scholarly journals AGRONOMIC AND QUALITATIVE TRAITS OF SAFFRON AND CUMIN IN RESPONSE TO INTERCROPPING

2020 ◽  
Vol 19 (5) ◽  
pp. 53-61
Author(s):  
Mohammadreza Maleki ◽  
Mohammadjavad Seghatoleslami ◽  
Gholamreza Mousavi ◽  
Hassan Feizi
Keyword(s):  
Quantitative Traits ◽  
Agronomic Traits ◽  
Block Design ◽  
Physical Chemical ◽  
Short Period ◽  
Randomized Complete Block Design ◽  
Temperature And Growth ◽  
Qualitative Characteristics ◽  
Number Of Seeds ◽  
Cumin Seed

As well as the expansion of land use due to the short period of saffron growth, its intercropping can also enhance yields and agronomic traits, which usually happens through weed control, shading, and the reduction of soil temperature and growth climate. Therefore, the effects of cumin seed rates in an intercropping on quantitative and qualitative characteristics of saffron were studied in a Randomized Complete Block Design (RCBD) with three replications in Zaveh, Torbat-E Heydariyeh, Iran, during 2016–2017. Treatments included five levels of cumin seed proportions (25, 50, 75 and 100% of the optimum density). The results of the study indicated the significant effect of cumin seed rates on all the measured traits of saffron except the number of flowers, daughter corms and leaves, as well as safranal value. The minimum and maximum weight of dry stigma was associated with the ratios of 100 and 25% of cumin seed, respectively. Any increase in the ratio of cumin seed by over 25% reduced the amount of other quantitative traits. The cumin seed ratio showed significant effects on the number of umbels per plant, the number of seeds per plant, and seed yield. Since the increase in the number of seeds per plant as a result of low ratios of cumin seed cannot compensate for the reduction of plants, therefore, lower yields would be attained. Totally, increasing shading and less competition, due to lower ratios of seed, improves physical, chemical and biological conditions of the soil, and helps to save more water. Such conditions improve the traits of corm, flower, and photosynthetic area, and so results in an economical saffron yield.

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 GROWTH AND YIELD EVALUATION OF MUSTARD VARIETIES GROWN IN A MEDIUM HIGHLAND OF KHULNA REGION

2021 ◽  
Vol 18 (1) ◽  
pp. 1-8
Keyword(s):  
Seed Weight ◽  
Harvest Index ◽  
Block Design ◽  
Growth Yield ◽  
Growth And Yield ◽  
Rabi Season ◽  
Yield Attributes ◽  
Randomized Complete Block Design ◽  
Stover Yield ◽  
Number Of Seeds

The present research was conducted at the experimental field of Agrotechnology Discipline, Khulna University, Khulna during Rabi season 2016-17 to investigate the growth and yield performance of mustard varieties. The experiment was arranged in a randomized complete block design consisting of eight mustard varieties (viz. BARI Sarisha-8, BARI Sarisha-11, BARI Sarisha-13, BARI Sarisha-14, BARI Sarisha-15, BARI Sarisha-16, Rai and Tori-7) as treatment and replicated thrice. All the growth, yield attributes and yield were substantially influence among the mustard varieties except the phenological parameters. Results of the experiment showed that the highest plant height (131.33 cm), seed yield (1813.33 kg ha-1) and stover yield (3876.67 kg ha-1) were found in BARI Sarisha-16. BARI Sarisha-11 was found better in respect of maximum siliqua plant-1, weight of seeds plant-1, 1000-seed weight and harvest index. Besides this, BARI Sarisha-14 showed the maximum number of seeds siliqua-1. Therefore, findings of this study suggested that BARI Sarisha-16 would be suitable for better productivity and recommended for cultivation in the medium highland of Khulna region of Bangladesh.

scholarly journals Effect of Iron on Yield of Corn (Zea mays L.) in Drought Stress

2019 ◽  
Vol 52 (1) ◽  
pp. 34-43
Author(s):  
K. Rafsanjani ◽  
A. Madani ◽  
F. Vazin
Keyword(s):  
Drought Stress ◽  
Seed Yield ◽  
Arid Regions ◽  
Block Design ◽  
Control Treatment ◽  
Yield Reduction ◽  
Pan Evaporation ◽  
Randomized Complete Block Design ◽  
Four Levels ◽  
Number Of Seeds

