scholarly journals Varietal Improvement of Wheat for Eastern Terai of Nepal

2017 ◽  
Vol 4 (4) ◽  
pp. 519-524
Author(s):  
Hari Kumar Prasai
Keyword(s):  
Grain Yield ◽  
Plant Height ◽  
Agricultural Research ◽  
Research Station ◽  
Combined Analysis ◽  
Agricultural Research Station ◽  
Days To Heading ◽  
Check Variety ◽  
Varietal Improvement

The regional varietal experiments of wheat were composed by selecting promising genotypes from coordinated varietal trial. Both early and late sown experiments of wheat regional varietal trial (RVT) were seeded in Regional Agricultural Research Station, Tarahara, Sunsari, Nepal in 2014 and 2015. Late sown experiment was seeded after 15 days of early seeding experiment to identify suitable genotypes for delay seeding condition. Amongst the tested genotypes in RVT early of 2014 and 2015, the highest grain yield was produced by BL 3555 (3351 kg/ha) and BL 4018 (3309 kg/ha). Similarly BL 4012, BL 3978, BL 3264 and BL 4406 genotypes also recorded 12-18 percent higher grain yield than the yield of standard check variety, Aditya. All tested characters except spikes/m2 included in over year analysis of RVT early was found significantly different due to genotypes. Similarly out of the tested genotypes in RVT (late) of 2014 and 2015, NL 1177 (2933 kg/ha) and BL 3555 (2764 kg/ha) were found high yielding genotypes in combined analysis over year and grain yield of other tested genotypes was observed at par with check variety.  Days to heading, maturity, plant height and yrain yield of RVT (late sown) experiment were observed significantly different due to genotypes in over year analysis.Int J Appl Sci Biotechnol, Vol 4(4): 519-524

scholarly journals Varietal Improvement of Normal Season Irrigated Rice for Eastern Terai Region of Nepal

2017 ◽  
Vol 4 (4) ◽  
pp. 489-497
Author(s):  
Hari Kumar Prasai ◽  
Rudra Bhattarai ◽  
Jivan Shrestha
Keyword(s):  
Grain Yield ◽  
Agricultural Research ◽  
Rice Yield ◽  
Research Station ◽  
Irrigated Rice ◽  
Rice Productivity ◽  
Agricultural Research Station ◽  
Check Variety ◽  
Varietal Improvement

The coordinated and regional varietal trial of normal season irrigated rice was carried out at Regional Agricultural Research Station (RARS), Tarahara, Nepal in 2014 & 2015. Out of the tested genotypes, NR 2157-166-1-3-5-1, Cieharang and NR 2157-166-2-1-1-1 identified as promising with potential grain yield of 4313, 4290 and 4239 kg/ha respectively in over year analysis (2014-15) under coordinated varietal trial (CVT). These genotypes recorded 25 to 27 percent higher grain yield than national rice productivity and 4 to 6 percent more than check variety, Sabitri. The differences in grain yield among the tested genotypes and between the years were found significant, but interaction of genotypes to year was found non-significant. Similarly, KARAJAT-3 recorded the highest grain yield (4897 kg/ha) followed by NR 1190-24-4-2-2-2-3-2 (4861 kg/ha) in over year analysis (2014-15) of regional varietal trial (RVT), similarly, identified as promising genotypes. These promising genotypes recorded 43 and 8 percent higher grain yield than national rice yield and to the check variety, Sabitri, respectively in over year analysis. The differences in grain yield among genotypes and year were found significant whereas it was non-significant for interaction of genotypes and to the tested years.Int J Appl Sci Biotechnol, Vol 4(4): 489-497

scholarly journals Evaluation of Wheat Genotypes in Far Western Hills of Nepal

2015 ◽  
Vol 3 (3) ◽  
pp. 417-422
Author(s):  
Hari Kumar Prasai ◽  
Jiban Shrestha
Keyword(s):  
Grain Yield ◽  
River Basin ◽  
Treatment Effect ◽  
Agricultural Research ◽  
Research Station ◽  
Combined Analysis ◽  
Wheat Genotypes ◽  
Yield Trial ◽  
The Difference ◽  
Year 2013

