scholarly journals Comparación de genotipos de frijol negro opaco en suelos ácidos del sur de Veracruz

2020 ◽  
Vol 38 (1) ◽  
pp. 91
Author(s):  
Oscar Hugo Tosquy-Valle ◽  
Rigoberto Zetina-Lezama ◽  
Ernesto López-Salinas ◽  
Francisco Javier Ibarra-Pérez ◽  
Bernardo Villar-Sánchez ◽  
...  
Keyword(s):  
Soil Acidity ◽  
Acid Soil ◽  
Block Design ◽  
Geometric Mean ◽  
Winter Season ◽  
Yield Component ◽  
High Yield ◽  
Soil Conditions ◽  
Breeding Lines ◽  
Black Bean

In southern Veracruz, Mexico, soil acidity is one of the main environmental factors that reduce the production yield of common bean. The objectives of this research were to identify outstanding opaque black bean breeding lines according to their level of adaptation to acid soils and high yield eff iciency with and without the addition of dolomite into the soil, as well as to determine which is the yield component that associates the most to a greater production of beans. During the Fall/Winter season of 2016-17 two trials were performed in Juan Rodríguez Clara, Veracruz, in a land with a soil of initial pH = 4.67. One trial was conducted under stress conditions by soil acidity and the other with 2.58 Mg ha-1 of dolomite, applied to the soil 27 d before sowing. Twelve black bean breeding lines were evaluated and compared to Negro Grijalva and Negro Comapa bean varieties. All beans were arranged in a randomized complete block design with three replicates. The variables measured were dry matter production without grain, weight of 100 seeds, number of pods per plant and grain yield. An analysis of variance of the quantif ied variables and the least signif icant difference (LSD, 0.05) tests for separation of means were performed. Negro Citlali/XRAV-187-3-1-8 showed the best adaptation to acid soil conditions in southern Veracruz, which obtained yields of 911.0 and 706.3 kg ha-1 with and without dolomite, respectively. These values were signif icantly higher than the commercial beans. This breeding line also showed the highest productive eff iciency, since it obtained the highest geometric mean (MGi) values (802.1) and a relative eff iciency index (IERi) of 2.00. Under both conditions of edaphic acidity, the number of pods per plant was the only plant trait that was positively related to seed yield (r = 0.91 ** and 0.87 **, with and without dolomite).

scholarly journals Productivity of Indigofera zollingeriana under different canopy and soil acidity level in oil palm estate

2016 ◽  
Vol 21 (2) ◽  
pp. 135
Author(s):  
Iwan Herdiawan
Keyword(s):  
Organic Matter ◽  
Oil Palm ◽  
Dry Matter ◽  
Soil Acidity ◽  
Acid Soil ◽  
Block Design ◽  
Calcium Content ◽  
Great Opportunity ◽  
Dry Matter Digestibility

<p class="abstrak2">Oil palm estate area in Indonesia is generally located in a sub-optimal land that has great opportunity for the development of forage supply. This study aims were to determine productivity of <em>Indigofera</em> zollingeriana under various canopy level. This research used factorial randomized block design with 3 canopy levels (under 2, 5, and 7 year oil palm canopy) and 2 levels of soil acidity (neutral and acid soil) treatments, where each treatment was repeated 4 times. Parameters observed were production and nutrient content of <em>Indigofera</em> zollingeriana. Research results showed that there was no interaction between the canopy levels and soil acidity on the production of fresh leaves, stems/branches, biomass, and leaves/stem ratio of I. zollingeriana. Production of fresh leaves, stems, biomass, and leaves/branches ratio of <em>I. </em>zollingeriana significantly (P &lt;0.01) decreased along with increase of canopy level. Soil acidity significantly (P &lt;0.05) decreased production of fresh leaves, stems, biomass, and leaves/branches ratio. Level of canopy treatment significantly (P &lt;0.05) increased content of crude protein, crude fiber and energy, otherwise value of in vitro dry matter digestibility (IVDMD) and organic matter digestibilyity (IVOMD) were decrease. Soil acidity significantly (P &lt;0.05) decreased calcium content, in vitro dry matter digestibility (IVDMD) and organic matter digestibility (IVOMD) of <em>I. </em>zollingeriana.</p>

scholarly journals Field Evaluation of Yield and Yield Component Traits of Breeding Lines of Maize over Two Seasons in Derived Savannah Agro-Ecology

2018 ◽  
Vol 10 (4) ◽  
pp. 567-574
Author(s):  
Charles U. UBA ◽  
Christian U. AGBO ◽  
Uchechukwu P. CHUKWUDI ◽  
Andrew A. EFUSIE ◽  
Stella O. MUOJIAMA
Keyword(s):  
Grain Yield ◽  
Block Design ◽  
Field Evaluation ◽  
Yield Component ◽  
Seasonal Effects ◽  
International Institute ◽  
Early Season ◽  
Breeding Lines ◽  
Late Season ◽  
Positive Effects

The understanding of yield and the interaction with its components is very important for selection in early generations of crop breeding. Twelve maize genotypes were collected from International Institute for Tropical Agriculture (IITA) along with seven landraces in order to identify the contribution of different traits to yield improvement. The experiments were carried out in two different seasons (March/April-early and July/August- late) in a randomized complete block design with three replications. Early season planting had a higher grain yield than late season planting. The difference in grain yield between early and late season was 3.92 tons/ha. This represents a 27.8% increase in grain yield during the early season over the late season planting. Number of ears per plant and shelling percentage were not influenced by seasonal effects. Ear weight and days to tasselling showed the highest direct positive effects of 0.972 and 0.665, respectively on grain yield, during early season. Furthermore, ear weight, followed by shelling percentage, exerted the highest direct positive effect on grain yield in late season. Higher indirect positive effects were obtained for ear diameter, ear length, ear height and plant height via ear weight in both seasons. Ear weight, days to tasselling and ear length were identified as the major traits affecting yield of maize in both seasons in the derived Savannah agro-ecology.

