scholarly journals Productivity of Maize Genotypes under Different Planting Dates

Our Nature ◽  
2015 ◽  
Vol 13 (1) ◽  
pp. 45-49 ◽  
Author(s):  
B.K. Santa Bahadur ◽  
Tika Bahadur Karki ◽  
Jiban Shrestha ◽  
Parbati Adhikari
Keyword(s):  
Grain Yield ◽  
Rainy Season ◽  
Block Design ◽  
Winter Season ◽  
Yield Potential ◽  
Spring Season ◽  
Production Potential ◽  
Planting Dates ◽  
Maize Genotypes ◽  
Randomized Complete Block Design

Genotypic yield potential of maize genotypes is greatly affected by planting dates. This study was conducted to determine optimum planting dates of maize genotypes in 2013/14 at Rampur, Chitwan, Nepal. Four genotypes namely RML-4/RML-17, RML-32/RML-17, ACROSS-9944/ACROSS-9942 and S99TLYQ-B were planted at every week from April  to March.  The experiments were laid out in randomized complete block design with four replications . The result of experiment showed that the highest production (5565 kg/ha) was obtained in August followed by February (5266 kg/ha), June (4475 kg/ha) and July (4255 kg/ha) respectively. The lowest yield (2572 kg/ha) was obtained in the month of November and December planting (3019 kg/ha). The highest grain yield was obtained in RML-4/RML-17 (7392 kg/ha) and RML-32/RML17 (6606 kg/ha), ACROSS- 9944/ACROSS-9942 (5004 kg/ha) during August planting and higher yield of QPM variety S99TLYQ-B was obtained in the month February planting. Winter maize has higher production potential than the rainy season maize. Based on this experiment RML-4/RML-17, RML-32/RML17 and ACROSS- 9944/ACROSS-9942 should be planting in August (winter season) and S99TLYQ-B in February (spring season) for higher grain yield production.Our Nature (2015), 13(1): 45-49

scholarly journals Effect of Planting Dates on the Growth, Yield and Quality of Three Cultivars of Sorghum (Sorghum bicolor L. Moench)

2021 ◽  
Vol 904 (1) ◽  
pp. 012019
Author(s):  
H A Ajaj ◽  
Y A Mohammed ◽  
A AM Alrubaya ◽  
A MS Addaheri
Keyword(s):  
Grain Yield ◽  
Leaf Area ◽  
Block Design ◽  
Growth Yield ◽  
Spring Season ◽  
Planting Dates ◽  
Yield And Quality ◽  
Randomized Complete Block Design ◽  
Sorghum Bicolor L

Abstract A field study was carried out during the spring season of 2017 in the fields of a farmer in the district of Habbaniyah, which is 70 km west of Baghdad, to study the effect of three planting dates (15 March, 1 April and 15 April) on the growth, yield and quality of three cultivars of sorghum (Babel, Warka and Rabeh). The implementation of the experiment was according to a randomized complete block design (R.C.B.D) with split-plot arrangement with three replications. The results of the experiment indicated that the cultivar Rabeh was superior in most of the studied traits such as leaf area (3968 cm2), number of grains per head (2659.00 grains head-1), weight of grains per head (63.41 g) and grain yield (7.44 ton ha-1), while the Babel variety was superior in the percentage of protein (12.21%). As for planting dates, the date of April 1 was superior in most of the studied traits, such as leaf area (3635.33 cm2), number of grains per head (2670.33 grains head-1), weight of grains per head (62.12 g), grain yield (7.55 ton ha-1) and the percentage of protein (11.49%).