Abstract In hot and arid regions, drought stress is considered as one of the main reasons for yield reduction. To study the effect of drought stress, iron spray on the yield and yield components of corn, an experiment was carried out during the crop seasons of 2013 on research Farm in Faizabad of Iran, as a split plot within randomized complete block design with three replications. The main plots with irrigation factor and four levels were considered: level A) 50 ml evaporation from pan evaporation; level B) 100 ml evaporation from pan evaporation; level C) 150 ml evaporation from pan evaporation and level D) 200 ml evaporation from pan evaporation. Sub plots were considered with iron spray in three levels, included level A) 80 g/ha, level B) 130 g/ha and level C) 180 g/ha. The drought stress reduced seed yield, the 1000-kernels weight (TKW), the number of seeds per ear, the number of seeds per row in ear, the number of rows per ear about 39%, 6%, 31%, 14% and 27% less than control treatment, respectively. Using iron, as compared with control treatment, causes the increase of 1000-kernels weight from 295 to 311 g and the increase of seed yield from 5188 to 7078. The results obtained from the present research showed that iron spray has fairly improved the effects caused by drought stress.

scholarly journals Effect of Seed Distribution and Population on Maize (Zea maysL.) Grain Yield

2014 ◽  
Vol 2014 ◽  
pp. 1-8 ◽  
Author(s):  
Bee Khim Chim ◽  
Peter Omara ◽  
Natasha Macnack ◽  
Jeremiah Mullock ◽  
Sulochana Dhital ◽  
...  
Keyword(s):  
Grain Yield ◽  
Vegetation Index ◽  
Normalized Difference Vegetation Index ◽  
Block Design ◽  
N Uptake ◽  
Plant Spacing ◽  
Randomized Complete Block Design ◽  
Seed Distribution ◽  
Treatment Structure ◽  
Number Of Seeds

Maize planting is normally accomplished by hand in the developing world where two or more seeds are placed per hill with a heterogeneous plant spacing and density. To understand the interaction between seed distribution and distance between hills, experiments were established in 2012 and 2013 at Lake Carl Blackwell (LCB) and Efaw Agronomy Research Stations, near Stillwater, OK. A randomized complete block design was used with three replications and 9 treatments and a factorial treatment structure of 1, 2, and 3 seeds per hill using interrow spacing of 0.16, 0.32, and 0.48 m. Data for normalized difference vegetation index (NDVI), intercepted photosynthetically active radiation (IPAR), grain yield, and grain N uptake were collected. Results showed that, on average, NDVI and IPAR increased with number of seeds per hill and decreased with increasing plant spacing. In three of four site-years, planting 1 or 2 seeds per hill, 0.16 m apart, increased grain yield and N uptake. Over sites, planting 1 seed, every 0.16 m, increased yields by an average of 1.15 Mg ha−1(range: 0.33 to 2.46 Mg ha−1) when compared to the farmer practice of placing 2 to 3 seeds per hill, every 0.48 m.

Genetic Assessment of Combining Ability for Seed-Yield and Its Related Traits in Soybean [Glycine max (L.) Merrill]

2020 ◽  
Author(s):  
Gbemisola Oluwayemisi Ige ◽  
Godfree Chigeza ◽  
Subhash Chander ◽  
Abebe Tesfaye Abush ◽  
David Kolawole Ojo ◽  
...  
Keyword(s):  
Seed Yield ◽  
Combining Ability ◽  
Agronomic Traits ◽  
Block Design ◽  
Days To Flowering ◽  
Randomized Complete Block Design ◽  
Glycine Max L ◽  
Improvement Programme ◽  
Genetic Assessment ◽  
Made In

Crosses were made in line × tester mating design between a set of five IITA soybean released varieties and three plant introduced (PI) accessions obtained from World Vegetable Center, Taiwan. In order to produce sufficient seeds, F1 crosses were selfed, subsequently F2 populations along with their parents were planted in a randomized complete block design at two locations in Nigeria with three replications. Agronomic traits viz. days to flowering, days to poding, plant height, number of pods/plant and seed yield/plant were measured. Testers and lines showed significant differences for all the measured traits except days to flowering for testers. Considering the significance and magnitude of general combining ability (GCA) effect, line TGx 1988-5F was observed desirable for earliness, while line TGx 1989-19F was the best combiner for number of pods/plant and seed yield/plant. On the other hand, best tester for seed yield was PI 230970. Crosses TGx 1835-10E × PI 459025B and TGx 1987-62F × PI 459025B had significant and highest SCA effect for seed yield/plant. These two crosses appeared to be most promising for soybean yield improvement programme.

