Stability analysis of finger millet genotypes under the hilly regions of Nepal

2019 ◽  
Author(s):  
Jiban Shrestha
Keyword(s):  
Grain Yield ◽  
Research Program ◽  
Finger Millet ◽  
Agricultural Research ◽  
Block Design ◽  
Winter Season ◽  
Coefficient Of Determination ◽  
Research Station ◽  
Agricultural Research Station ◽  
Gxe Interaction

The aim of this study was to identify stable and high yielding genotypes under various environments and years in different hilly regions of Nepal. Five finger millet genotypes along with farmer’s variety (Local check) were tested under command areas of five different stations namely, Hill Crops Research Program (HCRP), Dolakha, National Ginger Research Program (NGRP), Salyan, Agricultural Research Station (ARS), Dailekh, ARS, Surkhet and Regional Agricultural Research Station (RARS), Kaski during 2016 and 2017 winter season under rainfed condition. The experiment was conducted using Randomized Complete Block Design with two replications under farmer’s field condition. The genotype x environment (GxE) interaction for grain yield was significant. The genotypes KLE-236 (2.37 t/ha), KLE-158 (2.32 t/ha) and DR-2 (2.02 t/ha) were found higher sensitive to environment and produced the higher mean grain yield across the locations. Joint regression analysis showed that genotypes KLE-236, KLE-158 and DR-2 with regression coefficient of 1.15, 1.17 and 1.12 respectively. The coefficient of determination (R) for genotypes, KLE-236, KLE-158 and DR-2 were high as 0.6, confirming their high predictability for the stability across the different locations. Further confirmation from GGE biplot analysis showed that stable genotype KLE-236, KLE-158 and DR-2 were more stable and adaptive genotypes across the tested environments of Dailekh, Surkhet, Salyan and Dolakha respectively. Thus these genotypes could be recommended to farmers for general cultivation across the tested environments.

scholarly journals Study on Effect of Supplementary Irrigation on Rainfed Chickpea (Cicer arietinum L.)

2015 ◽  
Vol 3 (3) ◽  
pp. 431-433
Author(s):  
Nav Raj Acharya ◽  
Jiban Shrestha ◽  
Subarna Sharma ◽  
Gun Bahadur Lama
Keyword(s):  
Grain Yield ◽  
Agricultural Research ◽  
Proper Time ◽  
Block Design ◽  
Winter Season ◽  
Research Station ◽  
Residual Soil ◽  
Supplementary Irrigation ◽  
Significant Difference ◽  
Irrigation Time

Chickpea is one of the important winter legumes in Nepal. It is grown after rice or maize either as sole or mixed crop. In Nepal, chickpea is mostly grown as rainfed crop on residual soil moisture or sometimes under irrigation. Lack of irrigation results drought and heat stress which affects crop growth and development. Irrigation at proper time is one of the most important factors for achieving higher crop yield.  The experiment regarding use of supplementary irrigation time on chickpea was carried out at Regional Agricultural Research Station, Khajura, Banke, Nepal during the winter season of the year 2011 and 2012. The experiment was laid out in Randomized Complete Block Design with three replications. Seven different time intervals of irrigation was applied in the experiment for both years. Treatments differed significantly in terms of grain yield but showed non -significant difference in days to flowering and maturity over the years. The combined analysis of the experiments showed that the highest grain yield (2318 kg/ha) was produced when irrigation was supplied at vegetative stage followed by irrigation supplied at flowering stage (2298 kg/ha) and pod fill stage (2104 kg/ha) respectively.Int J Appl Sci Biotechnol, Vol 3(3): 431-433

scholarly journals ESTIMATION OF SOME GENETIC PRAMETERS IN DURUM WHEAT

2017 ◽  
Vol 48 (2) ◽  
Author(s):  
Almajidy & et al.
Keyword(s):  
Grain Yield ◽  
Durum Wheat ◽  
Harvest Index ◽  
Agricultural Research ◽  
Block Design ◽  
Selection Index ◽  
Research Station ◽  
Genetic Progress ◽  
Environmental Variance ◽  
High Heritability