Effect of Sowing Dates on Growth and Grain Yield of Maize Inbred Lines

2016 ◽  
Vol 3 (4) ◽  
Author(s):  
KAMAL BHUSAL ◽  
ROSHAN SUBEDI ◽  
JIBAN SHRESTHA
Keyword(s):  
Grain Yield ◽  
Block Design ◽  
Winter Season ◽  
Inbred Lines ◽  
Growth And Yield ◽  
Planting Dates ◽  
Maize Inbred Lines ◽  
Yield Production ◽  
Sowing Dates ◽  
Randomized Complete Block Design

This study was carried out at National Maize Research Program, Rampur, Chitwan, Nepal to evaluate the effect of sowing dates on growth and grain yield of maize inbred lines. Seven maize inbred lines namely NML-2, RML-17, RML-32, RML-4, RML-86, RML-95 and RML-96 were planted on three different dates i.e. September 02, September 12, September 22, 2015 during winter using randomized complete block design with two replications. The results of this study showed that the growth and yield traits were significantly affected by various planting dates. The inbred line RML-17 produced the highest grain yield where as NML-2 gave the lowest yield during winter season. The highest yield was obtained when inbred lines were planted on September 12 and the lowest yield on September 2. The planting from September 2 to September 12 increased the grain yield. The delay in planting i.e. September 22 decreased grain yield. Therefore September 12 planting was suitable for inbred lines to maximize grain yield production.

scholarly journals Combining ability and heterotic value of ten lines maize genotypes tolerant to tidal-swamp soil stress

2021 ◽  
Vol 911 (1) ◽  
pp. 012024
Author(s):  
Suwarti ◽  
Munif Ghulamahdi ◽  
Muhammad Azrai ◽  
Didy Sopandi ◽  
Trikoesoemaningtyas ◽  
...  
Keyword(s):  
Grain Yield ◽  
Block Design ◽  
Parental Line ◽  
Research Station ◽  
Acid Sulphate Soils ◽  
Tidal Swamp ◽  
Maize Genotypes ◽  
Randomized Complete Block Design ◽  
Target Environment ◽  
Half Diallel

Abstract Development of maize hybrid for tidal swampland was initiated by selecting and combinate some superior line genotypes that tolerate to the restrictions in target environment. This study aimed was to evaluate the capability of ten maize lines result of selection on tidal swamp acid sulphate soils to obtain GCU, GCA, and heterosis values based on parental yield averages. The experiment has consisted of ten fine line genotypes which have selected in 2019 at the tidal swamp. Each parent was crossed in half-diallel combination, resulting in 46 entries, including the inbred parents. The entries were planted in a randomized complete block design with three replications. The research was conducted on Bajeng Research Station Experiment 5°18’S and 119°30’E from September 2020 to January 2021. The result shows that GCA ability and SCA ability was significant to yield in the form of grain (15% moisture content), the number of ear per plot, ten ear weight, ten corncob weight, ear harvested weight, 1000 seeds weight, plant height, ear length and the number of seed per ear. Grain yield of W6xW9 crosses obtains the highest value of 9.36 tha−1, non-significantly different to hybrid check P35 (9.35 tha-1). The highest GCA value in the grain yield character was obtained on W9 parental line (0.64**). The highest SCA was obtained on the crossing of W7 x W8 (2.61). The highest heterosis value was revealed in W5 x W10 hybrid (4.80). However, W7 x W8 crossing heterosis value was 2.34, indicate that a high SCA effect did not usually generate high heterosis. To perform high heterosis value, W10 was good as female parental.

scholarly journals Short communication: Heterosis and combining ability of Nepalese yellow maize (Zea mays L.)

2013 ◽  
Vol 3 ◽  
pp. 172-180 ◽  
Author(s):  
SR Gautam ◽  
BR Ojha ◽  
SK Ghimire ◽  
DB Gurung
Keyword(s):  
Grain Yield ◽  
Combining Ability ◽  
Quantitative Traits ◽  
Short Communication ◽  
Zea Mays L ◽  
Block Design ◽  
Winter Season ◽  
Inbred Lines ◽  
High Magnitude ◽  
Randomized Complete Block Design

