scholarly journals The Effect of Different Organic Foliar Fertilization on Physiological and Chemical Characters in Hop (Humulus lupulus L., cv Cascade) Leaves and Cones

2021 ◽  
Vol 11 (15) ◽  
pp. 6778
Author(s):  
Margherita Rodolfi ◽  
Lorenzo Barbanti ◽  
Cristiana Giordano ◽  
Massimiliano Rinaldi ◽  
Andrea Fabbri ◽  
...  
Keyword(s):  
Chlorophyll Content ◽  
Steam Distillation ◽  
Foliar Fertilization ◽  
Texture Analyzer ◽  
Anatomical Analysis ◽  
Yield And Quality ◽  
Humulus Lupulus L ◽  
Bitter Acid ◽  
Experimental Treatments ◽  
Chemical Characters

Background: Hop cultivation requires an abundant quantity of nutrients to reach higher cone yield and quality. The aim of this work was the evaluation of different fertilization plans to obtain an improvement in product quality. Methods: Foliar analysis, anatomical analysis through the use of light microscope and SEM; physiological measurements through atLEAF, Handy PEA and spectrophotometry, were carried out to determine chlorophyll content, carotenoids and photosynthetic efficiency in two periods (t1, t2) for four experimental treatments and a Control (Treat 1, Treat 2, Treat 3, Treat 4, Untreat). Leaf texture (texture analyzer), color (colorimeter), DPPH activity (spectrophotometer), bitter acid content (HPLC-UV) and essential oil yields (steam distillation) and cone yields were measured. Results: Treat 2 showed the best performance: (i) in leaves, in terms of texture, chlorophyll content and color; (ii) in cones, with 6.98% of alpha acids, 1.78% of oil yield and 3.55 kg of fresh cones per plants. Conclusion: The fertilization plans caused alteration in micro and macro elements content in hop leaves and in the composition of hop cones. In our conditions, the best fertilization plan, in terms of cone productivity and quality, was Treat 2, highlighting the value of a customized organic foliar fertilization plan for hop cultivation.

scholarly journals Stomatal Conductance and Chlorophyll Characteristics and Their Relationship with Yield of Some Cocoa Clones Under Tectona grandis, Leucaena sp., and Cassia surattensis.

2015 ◽  
Vol 31 (2) ◽  
pp. 99-108
Author(s):  
Fakhrusy Zakariyya ◽  
Adi Prawoto
Keyword(s):  
Stomatal Conductance ◽  
Chlorophyll Content ◽  
Tectona Grandis ◽  
High Yield ◽  
Climate Type ◽  
Pod Yield ◽  
Yield And Quality ◽  
Diffusive Resistance ◽  
Cocoa Production

An optimum physiological condition will support high yield and quality of cocoa production. The research was aimed to study the effects of stomatal conductance and chlorophyll content related to cocoa production under three shade regimes.This research was conducted in Kaliwining Experimental Station, elevation of 45 m above sea level with D climate type based on Schmidt & Fergusson. Cocoa trees which were planted in 1994 at a spacing of 3 X 3 m were used in the study planted by using split plot design. The shade tree species were teak (Tectona grandis), krete (Cassiasurattensis), and lamtoro (Leucaena sp.) as the main plots, and cocoa clones of Sulawesi 01,Sulawesi 02, KKM 22 and KW 165 as sub plots. This study showed that there was interaction between cocoa clone and shade species for stomatal conductance where stomatal diffusive resistance of KKM 22 was the best under Leucaena sp.and Cassiasurattensis with the values of 1.38 and 1.34 s.cm -1, respectively. The highest chlorophyll content, stomatal index and transpiration values was under Leucaena sp. shade. There was positive correlation between chlorophyll content and transpiration with pod yield of cocoa. The highest yield and the lowest bean count wereobtainedon Sulawesi 01 clone under Leucaenasp. shade.Keywords: stomatal conductance, transpiration, diffusive resistance, shades trees, clones,pod yield

Impact of Nano-Micronutrients as Foliar Fertilization on Yield and Quality of Sugar Beet Roots

2020 ◽  
Vol 23 (11) ◽  
pp. 1416-1423
Author(s):  
Mohamed Said Abbas ◽  
Adel Saad El-Ha ◽  
Mohamed Desouki Ha ◽  
Hamdy Abd Elfattah A
Keyword(s):  
Sugar Beet ◽  
Foliar Fertilization ◽  
Yield And Quality

scholarly journals Response of sugar beet to different foliar fertilizers

2008 ◽  
pp. 127-136
Author(s):  
Diána Ungai ◽  
Zoltan Győri
Keyword(s):  
Sugar Beet ◽  
Crop Production ◽  
Growing Season ◽  
Field Trials ◽  
Element Composition ◽  
Laboratory System ◽  
Foliar Fertilization ◽  
Cu Content ◽  
Yield And Quality