Coordinated Varietal Trial (CVT) and Advanced Varietal Trial (AVT) of wheat were conducted at Regional Agricultural Research Station,Doti during the year 2012 and 2013. Microplot Yield Trial (MPYT) were conducted during the year 2013. Total 20 genotypes were includedin CVT experiment of both years. Although the difference in grain yield due to genotypes was not found significant during the year 2012, NL1144 recorded the highest grain yield (4309 kg/ha) followed by NL 1140 (4295 kg/ha) and NL 1147 (4165 kg/ha) respectively. But in the year2013, NL 1097 produced the highest grain yield (4641 kg/ha) followed by NL 1135 (4383 kg/ha) and NL 1164 (4283 kg/ha) respectively.Statistically, the difference in grain yield due to genotypes was not found significant in the year 2013. Combined analysis over years was alsocarried out. Out of 20, only 10 genotypes were included in the CVT experiment, which were found similar in both years. Genotypes NL 1097(4079 kg/ha), NL 1140 (3814 kg/ha) and NL 1093 (3773 kg/ha) were found high yielding genotypes for river basin agro-environment of farwestern hills. Statistically, effect of year in tested characters was found significant whereas treatment effect was observed non-significant.Similarly, 20 genotypes of wheat were included in AVT of wheat during the year 2012 and 2013. Out of the genotypes included in AVT duringthe year 2012, KISKADEE No.1recorded the highest grain yield (3824 kg/ha) followed by CHEWINK No. 1 (3643 kg/ha) and WK 2120 (3583kg/ha). Statistically all the tested characters except grain yield were found significantly different due to genotypes. But in the same experimentof the year 2013, WK 2412 genotype recorded the highest grain yield (4407 kg/ha) followed by WK 2411 (4329 kg/ha) and Munal-1 (4054kg/ha). Statistically the difference in grain yield and other tested characters were found significantly different. Due to dissimilarity in the testedgenotypes we could not carry-out the combined analysis over years. Total 30 genotypes were included in the MPYT experiment of the year2013. Genotype WK 2272 recorded the highest grain yield (6080 kg/ha) followed by the genotypes WK 2274 (5152 kg/ha) and WK 2278(4480 kg/ha) respectively. Statistically, the difference in grain yield and other tested characters were found significantly different due togenotypes.Int J Appl Sci Biotechnol, Vol 3(3): 417-422

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 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 Correlation and path analysis of durum wheat (Triticum turgidum L. Var. Durum)

2013 ◽  
Vol 38 (3) ◽  
pp. 515-521 ◽  
Author(s):  
AA Khan ◽  
MA Alam ◽  
MK Alam ◽  
MJ Alam ◽  
ZI Sarker
Keyword(s):  
Grain Yield ◽  
Durum Wheat ◽  
Plant Height ◽  
Agricultural Research ◽  
Research Work ◽  
Wheat Variety ◽  
Grain Weight ◽  
Research Station ◽  
Positive Direct ◽  
1000 Grain Weight

A study was conducted to examine relationship between important traits of durum wheat and their direct and indirect effects on grain yield. Research work was conducted during the winter season of 2009-10 under irrigated optimum seeding condition at Regional Agricultural Research Station, Bangladesh Agricultural Research Institute, Ishurdi, Pabna with 10 advanced genotypes. A wheat variety was used as check. Positive and significant correlation was found for plant height, spikes/m2, and 1000-grain weight with grain yield. Head days and maturity days showed considerable negative correlation with grain yield. Maturity days, spikes/m2, and 1000-grain weight had significant positive direct effects on grain yield. Grains/spike had direct positive effect but in low magnitude. The indirect effect of head days and plant height on grain yield was found mainly through maturity days and 1000-grain weight. It can be concluded that more emphasis should be given on head days and plant height along with 1000-grain weight, spikes/m2, and grains/spike during selection for dururn wheat improvement. DOI: http://dx.doi.org/10.3329/bjar.v38i3.16978 Bangladesh J. Agril. Res. 38(3): 515-521, September 2013

scholarly journals Genotypic And Phenotypic Correlation And Path Analysis In Durum Wheat (Triticum turgidum L. var. durum)