Nepalese yellow maize inbred lines were characterized for general combining ability (GCA) and specific combining ability (SCA) of their crosses and parents were identified having high combining ability for determining the heterotic effects on yield and other quantitative traits of hybrids. A line x tester mating design was used for making the crosses in the winter season of 2008 and the hybrids along with their parents and four checks were evaluated in Randomized Complete Block Design (RCBD) with three replications in the spring season of 2009 at the experimental farm of the National Maize Research Program, Chitwan. Significant variations were found among the treatments for grain yield and other traits which indicated presence of high magnitude of genetic variations among tested inbred lines. The cross between RML-32 and RML-17 produced the highest grain yield (15870 kg/ha) among the crosses. Hybrids such as RL-194 x RL-84 (10770 kg/ha), RML-21 x RML-17 (9270 kg/ha), RL-180 x RML-17 (9270 kg/ha) and L-1 x RL-84 (8785 kg/ha) were found superior grain yielder. Thirty-nine hybrids showed positive mid-parent heterosis for grain yield among 40 crosses. The highest positive mid-parent heterosis for grain yield was found 880% in cross between RML-32 and RML-17, followed by RL-98X RML-17 (507%), RL-103 x RML-17 (403%), PUTU-18 x RML- 17 (351%) and RL-180 x RL 84 (316%). Agronomy Journal of Nepal (Agron JN) Vol. 3. 2013, Page 172-180 DOI: http://dx.doi.org/10.3126/ajn.v3i0.9020

scholarly journals Influence of Establishment Methods on Yield and Yield Parameters of Finger Millet (Eleusine Coracana L. Gaertn) in Ward 24, Zaka District

2020 ◽  
Vol 1 (1) ◽  
pp. p47
Author(s):  
Nyasha Sakadzo ◽  
Gift Bvekwa ◽  
Kasirayi Makaza
Keyword(s):  
Grain Yield ◽  
Rainy Season ◽  
Finger Millet ◽  
Block Design ◽  
Eleusine Coracana ◽  
Tiller Number ◽  
Yield Parameters ◽  
Establishment Method ◽  
Panicle Number ◽  
Randomized Complete Block Design

Finger millet is a climate compliant crop; its production remains low due to poor establishment methods. A field experiment was conducted during the rainy season of 2018/19 at Dorcas Charare plot in ward 24, Zaka district to investigate the effects of establishment methods on yield and yield parameters of finger millet (Eleusine coracana L. Gaertn). The experiment was laid out in a Randomized Complete Block Design (RCBD) with three treatments namely broadcasting, hand drilling and transplanting replicated three times. Results on grain yield showed that transplanting method had the highest yield of 0.51t/ha whilst drilling and broadcasting scored 0.40t/ha and 0.35t/ha respectively. Transplanting method significantly (p<0.05) influenced higher number of tillers (7.13) per hill followed by drilling (2.40) and lastly broadcasting (2.13). Significant differences (p<0.05) were noted on panicle number with transplanting scoring the highest (8.13) and broadcasting the lowest (3.13). It can be concluded from the study that transplanting method realized a higher panicle number, tiller number and grain yield. Farmers must adopt transplanting as an establishment method in finger millet production.

scholarly journals Evaluation of Yield, Reaction to Diseases, and Grain Physical Attributes of Some Introduced Rice Hybrids in Ghana

2019 ◽  
Vol 2019 ◽  
pp. 1-8
Author(s):  
Samuel Oppong Abebrese ◽  
Alex Yeboah ◽  
Wilson Dogbe ◽  
Paul Kofi Ayirebi Dartey ◽  
Richard Akromah ◽  
...  
Keyword(s):  
Grain Yield ◽  
Yield Components ◽  
Hybrid Rice ◽  
Block Design ◽  
Leaf Blight ◽  
Rice Production ◽  
Bacterial Leaf Blight ◽  
Yield Potential ◽  
Randomized Complete Block Design ◽  
Physical Attributes

Hybrid rice technology is one of the promising, sustainable, and proven technologies for increasing rice production and productivity with a yield advantage of 15–30% over modern inbred varieties. The potential of hybrid rice has so far not been exploited in Ghana. This study was undertaken to evaluate the yield potential, reaction to diseases, and physical grain attributes of some introduced hybrids. The trials were laid out in a randomized complete block design (RCBD) with three replicates across three locations. Data were taken on grain yield, yield components, reaction to diseases, and grain physical characteristics. Four promising hybrids (SWARNA 2, ARGH 1501, ARGH 1502, and ARGH 1503) with a mean yield advantage of 15–20.8% over the best inbred check “AgraRice” were identified. With few exceptions, the hybrids were broadly adapted and had adequate resistance to blast and bacterial leaf blight. Most of the test hybrids had long slender grains which make them acceptable to the Ghanaian market but lacked aroma.

scholarly journals THE EFFECT OF MOWING DATES AND DIFFERENT NITROGEN LEVELS ON YIELD CHARACTERISTICS OF BARLEY (HORDEUM VULGARE L.)

