencia de la clorofila Transpiración Síntomas de deficiencia y exceso Frutales Frutales aguacate deficiencias nutricionales Nutrition minérale Zone de la feuille Fluorescence de chlorophylle Transpiration Carence et symptômes excessifs Fruits Arbres fruitiers Avocat Carences nutritionnelles Nutrizione minerale Area fogliare Fluorescenza della clorofilla Traspirazione Carenza e sintomi in eccesso Frutta Alberi da frutto Avocado Carenze nutrizionali Nutrição mineral Área da folha Fluorescência de clorofila Transpiração Deficiência e sintomas excessivos Frutas Árvores frutíferas Abacate Deficiências nutricionais |
| url | https://revistas.uptc.edu.co/index.php/ciencias_horticolas/article/view/8092 |
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