To estimate genetic parameters and heritability in durum wheat (Triticum turgidum var. durum) genotypes, seventeen genotypes (16 exotic from ICARDA and local variety (Buhooth 7)) were included in this study. This experiment was conducted using a randomized complete block design with three replications at Field Crops Research Station, Abu-Graib, Office of Agricultural Research, during 2011-2012 and 2012-2013. The results revealed significant differences among genotypes for the studied characters at both seasons. The best genetic/environmental variance ratio attained for spike length (11.90) and no. of spikes. m-2 (9.22) in the first season, and grain yield (8.82) then harvest index (4.87) in the second season. High GCV observed for grain yield (15.68), no. of spikes. m-2 (15.18) in the first season, and harvest index (16.89) and grain yield (14.22) in the second season. High heritability estimates associated with high genetic advance for no. of spikes. m-2, in the first season. While, moderate h2bs estimates associated with high GA for same trait in the second season. Expected response to selection ranged from 0.93 to 84.6, also selection index ranged from 1.23 to 106.44 for grain yield and number of spikes. m-2, respectively in the first season also the same pattern was observed for value of second season. Characteristics like no. of spikes. m-2, plant height, no. of grains. Spike-1 and grain weight showed high heritability coupled with high genetic progress. Therefore, these characters should be given top priority during selection breeding in durum wheat.

scholarly journals Fertilizer responsiveness of short duration improved finger millet genotypes to different levels of NPK fertilizers

2018 ◽  
Author(s):  
U. Triveni ◽  
Y. Sandhya Rani ◽  
T.S. S.K. Patro ◽  
N. Anuradha ◽  
M. Divya
Keyword(s):  
Grain Yield ◽  
Finger Millet ◽  
Agricultural Research ◽  
Growth And Yield ◽  
Research Station ◽  
Npk Fertilizers ◽  
Yield Increase ◽  
Check Variety ◽  
Different Levels ◽  
Plot Design

A field experiment was carried out at Agricultural Research Station, Vizianagaram, during Kharif, 2016 under rainfed conditions to know the fertilizer responsiveness of promising finger millet varieties to graded doses of NPK fertilizers. Twenty treatment combinations were tested in split- plot design with three replications. Experimental results revealed that with 125% RDF grain yield increase was 10%, 27% and 48% higher than 100% RDF, 75% RDF and 50% RDF respectively. Among the finger millet genotypes, grain yield of VL-379(2037 kg/ha) and VL-352(1989 kg/ha) was significantly high and was at par with national check variety VR-708(1959 kg/ha). Both the test varieties (VL-379 and VL-352) were far superior to local check variety in terms of growth and yield characteristics. Higher net monetary returns and B:C ratio were obtained with VL-379, followed by VR-708 and VL-352 at 125% RDF.

scholarly journals Management of Pod fly, Melanagromyza obtusa on Pigeonpea (Cajanus cajan L.)

2020 ◽  
Author(s):  
M. Sreekanth ◽  
M. Seshamahalakshmi ◽  
M. V. Ramana
Keyword(s):  
Grain Yield ◽  
Field Experiments ◽  
Agricultural Research ◽  
Block Design ◽  
Cost Benefit ◽  
Field Studies ◽  
Research Station ◽  
Benefit Ratio ◽  
Grain Damage ◽  
Cost Benefit Ratio

Background: Pod fly, Melanagromyza obtusa is one of the most obnoxious pest causing grain damage ranging from 10-80% with a monitory loss of US$ 256 million annually. Being an internal feeder, infested pods do not show any external symptoms of damage until the fully grown maggots chew the pod wall, leaving a thin papery membrane intact called as window, through which adults exit from the pod. Several field studies were conducted to determine the efficacy of insecticides for the control of pod fly. However, these findings did not find acceptability and led to partial success. Insecticides that should leave lesser residues and pose lesser environmental threat have become imperative. The present study aimed to evaluate the efficacy of certain new insecticide molecules against pod fly in pigeonpea ecosystem. Methods: Two field experiments were conducted at Regional Agricultural Research Station, Lam, Guntur during Kharif, 2012 and 2013 in a randomized block design (RBD) using pigeonpea cv. ICPL 85063 (Lakshmi) with 17 treatments including untreated control and 3 replications. Two sprays were given at 10 days interval starting from pod initiation stage. At maturity, number of pods showing pod fly damage were recorded and expressed as percentage. Grain yield was recorded and cost–benefit ratio was worked out. Result: Among different insecticides, thiacloprid 21.7 SC, followed by diafenthiuron 50 WP, flubendiamide 480 SC and dimethoate 30 EC were very effective against pod fly with more grain yield and registered highest incremental cost benefit ratio (ICBR). It was further suggested that effective insecticides may be alternated in order to avoid development of resistance to pod fly in pigeonpea.

