scholarly journals KANDUNGAN KADMIUM DI DALAM WORTEL, BAWANG PREI DAN BUNCIS YANG DITANAM PADA TANAH BERBAHAN INDUK KAPUR DAN VOLKANIK DENGAN DOSIS PUPUK P YANG BERBEDA

AGRICA ◽  
2020 ◽  
Vol 7 (2) ◽  
pp. 132-141
Author(s):  
Charly Mutiara
Keyword(s):  
Soil Type ◽  
Block Design ◽  
Cadmium Content ◽  
Organic C ◽  
Random Block ◽  
P Fertilizer ◽  
Electricity Power ◽  
Standard Set ◽  
Random Block Design ◽  
Set Up

This study aims at investigating the content of cadmium on carrots, leeks, and string bean grown on limestone and volcanic soil with different dose of P Fertilizer and comparing the contents with cadmium content standardized by FAO/WHO. This pot test employed random block design and was a factorial test with three factors, namely factor of plant species, soil type, and fertilizer dose with three repeated tests. The levels of each factor are plants species consisting of Carrot (C1), leek (C2), and string bean (C3); soil type comprises of Andosol Nduaria (S1), MollisolFatumnasi (S2), VertisolOesao (S3) and MollisolBaumata (S4) and the fertilization consists of three levels of P fertilizer, namely 100 kg SP-36 per ha (F3), 50 kg SP-36 per ha (F2) and without P fertilizer (F1). The result of this study shows that the prediction model of cadmium content on the carrot, leek, and string bean based on cadmium, pH, electricity power, and land organic C content cannot be revealed in this study since the cadmium content cannot be detected by AAS. Moreover, the cadmium content on the carrot, leek, and string bean planted on four soil types and given different doses of P Fertilizer are under the standard set up by FAO/WHO (<0,05-01 mg kg-1).

scholarly journals Utjecaj pripravka na bazi fluopirama i tekućega pilećeg stajnjaka na nematode korijenovih kvržica (Meloidogyne spp.) u nasadu mrkve

Poljoprivreda ◽  
2019 ◽  
Vol 25 (2) ◽  
pp. 25-30
Author(s):  
Mirjana Brmež ◽  
Brigita Popović ◽  
Dinka Grubišić ◽  
Tamara Siber ◽  
Emilija Raspudić ◽  
...  
Keyword(s):  
Community Structure ◽  
Population Density ◽  
Block Design ◽  
Chicken Manure ◽  
Random Block ◽  
Meloidogyne Spp ◽  
Random Block Design ◽  
Set Up ◽  
Nematode Biodiversity ◽  
Positive Effect

The aim of this study was to investigate the nematocidal effect of the preparations based on fluopyram (pesticide) and liquid chicken manure (natural amendment) on the population density of the root-knot nematodes, Meloidogyne spp. in carrot crops. The field experiment was set up in four treatments: control (C), fluopyram (FLU), fluopyram and liquid chicken manure (FLU+LCM) and liquid chicken manure (LCM) by a random block design in four replicates. Population density of Meloidogyne spp. juveniles varied between the treatments, and the number of Meloidogyne spp. was significantly decreased in all treatments with fluopyram (FLU and FLU+LCM). All amended treatments (FLU, FLU+LCM, LCM) decreased galling of the roots and had a positive effect on carrot yield. The population of Meloidogyne spp. juveniles increased with the plant growth, regardless of the treatments applied. Fluopyram negatively affected the biodiversity indicating greater disturbance for the nematode community structure in the soil. It can be concluded that fluopyram and liquid chicken manure have nematicidal potential, while liquid chicken manure maintained or enhanced nematode biodiversity.

scholarly journals Variability and heritability coefficient of average dry matter content in onion (Allium cepa L.) bulbs

Genetika ◽  
2007 ◽  
Vol 39 (1) ◽  
pp. 63-68 ◽  
Author(s):  
Nenad Pavlovic ◽  
Dejan Cvikic ◽  
Milan Zdravkovic ◽  
Radisa Djordjevic ◽  
Slaven Prodanovic
Keyword(s):  
Dry Matter ◽  
Block Design ◽  
Matter Content ◽  
Dry Matter Content ◽  
Vegetable Crops ◽  
Random Block ◽  
Factorial Trial ◽  
High Heritability ◽  
Random Block Design ◽  
Set Up