scholarly journals Cupuaçu tree genotype selection for an agroforestry system environment in the Amazon

2021 ◽  
Vol 56 ◽  
Author(s):  
Rafael Moysés Alves ◽  
Saulo Fabrício da Silva Chaves ◽  
Rodrigo Silva Alves ◽  
Thalita Gomes dos Santos ◽  
Dênmora Gomes de Araújo ◽  
...  
Keyword(s):  
Mixed Model ◽  
Agronomic Traits ◽  
Block Design ◽  
Black Pepper ◽  
Agroforestry System ◽  
Piper Nigrum ◽  
Randomized Complete Block Design ◽  
Agronomic Potential ◽  
Broom Disease ◽  
Selection Of

Abstract: The objective of this work was to select cupuaçu (Theobroma grandiflorum) tree progenies and individuals based on their agronomic traits, and, indirectly, to identify those adapted to an agroforestry system (AFS) environment in the Brazilian Amazon. For this purpose, 25 full-sib progenies were planted and tested in consortium with black pepper (Piper nigrum), banana (Musa spp.), and bacuri (Platonia insignis) trees. The experiment was carried out in a randomized complete block design, with five replicates and three plants per plot, from 2005 to 2019. For the statistical analyses, the phenotypic averages for production and incidence of witches’ broom disease, evaluated during 11 harvests, were used. Superior progenies and individuals were identified using the mixed model methodology (REML/BLUP), which led to the selection of ten plants from five families with superior agronomic traits. Cupuaçu tree progenies 6, 36, 37, 49, and 52 are the ones that best adapt to the environment of a multispecies AFS in the Amazon region because of their agronomic traits under competitive conditions. Ten matrices show agronomic potential and indirect adaptation to the AFS and can be used as clonal cupuaçu cultivars in this environment.

scholarly journals Assessment of Juvenile Growth and Yield Relationship Among Dwarf Cashew Types in Ghana

2020 ◽  
Vol 12 (10) ◽  
pp. 116
Author(s):  
A. M. Dadzie ◽  
P. K. K. Adu-Gyamfi ◽  
A. Akpertey ◽  
A. Ofori ◽  
S. Y. Opoku ◽  
...  
Keyword(s):  
Agronomic Traits ◽  
Environmental Influence ◽  
Block Design ◽  
Growth And Yield ◽  
Agronomic Performance ◽  
Juvenile Growth ◽  
Genetic Advance ◽  
Randomized Complete Block Design ◽  
High Heritability ◽  
The Relationship

Cashew (Anacardium occidentale L.) is an important tropical cash crop cultivated in Ghana. It provides livelihood for about 200,000 people and contributes 6.1% to Ghana’s gross domestic product (GDP). Four Brazilian dwarf accessions were introduced to improve nut yield. Objectives of this study were to (1) assess the agronomic performance of the accessions across two contrasting ecologies, (2) determine environmental influence on juvenile growth, (3) determine the relationship between early vegetative growth and yield and (4) explore heritability and genetic advance for the measured agronomic traits. The experiment was laid out in a randomized complete block design with 3 replications. Results revealed significant (p < 0.05) environmental influence on growth and yield of cashew. Transitional savanna agro-ecology is more suitable for cashew growth and development. Crop year, location and crop year × location interactions also influenced most of the agronomic traits. Early growth characteristics alone were not enough to predict yield. Genotype B2 ranked highest yielding across the agro-ecologies. Moderate to high heritability and genetic advance estimates were observed for nut yield, plant height and girth, an indication of variability among accessions needed for cashew improvement in Ghana.

scholarly journals Relationship between grain yield and blossoming in upland rice lines

2020 ◽  
Vol 1 (1) ◽  
pp. 98
Author(s):  
Monique Carolina Nunes Fernandes ◽  
Douglas Goulart Castro ◽  
Flávia Barbosa Silva Botelho ◽  
Amanda Mendes de Moura ◽  
Laís Moretti Tomé ◽  
...  
Keyword(s):  
Grain Yield ◽  
Agronomic Traits ◽  
Upland Rice ◽  
Block Design ◽  
Phenotypic Correlation ◽  
Days To Flowering ◽  
Randomized Complete Block Design ◽  
Simultaneous Selection ◽  
Genotype Correlation ◽  
Low Magnitude