scholarly journals Influence of iron and zinc on yield, quality of chickpea and status of iron and zinc in post harvest soil

2019 ◽  
Vol 39 (1) ◽  
Author(s):  
C. Pooja ◽  
I. M. Sarawad
Keyword(s):  
Protein Content ◽  
Nutrient Uptake ◽  
Agricultural Research ◽  
Block Design ◽  
Growth Yield ◽  
Research Station ◽  
Residual Soil ◽  
Agricultural Research Station ◽  
Maximum Test ◽  
Iron And Zinc

Chickpea (Cicer arietinum L.) is the most important and ancient pulse crop being traditionally grown during rabi season and cultivated mainly in semi-arid regions. The content of iron and zinc in the soil of Regional Agricultural Research Station (RARS) is below the critical level. A field experiment to study the effect of iron and zinc nutrition on growth, yield and nutrient uptake by chickpea conducted in the vertisols of the Regional Agricultural Research Station (RARS), Vijayapur during rabi 2017-18. The experiment was laid out in randomized complete block design with ten treatments and three replications. The treatments included RPP (Recommended package of practice) and application of iron @ 2, 4 and 6 kg ha-1 and zinc @ 2, 3 and 4 kg ha-1 in combinations along with RPP (RDF (Recommended dose of fertilizer) @ 10:25:00:: N : P2O5 : K2O kg ha-1). The results of the experiment revealed that, the application of iron and zinc in combinations resulted in significant increase in growth, yield and nutrient uptake by chickpea over RPP alone. Among the different treatments RPP + 6 kg Fe ha-1 + 4 kg Zn ha-1 was resulted in the maximum test weight (28.28 g), seed (2065.4 kg ha-1) and straw (1734.9 kg ha-1) yield. Similarly, higher protein content, uptake of nutrients (Fe and Zn) by the crop and residual iron and zinc status in soil were recorded due to the application of RPP + 6 kg Fe ha-1 + 4 kg Zn ha-1. These results were at par with the application of RPP + 6 kg Fe ha-1 + 3 kg Zn ha-1 and lower values were recorded in the treatment that received RPP alone. Finally it could be concluded that the application of fertilizers containing iron and zinc helpeds to improve crop yield, protein content and nutrient uptake by chickpea crop and residual soil fertility in terms of iron and zinc.

scholarly journals Management of Leaf Blight of Garlic with Fungicides in Central Tarai of Nepal

2014 ◽  
Vol 8 ◽  
pp. 63-66
Author(s):  
Prem C.P. Chaurasia ◽  
Jang B. Prasad ◽  
Aanandi Mandal
Keyword(s):  
Plant Height ◽  
Agricultural Research ◽  
Block Design ◽  
Leaf Blight ◽  
Research Station ◽  
Insignificant Effect ◽  
Agricultural Research Station ◽  
Randomized Block Design ◽  
Bulb Yield

Management of purple blotch in garlic was carried out in 2005/06 and 2006/07 at horticultural farm of Regional Agricultural Research Station, Parwanipur in Complete Randomized Block Design with three replications. First year’s results indicated insignificant effect of fungicides on Percentage Disease Intensity (PDI) of purple blotch disease of garlic as number of sprays used seemed to be inadequate. Second year’s result revealed that two sprays of Bavistin @ 0.2% had lowest PDI value but at par to other different number of sprays of different fungicides except no spray of fungicide. Bulb yield was highest in two sprays of Dithane M-45 @ 0.3% followed by two sprays of Krinoxyl @ 0.15%, three sprays of Blitox-50 @ 0.3%. Plant height was insignificant and highest bulb weight was found with three sprays of Blitox-50 followed by two sprays of Bavistin. Two year’s combined results indicated that two sprays of Bavistin @ 0.2% had lowest PDI value and all others PDI values were at par except control. The highest bulb yield was given by two sprays of Dithane M-45 followed by three sprays of Bavistin. Plant height and bulb weight were insignificant. It can be recommended that purple blotch disease can be managed by spraying Bavistin @ 0.2% thrice at 15 days interval or any other tested fungicides to have less disease, higher bulb yield and more economic return.Nepal Agric. Res. J. Vol. 8, 2007, pp. 63-66DOI: http://dx.doi.org/10.3126/narj.v8i0.11582 