In order to research the variability of average dry matter content in onion bulbs, the trial has been set up on the experimental plot in the Centre for Vegetable Crops in Smederevska Palanka during 2000. and 2001. The trial has been performed by applying the method of random block design with five replicas. Ten cultivars of different geographical origin have been used. Examined characteristics were determined by applying the variance analysis of two-factorial trial - model 2. Hadzivukovic, 1991. The components of phenotype variance, genotype and phenotype coefficient of variance and heritability in broader sense have been calculated according to SINGH and CHAUDHARY (1976). The significant variability has been found for dry matter content in bulbs during both years of research. The researched trait had a greater genotype variance than out door conditions factor variance and the coefficient of phenotype variation greater than genetic variance coefficient. High percentage of genetic variability in total phenotype variability has been confirmed by high heritability. .

scholarly journals Impact of Rubber Leaf Vermicompost on Tea (Camellia sinensis) Yield and Earthworm Population in West Tripura (India)

2021 ◽  
Author(s):  
Priyasankar Chaudhuri ◽  
Singh Kwrak Santua Jamatia
Keyword(s):  
Block Design ◽  
Soil Health ◽  
Crop Productivity ◽  
Field Application ◽  
Tea Plantation ◽  
Random Block ◽  
Earthworm Population ◽  
Random Block Design ◽  
Set Up

Background: Vermicompost is a manure produced from organic waste through the activity of epigeic earthworms and microbes. Excessive use of chemical fertilizers for long term to increase the crop productivity have led to deterioration of soil health. Therefore, to assess the effect of vermicompost, as an alternative option to chemical fertilizer, on tea yield and earthworm population, field application of vermicompost on tea plantation was carried out for a period of two years (2015-2016) in Harishnagar Tea Estate, West Tripura, India. Methods: The experimental plot (25 sq. m) was set up using a random block design with 4 different rates of vermicompost viz. T0 (Control), T1 (5 t ha-1 year-1), T2 (10 t ha-1 year-1) and T3 (15 t ha-1 year-1) each having five replications. Composite soil samples were collected at the beginning and at the end of the experiment. Earthworms were also collected during the experimental period.Conclusion: Application of vermicompost significantly influenced the tea plantation soils, increased the tea yield along with earthworm population and was dependent on the vermicompost doses applied.

scholarly journals Microbiological preparations affecting the soil nutrient availability and growth of ryegrass in a pot experiment

2014 ◽  
pp. 49-53
Author(s):  
Anita Jakab
Keyword(s):  
Biomass Production ◽  
Block Design ◽  
Soil Nutrient ◽  
Nutrient Content ◽  
Recommended Dose ◽  
Test Plant ◽  
Fertilizer Treatment ◽  
Random Block ◽  
Random Block Design ◽  
Set Up

The effects of different bacterial fertilizers and their combinations with NPK fertilizer and wheat straw were investigated on some soil properties (chemical parameters) and on the biomass production of testplant. The applied quantities of the bacterial fertilizers were the double of the recommended dose. The experiment was set up in 2013 at the Institute of Agricultural Chemistry and Soil Science, in a three replications, in a random block design. Calcareous chernozem soil; originating from Debrecen (Látókép) was used with ryegrass (Lolium perenne L.) test plant. At the end of the experiment (after 8 week) the samples of soil and plants were determined for nitrate-nitrogen, ALsoluble phosphorus and potassium content of soil, the weight of green biomass of ryegrass per pot, the dry matter and moisture content of ryegrass. Straw treatment resulted better water and available nutrient content of soil in general. Inoculation however was not improving the biomass production over the fertilizer treatment. Interrelation with the recommended dose could be further studied.

scholarly journals Genetics of common bean resistance to white mold

2011 ◽  
Vol 11 (2) ◽  
pp. 165-173 ◽  
Author(s):  
Flávia Fernandes Carneiro ◽  
João Bosco dos Santos ◽  
Paulo Roberto Carvalho Gonçalves ◽  
Rafaela Priscila Antonio ◽  
Thaís Paula de Souza
Keyword(s):  
Common Bean ◽  
Genetic Factors ◽  
Block Design ◽  
Test Method ◽  
White Mold ◽  
Dominance Model ◽  
Random Block ◽  
The Common ◽  
Random Block Design ◽  
Set Up

The objective of the research was to investigate the nature and magnitude of the genetic factors involved in the resistance of the common bean to white mold. The lines G122 (resistant) and M20 (susceptible) were crossed to yield F1 and F2 generations and F2:3 progenies. The experiment was set up using the random block design with two replications, each of which was evaluated twice with fungal inoculations being performed on 28 and 38 day-old plants using the straw test method. Six to eight days after inoculation evaluations were conducted on individual plants and at the level of means of progenies using a diagrammatic scale ranging from 1 to 9. The additive-dominance model adopted was efficient, and the genetic control of resistance was predominantly due additive effects. Estimates of broad-sense heritability indicated that selection would be more efficient when based on the means of progenies and when successive inoculations are employed.