For upland rice, it is desired, among many objectives, to obtain highly productive and early genotypes, consequently reducing the risk of establishing a crop regarding climatic adversities. Therefore, this study aimed to verify the correlation between the agronomic traits days to flowering and grain yield of 14 upland rice lines. The experiment was conducted in seven environments, in the 2013/14, 2014/15 and 2015/16 crop years, in a randomized complete block design with three replications. Both the genotypic and phenotypic correlation were significant and positive, whereas the genotype correlation was superior to the phenotype. However, it was noted a low magnitude of the correlation values. It was concluded that a favorable and simultaneous selection is possible for high grain yield and plants with early blossoming cycle in upland rice.

scholarly journals Evaluation of lentil varieties for adaptation and yield performance under midland ecology of kaffa zone, south-west Ethiopia

2020 ◽  
Vol 9 (2) ◽  
pp. 9-14
Author(s):  
MM Geja
Keyword(s):  
Agricultural Research ◽  
Block Design ◽  
New Variety ◽  
South West ◽  
Selection Processes ◽  
Cropping Season ◽  
Randomized Complete Block Design ◽  
Testing Site ◽  
South West Ethiopia ◽  
Number Of Seeds

A field experiment was conducted to identify the best adapted and high yielding lentil variety at Shishinda sub-testing site of Bonga Agricultural Research Center during 2012 main cropping season. The experiment was carried out in randomized complete block design with three replications. Eleven improved lentil varieties were used for this study. The varieties included in the study were Teshale, Alemaya, Alemtena, Assano, Gudo, EL-142, R-186, Ada’a, Derso, Chalew and Chekol. The parameters studied in this experiment were days to flowering and maturity, plant height, number of pods plant-1, number of seeds pod-1, thousand seeds weight and grain yield. The analysis of the experiment showed significant (p<0.05) differences among varieties for all studied parameters. The varieties Assano, Alemtena, Derso, EL-142, and Gudo were found to be high yielder with the value of 1.71, 1.59, 1.39, 1.36 and 1.31 ton ha-1, respectively. In addition, farmers were invited to evaluate the performance of the tested varieties under field condition. Eventually, the farmers selected Assano and Alemtena as the most preferred varieties. Therefore, these varieties can be suggested to use for wider production in the study area. The involvement of farmers in variety selection processes may increases the adoption of new variety in the area. Int. J. Agril. Res. Innov. Tech. 9(2): 9-14, December 2019

scholarly journals Effect of Different Levels of Paclobutrazol on the Yield of Asha and Farmers’ Variety of Peanut

2015 ◽  
Vol 21 (1) ◽  
Author(s):  
Mary Grace B. Gatan ◽  
Virgilio DM. Gonzales
Keyword(s):  
Seed Yield ◽  
Block Design ◽  
Stem Growth ◽  
Assimilate Partitioning ◽  
Growth Retardants ◽  
Wet Season ◽  
Significant Difference ◽  
Randomized Complete Block Design ◽  
Different Levels ◽  
Number Of Seeds

Peanut (Arachis hypogaea)  is commonly grown during the dry season and most farmers used the native variety. Growth retardants such as paclobutrazol (PBZ) was found to increase yield of some important crops. A study was conducted to determine the effect of different levels of paclobutrazol on the peanut yield of Asha and Farmers’ variety during the wet season. The experimental area was laid out using Randomized Complete Block Design (RCBD) factorial. Treatments were replicated thrice. Data were analyzed by Analysis of Variance (ANOVA) and  the Honest Significant Difference (HSD) test was used to compare treatment means. The increasing level of PBZ increased the number of pods of Asha by 29.97% while the most number of seeds was obtained from farmers’ variety. Applied PBZ Asha at 150mg/L recorded the highest shelling percentage that is 16.19% higher when compared to the untreated. Paclobutrazol application significantly increased seed yield of Asha and farmers’ variety by 43.34% and 20.86% at 150mg/L and 75mg/L, respectively. The increase in yield was due to the observed reduction in plant height and stem growth which possibly enhanced assimilate partitioning to pods. Asha applied with PBZ at 150mg/L obtained the highest seed yield of 4.2 tons/ha. Keywords— Agriculture, yield, peanut, paclobutrazol, experimental design, Pampanga, Philippines

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