2013 ◽  
Vol 38 (2) ◽  
pp. 219-225 ◽  
Author(s):  
AA Khan ◽  
MA Alam ◽  
MK Alam ◽  
MJ Alam ◽  
ZI Sarker
Keyword(s):  
Grain Yield ◽  
Durum Wheat ◽  
Plant Height ◽  
Triticum Turgidum ◽  
Agricultural Research ◽  
Grain Weight ◽  
Phenotypic Correlation ◽  
Research Station ◽  
Positive Direct ◽  
1000 Grain Weight

An experiment was conducted at Regional Agricultural Research Station, Ishurdi during the 2009-10 cropping season with the objective of estimating the associations between yield and yield-related traits and to identify direct and indirect effects of characters on grain yield in durum wheat. The result showed significant variation among the genotypes for all the characters studied. Significant positive correlation was found for plant height, number of spikes/m2 and 1000-grain weight with grain yield. Heading days and maturity days showed negative correlation with grain yield. Maturity days, number of spikes/m2 and 1000-grain weight had significant positive direct effects on grain yield. Number of grains/spike had also direct positive effect, but in low magnitude. The indirect effect of heading days and plant height on grain yield was found mainly through maturity days and 1000-grain weight. It can be concluded that emphasis should be given on heading days and plant height along with 1000-grain weight, number of spikes/m2 and number of grains/spike for selection of durum wheat genotypes. Bangladesh J. Agril. Res. 38(2): 219-225, June 2013 DOI: http://dx.doi.org/10.3329/bjar.v38i2.15885

scholarly journals Adaptation of Malt Barley (Hordeum Vulgare L.) Varieties in the highlands of North Gondar

2019 ◽  
Vol 8 (1) ◽  
pp. 9-14
Author(s):  
Zeynu Tahir ◽  
Asfaw Azanaw
Keyword(s):  
Grain Yield ◽  
Plant Height ◽  
Analysis Of Variance ◽  
Block Design ◽  
Spike Length ◽  
Combined Analysis ◽  
Days To Heading ◽  
Significant Difference ◽  
Days To Maturity ◽  
Malt Barley

Study was initiated with the objectives to identify high yielder malt barley varieties. The trial has been conducted during 2014 main season and laid out on randomized complete block design with three replications. Analysis of variance was computed using SAS, 2002. At Dabat, result showed that highly significant difference among the varieties (p < 0.05) for all agronomic traits. At Debark and Wegera the analysis of variance indicated that highly significant to a significant difference among varieties  at p < 0.05 for days to heading, days to maturity, plant height, spike length, thousand seed weight and grain yield, and seed per spike. The combined analysis of variance showed that highly significant difference among varieties for days to heading, days to maturity, plant height, spike length, and grain yield. The location also contributed the significant effect for all yield components except biomass and grain yield. The interaction of location by genotype showed the highly significant difference on days to maturity and plant height. The average heading days ranged from 70-81 and the average maturity days were ranged from 127-136. Among the tested varieties, IBON-174/03 and SABINI exhibited highest grain yield. The overall combined analysis indicated that IBON-174/03 and SABINI were high yielder and well adapted at the tested sites. Therefore those varieties are recommended for production in the testes sites, and similar agro-ecologies.     

scholarly journals Evaluation of bread wheat genotypes under rain-fed conditions in Terai districts of Nepal