scholarly journals The productive traits of different potato genotypes in mountainous region of Montenegro

Genetika ◽  
2012 ◽  
Vol 44 (2) ◽  
pp. 389-397 ◽  
Author(s):  
Zoran Jovovic ◽  
Zeljko Dolijanovic ◽  
Dusan Kovacevic ◽  
Ana Velimirovic ◽  
Milan Biberdzic
Keyword(s):  
Potato Tuber ◽  
Field Experiments ◽  
Block Design ◽  
Climatic Conditions ◽  
Potato Yield ◽  
Mountainous Region ◽  
Random Block ◽  
Random Block Design ◽  
Productive Traits ◽  
Set Up

The results of three-year study of productivity for the five leading potato varieties in Montenegro: Riviera and Tresor (early), Kennebec (medium-early), Aladin and Agria (medium-late) are presented. The research was conducted during 2009, 2010 and 2011, on three highly diverse, related to the pedological and climatic conditions, locations in mountainous region of Montenegro: Niksic (800 m.a.s.l.), Kolasin (900 m.a.s.l.) and Zabljak (1450 m.a.s.l.). Field experiments were set up using standard methodology in random block design in four repetitions. The analysis of variance suggested that there were highly significant differences among genotypes (G), investigated years (Y) and locations (L) for potato yield. Apart from individual influence of the factors, their interactions (G x Y, G x L, Y x L, G x Y x L) were also highly significant for investigated trait. In average the highest yield (28.9 t/ha) was established at Kolasin locality. The highest yield of all investigated varieties and localities was measured at variety Agria (30.0tha-1), while the lowest at Riviera (24.6 t ha-1). In this investigation Agria variety was favourable for yield of potato tuber.

scholarly journals The effect of year and genotype on productivity and quality of potato

Genetika ◽  
2021 ◽  
Vol 53 (1) ◽  
pp. 305-322
Author(s):  
Sanida Arslanovic-Lukac ◽  
Nenad Djuric ◽  
Veselinka Zecevic ◽  
Jasmina Balijagic ◽  
Dobrivoj Postic
Keyword(s):  
Dry Matter ◽  
Field Experiments ◽  
Block Design ◽  
Total Yield ◽  
Average Yield ◽  
Early Variety ◽  
Early Maturity ◽  
Random Block ◽  
Random Block Design ◽  
Set Up

The study presents results of a three-year experiment of variability of different potato varieties in Montenegro: early maturity varieties (Riviera), medium early (Almera, Aladin and Bounty) and medium late (Agria, Margarita, Kennebec and Desiree). The research was conducted during 2015, 2016 and 2017, in acid, brown soil and three different climatic locations: Nedakusi (556 m a.s.l.), Sutivan (680 m a.s.l.) and Orahovica (900 m a.s.l.). Field experiments were set up using standard methodology in random block design in three repetitions. The analysis of variance suggest that number of tubers per plant, mean tuber weight, yield of small tubers, marketable and total yields were significantly fluctuating depending on genotype (G), year (Y) and the location (L). In addition to individual influences of different factors, their interactions were also pronounced (G x Y, G x L, Y x L, G x Y x L). In the three-year period average, the highest total yield was recorded in Nedakusi (31.41 t ha-1), followed by Sutivan (21.35 t ha-1), while the lowest average yield (17.36 t ha-1) was recorded in Orahovica. As expected, on the three-year average, the highest percentage of dry matter was found in late varieties Agria - 25.46%, then Desiree - 25.33%, followed by Kennebec with 25.13%, while the lowest percentage of dry matter was found in medium early variety Almera - 20.82%. The highest average yield of tubers in the three-year period was recorded in the Aladin variety, followed by Agria and Desiree, while the lowest average yield was recorded in the variety Riviera. Obtained results show that the highest yields over observed locations were recorded in medium early varieties that formed high number of tubers per plant (Aladin) and medium late varieties (Desiree and Agria) give satisfactory and stable yields.

scholarly journals Increasing selection gain and accuracy of harvest prediction models in Jatropha through genome-wide selection

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Adriano dos Santos ◽  
Erina Vitório Rodrigues ◽  
Bruno Galvêas Laviola ◽  
Larissa Pereira Ribeiro Teodoro ◽  
Paulo Eduardo Teodoro ◽  
...  
Keyword(s):  
Prediction Models ◽  
Block Design ◽  
Phenotypic Selection ◽  
Breeding Population ◽  
Breeding Cycle ◽  
Selection Cycle ◽  
Genome Wide ◽  
Random Block ◽  
Random Block Design ◽  
Number Of Individuals