scholarly journals The Yield Response of Wheat to Zinc Fertilization

2013 ◽  
Vol 9 (1-2) ◽  
pp. 15-25
Author(s):  
KH Talukder ◽  
IU Ahmed ◽  
MS Islam ◽  
M Asaduzzaman ◽  
MD Hossain
Keyword(s):  
Grain Yield ◽  
Agricultural Research ◽  
Yield Response ◽  
Research Station ◽  
Agricultural Research Station ◽  
Floodplain Soils ◽  
Zinc Fertilization ◽  
Crop Research

The experiment on wheat to zinc fertilization was carried out at the Regional Agricultural Research Station, Agricultural Research Sub-Station, and Special Crop Research Stations of BARI and at Farmer’s field. The grain yield was increased with increasing application of zinc upto 6 kg/ha but beyond that the level the yield was declined. The highest yield (3.87t/ha) was obtained in 6 kg Zn/ha under Amnura series as compare to Nachole and Lauta series. The lowest yield was obtained in Nachole series (3.07 t Zn/ha) under Deep Grey Terrace Soil. In Gangachara too, the grain yield of wheat was increased with increasing levels of zinc upto 6 kg Zn/ha beyond that it was declined. The highest yield (5.58t/ha) was obtained in 6 kg Zn/ha under Gangachara series and compare to Kaunia and Sonatola series. The lowest yield was obtained (3.92t/ha) in Kaunia series under Grey Floodplain Soils.The grain yield of wheat was significantly increased upto 12 kg Zn/ha in Calcarious Dark Grey Floodplain and Calcarious Brown Floodplain Soils and the order of increase was Zn12>Zn9>Zn6 >Zn3>Zn0. The highest yield (5.50 t/ha) was recorded in 12 kg Zn/ha. The order of the yield was Ishardi 5.50 t/ha > Sara5.47 t /ha> Gopalpur 5.13 t /ha>Darsona 2.91t/ha was recorded under Calcarious Dark Grey Floodplain and Calcareous Brown Floodplain Soils. DOI: http://dx.doi.org/10.3329/jsf.v9i1-2.14644 J. Sci. Foundation, 9(1&2): 15-25, June-December 2011

scholarly journals Growth, yield attributes and yield of irrigated spring wheat as influenced by sowing depth

2018 ◽  
Vol 3 (1) ◽  
pp. 72-83 ◽  
Author(s):  
M.M. Bazzaz ◽  
Akbar Hossain ◽  
Jagadish Timsina ◽  
Jaime A. Teixeira da Silva ◽  
M. Nuruzzaman
Keyword(s):  
Grain Yield ◽  
South Asia ◽  
Plant Biomass ◽  
Agricultural Research ◽  
Winter Season ◽  
Research Station ◽  
Dry Matter Accumulation ◽  
Residual Soil ◽  
Yield Attributes ◽  
Sowing Depth

Abstract In South Asia, including Bangladesh, most farmers sow wheat under residual soil moisture after rice is harvested, but the upper layer of soil dries quickly after soil has been prepared for wheat sowing. Crop seeds that are sown either deeply or shallowly can result in failed emergence, low dry matter accumulation, and reduced grain yield. Therefore, appropriate sowing depth is crucial for seedling emergence and successful crop establishment. Considering this, a two-year field experiment was conducted at the research field of the Agricultural Research Station of the Bangladesh Agricultural Research Institute at Dinajpur during the dry, rabi (winter) season of 2013-14 and 2014-15, at four sowing depths, i.e., 2, 4, 6 and 8 cm, to identify the most appropriate sowing depth for higher grain yield. Wheat seeds sown at a depth of 4 cm resulted in significantly highest number of seedlings and seminal roots, tallest plants as well as largest roots and plant biomass followed by sowing at a depth of 6, or 2 cm. Depth of sowing also significantly affected the yield and yield-related attributes, all performing best at a depth of 4 cm. The highest number of spikes m-2, grain yield, straw yield and harvest index were observed when seeds were sown at depths of 4 or 6 cm, relative to 2 or 8 cm. Therefore, a sowing depth of 4 to 6 cm is recommended for wheat cultivation in South Asia, including Northern Bangladesh.