2021 ◽  
Vol 21 (no 1) ◽  
Author(s):  
Mohammed Salim Talib ◽  
Hasan Najim. Mansoor ◽  
Hayder Hilal abbas AL-Khafaji ◽  
Hayder Hilal abbas AL-Khafaji ◽  
Hayder Hilal abbas AL-Khafaji ◽  
...  
Keyword(s):  
Hordeum Vulgare ◽  
Grain Yield ◽  
Block Design ◽  
Winter Season ◽  
Hordeum Vulgare L ◽  
Nitrogen Levels ◽  
Randomized Complete Block Design ◽  
Green Fodder ◽  
Biological Yield ◽  
Nitrogen Percentage

A field experiment was carried out during the winter season 2014/2015 in one of the fields of Abi Gharq district, located 10 km west of the Babylon governorate. The randomized complete block design was used under split-plots arrangement with three replications. The main plots were included levels of nitrogen fertilizer (without fertilizer, 50, 100, 150 N, 200, 250 kg). while the sub-plots were included (without a mower, a mower after 45 days, a mower after 65 days, a mower after 85 days) after planting, The data were taken and analyzed according to the used design and the averages were tested according to the LSD test, and the results were summarized as follows: The date of mowing C1 (mower after 45 days of planting) was significantly higher by giving the highest average for the degree of fallowness and the index of harvest, and the percentage of nitrogen in the green fodder was 3.647, 37.63% and 1.837%, respectively. Treatment C0 (without mower) outperformed significantly by giving it the highest average of biological yield, grain yield and nitrogen percentage in grains, as it gave 15,114 tons. H-1 and 5.73 tons. H-1 and 1.242%, respectively The fertilizer level N5 (250 kg N. H-1) gave the highest average of the degree of lying, biological yield, grain yield, nitrogen percentage in green fodder and nitrogen content in grains, as it gave 3.854% and 7.571 tons. H-1 and 6.20 tons. % And 1.397%, respectively, We conclude from the results of the study that lack of without cutting to a significant increase in the degree of resting, biological yield and grain yield, and we conclude that the high levels of nitrogen led to a significant increase in the degree of lying, biological yield, grain yield, and the proportion of nitrogen in green fodder and grains

scholarly journals Uji Multilokasi Sepuluh Galur Padi Untuk Menghasilkan Varietas Unggul Baru

2020 ◽  
Vol 18 (3) ◽  
pp. 175
Author(s):  
Jaenudin Kartahadimaja ◽  
Eka Erlinda Syuriani
Keyword(s):  
Grain Yield ◽  
Block Design ◽  
Yield Potential ◽  
High Yield ◽  
Rice Varieties ◽  
Randomized Complete Block Design ◽  
Soil Stress ◽  
Main Plot ◽  
Plot Design ◽  
High Yield Potential