AbstractGenome-wide selection (GWS) has been becoming an essential tool in the genetic breeding of long-life species, as it increases the gain per time unit. This study had a hypothesis that GWS is a tool that can decrease the breeding cycle in Jatropha. Our objective was to compare GWS with phenotypic selection in terms of accuracy and efficiency over three harvests. Models were developed throughout the harvests to evaluate their applicability in predicting genetic values in later harvests. For this purpose, 386 individuals of the breeding population obtained from crossings between 42 parents were evaluated. The population was evaluated in random block design, with six replicates over three harvests. The genetic effects of markers were predicted in the population using 811 SNP's markers with call rate = 95% and minor allele frequency (MAF) > 4%. GWS enables gains of 108 to 346% over the phenotypic selection, with a 50% reduction in the selection cycle. This technique has potential for the Jatropha breeding since it allows the accurate obtaining of GEBV and higher efficiency compared to the phenotypic selection by reducing the time necessary to complete the selection cycle. In order to apply GWS in the first harvests, a large number of individuals in the breeding population are needed. In the case of few individuals in the population, it is recommended to perform a larger number of harvests.

scholarly journals Characterization of the effects of macronutrient deficiencies in mangabeira seedlings

2012 ◽  
Vol 34 (4) ◽  
pp. 1235-1244 ◽  
Author(s):  
Layara Alexandre Bessa ◽  
Fabiano Guimarães Silva ◽  
Marialva Alvarenga Moreira ◽  
João Paulo Ribeiro Teodoro ◽  
Frederico Antônio Loureiro Soares
Keyword(s):  
Nutrient Solution ◽  
Dry Matter ◽  
Developmental Stages ◽  
Block Design ◽  
Morphological Alterations ◽  
Federal Institute ◽  
Random Block ◽  
Random Block Design ◽  
The Individual ◽  
Hancornia Speciosa

Knowledge of the mineral nutrition requirements of mangabeira (Hancornia speciosa Gomes) is relatively scarce and rudimentary because there is a lack of consistent data concerning its nutritional demands at different developmental stages. The aim of this research was to characterize the visual symptoms of macronutrient deficiencies and to evaluate the effects of these deficiencies on the growth, the production of dry matter, and the leaf content of mangabeira. To achieve this goal, a greenhouse experiment was conducted at the Goiano Federal Institute (Instituto Federal Goiano) in Rio Verde - GO, from January to June 2011 in which mangabeira plants were arranged in a random block design and grown in nutrient solutions. This experiment was replicated four times. The plants were treated with either a complete nutrient solution or a nutrient solution from which the individual macronutrient of interest (nitrogen (N), phosphorous (P), potassium (K), magnesium (Mg), calcium (Ca), or sulfur (S) had been omitted. The omission of a macronutrient from the nutrient solution resulted in morphological alterations that were characteristic symptoms of the particular nutritional deficiency and caused decreases in growth and dry matter mass production. The accumulation of macronutrients displayed the following order in mangabeira leaves: N>K>Ca>P>S>Mg.

scholarly journals Estimates of genetic gains for growth traits in young plants of Eucalyptus urophylla S. T. Blake

CERNE ◽  
2011 ◽  
Vol 17 (2) ◽  
pp. 189-193 ◽  
Author(s):  
Thais Galhardo Godoy ◽  
Sebastião Carlos da Silva Rosado
Keyword(s):  
Quality Index ◽  
Dry Matter ◽  
Growth Traits ◽  
Block Design ◽  
Genetic Gains ◽  
Random Block ◽  
Collar Diameter ◽  
Random Block Design ◽  
Root Collar ◽  
Dickson Quality Index

The objective of this study was the selection of superior genotypes for growth traits, correlating them to initial height growth in the field, at age eight months. A random block design was used in the nursery, with eight clones, three replicates and four plants per plot. And a random block design was also used in the field, with eight clones, four replicate blocks and nine plants per plot. Data being analyzed in the nursery at age 120 days included: height of field seedling, at age eight months (Hc), height of nursery seedling (Hm), root collar diameter (Dc), shoot diameter (Db), shoot dry matter (PMSPA), root dry matter (PMSR), total dry matter (PMST), ratio of shoot dry matter to root dry matter (PMSPA/PMSR), Dickson quality index of root collar diameter (IQD-Dc), Dickson quality index of shoot diameter (IQD-Db). Analyses of variance showed that significant genetic differences exist among clones for all traits and, given the high heritability values found, the estimated genetic gains were generically very high. As for predicted indirect genetic gain, selection in nursery seedlings for Dc, PMSPA/PMSR, IQD-Dc provided the highest values of indirect gain in field seedling height.

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