The yield and quality of the sugar beet are mainly determined by level crop production system; therefore the effects of foliar fertilization were studied. Our field trials were carried out in 2005  and 2006 in Hajdúböszörmény, at two experimental sites. In our trials the effects of Biomit Plussz, Fitohorm and Kelcare Cu (having high Cu content) as foliar fertilizers, as well as a fungicide with high sulphur content, Cosavet DF, were studied andcompared. Effects of treatments were studied in four replicates. We took root samples at 4 week intervals, starting in August. The quality of root (sucrose, potassium, sodium and alfa-amino N content) was determined from filtrated beet broth, by an automatic beet laboratory system, called VENEMA. Leaf samples were taken three times in the growing season, element composition was measured by ICP-OES.We found that the crop and the sugar yield were significantly influenced by the foliar treatments both of the two years.

scholarly journals The effect of foliar fertilization on the yield and quality parameters of maize grain

2018 ◽  
Vol 6 (1-2) ◽  
pp. 195-199
Author(s):  
Péter Jakab ◽  
Gábor Zoltán ◽  
Dávid Festő ◽  
Levente Komarek
Keyword(s):  
Quality Parameters ◽  
Control Treatment ◽  
Maize Production ◽  
Vegetative Period ◽  
Foliar Fertilization ◽  
Yield And Quality ◽  
Small Plot ◽  
Variant Analysis ◽  
Maize Grain ◽  
Scientific Results

In our small plot experiment, we examined the effect foliar fertilization on the yield and quality parameters of maize grain in 2016. The experiment was set in three replications, random blocks on the area of Tangazdaság Ltd. in Hódmezővásárhely. The soil of the experiment was meadow chernozem. We sprayed out three different foliar fertilizer products individually and combined with each other as well, so there were six treatments and the control to be examined. The year 2016 was favourable for maize production. In 2016 the amount of precipitation in the vegetative period of corn was higher by 23.7 mm than the average. We processed the obtained data by single factor variant analysis. We obtained 11.37 t/ha in control treatment, and with the foliar fertilization the yield ranged between 11.61-12.86 t/ha. The foliar fertilization products increased the yield of corn, but this difference was not significant. By the application of foliar fertilization, the qualty parameters of maize grain improved in many cases. Our scientific results proved, that foliar fertilization had god effect on the yield and quality parameters of maize.

scholarly journals Assessing the Absorption Degree of the Nitrogen Forms from Soil into Plant Using the 15N Isotope as a Marker

2018 ◽  
Vol 1 (1) ◽  
pp. 86-92
Author(s):  
Daniela Mihalache ◽  
Carmen Eugenia Sîrbu ◽  
Adriana Grigore
Keyword(s):  
Organic Compounds ◽  
The Other ◽  
Multiple Comparison ◽  
Nitrogen Forms ◽  
15N Isotope ◽  
Nitrogen Use ◽  
Foliar Fertilization ◽  
Nuclear Techniques ◽  
Two Factors ◽  
Experimental Treatments

Abstract The aim of the study was to assess the absorbtion degree of different nitrogen forms (ammonium, nitric, amidic) from soil into the plant by using nuclear techniques and 15N isotope as a tracer. In the same time, the effect of foliar fertilization on increasing the efficiency of nitrogen use by biostimulating the plant up-take was highlighted. Urea and ammonium nitrate labeled with 15N isotope (10% from total nitrogen content of the fertilizers being covered by 15N isotope) were incorporated in soil. In order to highlight the efficiency of foliar fertilization, fertilizers having NPK matrix with mezo and microelements and proteic organic compounds (animal and vegetal) were designed and obtained. The effects of experimental treatments on isotopic indicators (15N/14N isotopic rate, δ 15N isotopic accumulation degree, 15N isotope export, absorbtion degree of 15N isotope) from plant were assessed. The tested plant was maize (Cortes hybrid). The values obtained were statistically analyzed by using variance analyze, with two factors, Duncan test of multiple comparison, multiple comparison threshold α= 0.05. The results of agrochemical testing showed that the absorbtion degree of 15N isotope from soil into maize plant was highest for the amidic (N-NH2) form of the nitrogen comparing with the other forms (N-NO3, N-NH4).

scholarly journals Ecotype and Foliar Fertilization with Florovit Affect Herbage Yield and Quality of Greenhouse-Grown Basil (Ocimum basilicum L.)