Reduced productive rice fields to non-paddy fields, most possible extension of the nationalrice cultivation area to the suboptimal lands reaching ± 91.9 million ha. Technologypackages that can be applied include the use of new improved rice varieties through theassembling of varieties that have high yield potential, resistant to suboptimal soil stress. Theobjective of the research is to produce new superior rice varieties that are available invarious environments. The study used a split-plot design, as the main plot is an environmentconsisting of rice paddies and gogo, as a subplot is the genotype of rice. The treatment ineach environment is prepared using the Randomized Complete Block Design (RCBD). Thetreatment consisted of 10 new rice strains and four varieties as a comparison. Variablesobserved (1) plant height; (2) the maximum number of shoots; (3) number of productiveshoots; (4) long panicle; (5) the number of grains per panicle; (6) the amount of graincontent of each panicle; (7) the number of empty grains per panicle; (8) weight of 1000grains of grain; (9) grain yield of each clump; (10) grain yield per hectare. Data wereanalyzed by variance if there was a difference between mean, median treatment, followed byLsd test at 5% level. The adaptability and yield stability of each strain was determined basedon the value of the coefficient of diversity (KK) (Francis and Kenneberg, 1978) in Syukur etal., (2012). The results showed that seven new rice strains had adaptations both planted asupland rice and lowland rice, namely strains B3, B4, F2, F3, H1, H4, and L2.

scholarly journals Effects of planting dates on the growth and grain yield of two indigenous varieties of pearl millet (Pennisetum glaucum (L.) R.Br.) in a forest-savanna transition zone of Edo State, Nigeria

2019 ◽  
Vol 114 (2) ◽  
pp. 169
Author(s):  
Sunday Ebonka NWAJEI ◽  
Anthony Uhunomwan OMOREGIE ◽  
Felix Omonkeke OGEDEGBE
Keyword(s):  
Grain Yield ◽  
Pearl Millet ◽  
Pennisetum Glaucum ◽  
Block Design ◽  
Planting Dates ◽  
Reproductive Structures ◽  
Cropping Season ◽  
Randomized Complete Block Design ◽  
Edo State ◽  
June July

<p>Effects of planting dates on the growth and grain yield of two indigenous varieties of pearl millet was carried out at the Teaching and Research Farm, Ambrose Alli University, Ekpoma. The experiment was a 2 × 5 factorial scheme fitted into a randomized complete block design with the two varieties of pearl millet (‘Gero Bida’ and ‘Gero Badeggi’) and five planting dates (April, May, June, July and August) replicated three times. The results obtained showed that delays in planting date significantly reduced growth in pearl millet examined. Similar pattern was observed on days to 50 % flowering and grain maturity. Improved growth with early sowing could have allowed increased availability of assimilates that later supported reproductive growth. These assimilates were remobilized under unfavourable climatic condition in the late cropping season to the reproductive structures. ‘Gero Badeggi’ sown in April, had significantly, the highest growth in the measured characters than ‘Gero Bida’ sown in August and other dates. ‘Gero Badeggi’ planted in May had the highest total grain yield (9.33 t ha<sup>-1</sup>) while ‘Gero Bida’ planted in July had the smallest (4.27 t ha<sup>-1</sup>). Therefore, ‘Gero Baddegi’ planted in May is a better variety for pearl millet grain production in Ekpoma.</p>

scholarly journals Grain yield stability of early maize genotypes

2016 ◽  
Vol 2 (1) ◽  
pp. 94-99 ◽  
Author(s):  
Chitra Bahadur Kunwar ◽  
Ram Bahadur Katuwal ◽  
Sailendra Thapa ◽  
Jiban Shrestha
Keyword(s):  
Grain Yield ◽  
Block Design ◽  
Yield Stability ◽  
Gge Biplot ◽  
Maize Genotypes ◽  
Superior Genotype ◽  
Randomized Complete Block Design ◽  
Stability Pattern

The objective of this study was to estimate grain yield stability of early maize genotypes. Five early maize genotypes namely Pool-17, Arun1EV, Arun-4, Arun-2 and Farmer’s variety were evaluated using Randomized Complete Block Design along with three replications at four different locations namely Rampur, Rajahar, Pakhribas and Kabre districts of Nepal during summer seasons of three consecutive years from 2010 to 2012 under farmer’s fields. Genotype and genotype × environment (GGE) biplot was used to identify superior genotype for grain yield and stability pattern. The genotypes Arun-1 EV and Arun-4 were better adapted for Kabre and Pakhribas where as pool-17 for Rajahar environments. The overall findings showed that Arun-1EV was more stable followed by Arun-2 therefore these two varieties can be recommended to farmers for cultivation in both environments.

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