scholarly journals Assessment of Quantitative Traits of Rajma Bean (Phaseoulus vulgaris L.) Accessions for Yield and Yield Attributing Traits in Multi-Environments of Nepal

2021 ◽  
Vol 6 (2) ◽  
Author(s):  
Darai R ◽  
◽  
Sah R ◽  
Sah JB ◽  
Gupta B ◽  
...  
Keyword(s):  
Grain Yield ◽  
Block Design ◽  
Winter Season ◽  
French Bean ◽  
Grain Legume ◽  
Leaf Pubescence ◽  
Days To Flowering ◽  
Gxe Interaction ◽  
Randomized Complete Block Design ◽  
Days To Maturity

Rajma (Phaseolus vulgaris L) known as the common bean, French bean, kidney bean, bush bean, and pole bean is the most important grain legume of Nepal which covers about 10,529 ha areas along with the productivity of 1477kgha-1. Generally it is grown during summer in mid/high hills and during winter (post rainy) season interai/inner terai in rice and maize based eco-system. Now Rajma bean is being popular as the cash crop in the province 3, 5 and 6 because of producing organic products and tastier quality. Multi-environment trials was carried out at Nepalgunj, Parwanipur, Itahari and Surkhet during the winter season of 2014-2017 comprised of 10 diverse Rajma genotypes in Randomized Complete Block Design with three replications in order to evaluate the quantitative variation with respect to yield and yield contributing traits. The combined analysis of variance showed that the highly significant differences among the genotypes and locations in the traits like days to flowering, days to maturity, plant height, hundred seed weight and grain yield. However; there was not any GxE interaction effect found in days to flowering, days to maturity and grain yield. Mean yield performances showed that the genotype PDR-14 (2341kgha-1) produced the highest yield followed by Utkarsh (2332kgha-1) and Arun-2 (2021kgha-1). In conclusion, PDR-14 gave 9-56% higher yield among the genotypes and its stability analysis test also indicated that PDR-14 was found a highly stable across the environments and over the years. Variegated red kidney shape seed, white flowers along with dwarf and glabrous leaf pubescence is the DUS trait of the PDR-14 and recommended for terai/inner terai to high hills.

scholarly journals Efeito genético, ambiental e interação genótipos x ambientes na qualidade comercial e produtividade de grãos em feijoeiro-comum

2017 ◽  
Vol 38 (3) ◽  
pp. 1241 ◽  
Author(s):  
Helton Santos Pereira ◽  
Renata Cristina Alvares ◽  
Fernanda De Cássia Silva ◽  
Luís Cláudio de Faria ◽  
Leonardo Cunha Melo
Keyword(s):  
Grain Yield ◽  
Central Region ◽  
Block Design ◽  
Coefficient Of Determination ◽  
The South ◽  
Mato Grosso ◽  
Genotype Effect ◽  
Gxe Interaction ◽  
South Central ◽  
Central Regions

The objective of this study was to assess the effects of environmental and genotype x environment (GxE) interaction on the commercial quality and grain yield of common bean for the identification of new cultivars for the South Central and Central regions of Brazil, that combine high adaptability/stability for grain yield, sieve yield (SY) and 100-seed weight (100M). Sixty-two trials were performed in a randomised block design with three replicates in different sowing seasons in the South Central (Rio Grande do Sul (RS), Santa Catarina (SC), Paraná (PR), São Paulo (SP) and Mato Grosso do Sul (MS)) and Central (Goiás (GO) and Distrito Federal (DF)) regions in 2009 and 2010. In the trials, 16 “carioca”-seeded lines were evaluated, and grain yield, SY and 100M were collected. The data were then subjected to individual and joint analyses of variance and to adaptability and stability analyses using the Annichiarico method. Genetic variation was found between the lines for all three traits. Coefficient of determination estimates showed that the genotype effect was more important for commercial quality than for grain yield and that the environmental effect was equally important for all three traits, indicating that the highest possible number of environments should be tested. The highest-yielding lines in the Brazilian Central (CNFC 11954 and CNFC 11959) and South Central (CNFC 11948) regions were different, indicating the importance of GxE interactions for yield. However, the two best lines in the Central Region had low commercial grain quality. Thus, CNFC 11948 will be recommended as the new cultivar selected for broad adaptation because it combines high commercial quality with increased mean grain yield and stability in the South Central Region and better yield and stability than the main controls in the Central Region.

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