2015 ◽  
Vol 7 (4) ◽  
Author(s):  
Joanna Majkowska-Gadomska ◽  
Emilia Mikulewicz ◽  
Artur Dobrowolski ◽  
Anna Dziedzic
Keyword(s):  
Ocimum Basilicum ◽  
Foliar Fertilization ◽  
Yield And Quality ◽  
Herbage Yield

scholarly journals Respuestas del crecimiento y el rendimiento en pimiento (Capsicum annuum L.) híbrido Nathalie a un lixiviado de vermicompost bovino

2020 ◽  
pp. 01
Author(s):  
José Lincoln Cedeño Guerra ◽  
Eduardo Fidel Héctor Ardisana ◽  
Antonio Torres García ◽  
Osvaldo Fosado Téllez
Keyword(s):  
Chlorophyll Content ◽  
Capsicum Annuum ◽  
Chemical Fertilizer ◽  
Growth And Yield ◽  
Total Chlorophyll ◽  
Total Chlorophyll Content ◽  
Capsicum Annuum L ◽  
Palabras Clave ◽  
Experimental Treatments ◽  
Yield Responses

Growth and yield responses of pepper (Capsicum annuum L.) hybrid Nathalie to a bovine vermicompost leachate Resumen El pimiento (Capsicum annuum L.) es una hortaliza muy apreciada en el mundo por sus propiedades nutritivas, sus aplicaciones médicas y como condimento a los alimentos. En Ecuador se cultiva en varias provincias, y en todos los casos se utilizan altas cantidades de fertilizantes químicos sintéticos. Una opción es el empleo de bioestimulantes orgánicos que permiten producciones limpias. Este trabajo tuvo como objetivo investigar las respuestas del crecimiento y el rendimiento del pimiento híbrido Nathalie a la aplicación de un lixiviado de vermicompost bovino (LVCB). Se ensayaron seis tratamientos experimentales: suelo sin fertilizar, fertilizante químico YaraMilaTM ComplexTM, y tres diluciones de LVCB (1:10, 1:20 y 1:30 v/v). Las variables del crecimiento evaluadas fueron la altura de las plantas, el diámetro del tallo, la cantidad de hojas y el contenido de clorofilas totales a los 15, 30 y 45 días después del trasplante. Las variables del rendimiento (longitud, circunferencia y peso de los frutos) se midieron en cuatro cosechas. Se calculó el rendimiento estimado por hectárea a partir del peso total de los frutos de las cuatro cosechas y el área ocupada por las plantas muestreadas. No se observaron diferencias significativas en las variables del crecimiento y el contenido total de clorofilas entre los tratamientos experimentales. Los rendimientos estimados de todas las diluciones de LVCB fueron similares a los obtenidos con fertilizante químico y superaron al suelo sin fertilizar. Los resultados obtenidos sugieren que el uso de LVCB puede convertirse en una alternativa sostenible para la producción de pimiento sin contaminar el medio ambiente. Palabras clave: pimiento; Capsicum annuum L.; bioestimulantes. Abstract The pepper (Capsicum annuum L.) is a vegetable highly prized in the world for its nutritional properties, medical applications and as a condiment to food. In Ecuador it is grown in several provinces, and in all cases high amounts of synthetic chemical fertilizers are used. One option is the use of organic biostimulants that allow clean productions. This work aimed to investigate the growth and yield responses of the Nathalie hybrid pepper to the application of a leachate of bovine vermicompost (LVCB). Six experimental treatments were tested: unfertilized soil, YaraMilaTM ComplexTM chemical fertilizer, and three dilutions of LVCB (1:10, 1:20 and 1:30 v/v). The growth variables evaluated were the height of the plants, the diameter of the stem, the amount of leaves and the total chlorophyll content at 15, 30 and 45 days after transplantation. The yield variables (length, circumference and weight of the fruits) were measured in four crops. The estimated yield per hectare was calculated from the total weight of the fruits of the four crops and the area occupied by the sampled plants. No significant differences were observed in the growth variables and the total chlorophyll content between the experimental treatments. The estimated yields of all dilutions of LVCB were similar to those obtained with chemical fertilizer and exceeded the soil without fertilizing. The results obtained suggest that the use of LVCB can become a sustainable alternative for pepper production without polluting the environment. Keywords: pepper; Capsicum annuum L.; bioestimulants.

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