2021 ◽  
Vol 4 (2) ◽  
pp. 303-315
Author(s):  
Deepak Pandey ◽  
Khem Raj Pant ◽  
Biswas Raj Bastola ◽  
Rabin Giri ◽  
Suman Bohara ◽  
...  
Keyword(s):  
Grain Yield ◽  
Plant Height ◽  
Agricultural Research ◽  
Kernel Weight ◽  
Lattice Design ◽  
Agricultural Research Council ◽  
Days To Heading ◽  
Significant Difference ◽  
Days To Maturity ◽  
High Yielding Varieties

Thirty four percent of the total wheat cultivated area is under rain-fed condition in Nepal and that of the Terai is nineteen percent. The objective of this study was to develop drought tolerant and high yielding varieties of wheat for timely sown rain-fed environments. Coordinated Varietal trial (CVT) was carried out in normal wheat growing season during 2016/17 and 2017/18. The research was conducted at five locations (Rampur, Bhairahawa, Doti, Jitpur and Nepalgunj) of five research stations of Nepal Agricultural Research Council (NARC) throughout the Terai region in alpha lattice design with two replications. Data on different yield attributing traits were recorded. In the CVT-TTL 2016/17 highly significant difference (p<0.01) among the genotypes was found for days to heading, days to maturity, plant height, number of grains per spike and thousand kernel weight and significant difference (p<0.05) for grain yield. The highest grain yield was observed in NL 1326 (2954 kg/ha) which was followed by NL 1327 (2819 kg/ha), NL 1211 (2719 kg/ha), NL1202 (2683 kg/ha), BL 4707 (2654 kg/ha) and BL 4708 (2652 kg/ha).  Similarly, in CVT-TTL 2017/18, highly significant difference (p<0.01) among the genotypes was observed for the days to heading, days to maturity and plant height and non-significant different for number of grains per spike, grain yield and TGW.  However, Genotype by Environment (G x E) was found highly significant (p<0.01) for the days to heading, plant height, grain yield and TGW and significant different (p<0.05) for number of grains per spike. The highest grain yield was obtained in NL1322 (2305 kg/ha) which was followed by NL1369 (2287 kg/ha), NL 1202 (2205 kg/ha), BL 4708 (2197 kg/ha) and BL 4820 (2118 kg/ha). Among these tested genotypes BL 4708, NL 1202, NL 1211, NL 1307, NL 1327 and NL 1369 are recommended for the coordinated farmer's field trial for further verification and release as variety.

Productive potential of pigeonpea [Cajanus cajan (L.) Millsp.] genotypes in different planting geometry under protective irrigation

2017 ◽  
Author(s):  
A. S. Channabasavanna ◽  
H. Rajakumar ◽  
M. S. Kitturmath ◽  
A. M. Talwar
Keyword(s):  
Field Experiment ◽  
Grain Yield ◽  
Cajanus Cajan ◽  
Agricultural Research ◽  
Research Station ◽  
Agricultural Research Station ◽  
Net Returns ◽  
Planting Geometry ◽  
Productive Potential ◽  
Plot Design

A field experiment was conducted at Agricultural Research Station, Malnoor, University of Agricultural Sciences, Raichur on vertisols during kharif seasons of 2010-11 and 2011-12 to study the productive potential of pigeonpea genotypes in different planting geometry under protective irrigation. The experiment consisted of three genotypes (BSMR-736, TS-3R and Laksmi) and seven planting geometry ( 90 x 20 cm, 120 x20 cm, 120 x 60 cm, 120 x 90 cm, 150 x 20 cm, 150 x 60 cm and 150 x 90 cm). The experiment was conducted in split plot design with three replications. Results revealed that among three genotypes tested, BSMR-736 (1667 kg/ha) recorded significantly higher grain yield over Laksmi (1369 kg/ha) and TS-3R (823 kg/ha). With respect to planting geometry, 90 x 20 cm, 120x20 cm and 150x20 cm recorded the highest grain yield, net returns and B:C irrespective of the genotypes. The interaction between genotypes and planting geometry showed that the genotype BSMR-736 planted at 150X20 cm recorded the highest grain yield (2322 kg/ha), net returns (Rs. 64421/ha) and B:C (4.37).

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