scholarly journals Growth and Yield of Different Varieties of True Shallot Seed on Highland in West Sumatra, Indonesia

2021 ◽  
Vol 2021 ◽  
pp. 1-6
Author(s):  
Atman ◽  
Irfan Suliansyah ◽  
Aswaldi Anwar ◽  
Syafrimen Yasin
Keyword(s):  
Block Design ◽  
Yield Component ◽  
Growth And Yield ◽  
Yield Potential ◽  
High Yield ◽  
Randomized Complete Block Design ◽  
West Sumatra ◽  
The Cost ◽  
High Yield Potential

Cultivation of true shallot seeds has the potential to be developed in Indonesia because apart from being able to reduce the cost of providing seeds, it also has higher productivity than shallot from tubers. This study aims to determine the appearance of true shallot seed varieties that have high yield potential in the highlands of West Sumatra. The study used a randomized complete block design (RCBD) with 4 treatments of true shallot seed varieties, namely, Trisula, Bima, Lokananta, and Sanren, with 6 replications. The results showed that except for the age of harvest and the number of tubers per hill, the treatment of various varieties of true shallot seeds showed a significant effect on all observed variables. Lokananta variety has better growth component, yield component, and yields compared to other varieties (Trisula, Bima, and Sanren). Cultivation of true shallot seeds in the highlands gives lower yields than in the adapted area (lowland), except for the Trisula variety. Lokananta variety is recommended for use in the highlands of West Sumatra.

scholarly journals Genetic Analysis and Selection Criteria in Bambara Groundnut Accessions Based Yield Performance

Agronomy ◽  
2021 ◽  
Vol 11 (8) ◽  
pp. 1634
Author(s):  
Atiqullah Khaliqi ◽  
Mohd Y. Rafii ◽  
Norida Mazlan ◽  
Mashitah Jusoh ◽  
Yusuff Oladosu
Keyword(s):  
Genetic Variability ◽  
Large Scale ◽  
Block Design ◽  
Crop Improvement ◽  
Yield Component ◽  
Bambara Groundnut ◽  
Breeding Systems ◽  
High Yield ◽  
Improvement Programs ◽  
The Relationship

The knowledge of genetic variability and breeding techniques is crucial in crop improvement programs. This information is especially important in underutilized crops such as Bambara groundnut, which have limited breeding systems and genetic diversity information. Hence, this study evaluated the genetic variability and established the relationship between the yield and its components in Bambara groundnut based on seed weight using multivariate analysis. A field trial was conducted in a randomized complete block design with three replications on 28 lines. Data were collected on 12 agro-morphological traits, and a statistical analysis was conducted using SAS version 9.4 software, while the variance component, genotypic and phenotypic coefficient variation, heritability, and genetic advance values were estimated. A cluster analysis was performed using NT-SYS software to estimate the genetic relations among the accessions. The results showed significant variability among the accessions based on the yield and yield component characteristics. The evaluated lines were grouped into seven primary clusters based on the assessed traits using the UPGMA dendrogram. Based on the overall results, G5LR1P3, G1LR1P3, G4LR1P1, G2SR1P1 and G3SR1P4 performed the best for the yield and yield components. These improved lines are recommended for large-scale evaluation and utilization in future breeding programs to develop high-yield Bambara groundnut varieties.

scholarly journals Diversity and genetic parameter of chili pepper (Capsicum annuum) based on yield component in three location

2021 ◽  
Vol 22 (2) ◽  
Author(s):  
Tri Wahono Dyah Ayu Sayekti ◽  
MUHAMAD SYUKUR ◽  
SRI HENDRASTUTI HIDAYAT ◽  
AWANG MAHARIJAYA
Keyword(s):  
Capsicum Annuum ◽  
Clustering Analysis ◽  
Block Design ◽  
Genetic Parameter ◽  
Yield Component ◽  
Chili Pepper ◽  
Breeding Lines ◽  
Randomized Complete Block Design ◽  
Gxe Interactions ◽  
Elite Breeding Lines

Abstract. Sayekti TWDA, Syukur M, Hidayat SH, Maharijaya A. 2021. Diversity and genetic parameter of chili pepper (Capsicum annuum) based on yield component in three locations. Biodiversitas 22: 823-829. With the increase in the use of chili, it is necessary to develop these commodities through plant breeding activities. Phenotypes are not only determined by genetics, but also by environmental factors and the GxE interactions, so all the factors need to be considered. The aims of this study were to evaluate the variability of ten elite breeding lines and three commercial varieties of chili pepper (Capsicum annuum L.) across three different environments. This experiment was conducted in three environments namely Bogor, Kolaka, and Palembang, from January until July 2019. Thirteen genotypes consisting of ten elite lines and three commercial chili pepper were used. This experiment was arranged in a randomized complete block design (RCBD) with three replications for each environment. To determine the effect of environment, Combined Analysis of Variance was carried out for all environments using PBSTAT-GE. The environment used in this experiment was lowland that varies between each other. The genotype with the fastest harvesting age relative in three environments was F7-145293-19-8-3-113-1. The highest number of fruits per plant was observed in genotype F9-160291-9-4-3-2-1-1-1 with 261 fruits per plant. The highest yield was observed in genotype F7-145174-9-7-1-5-3. From the clustering analysis, this population was grouped into five clusters. The heritability values for the 12 observed traits ranged between 22.68-69.97%, classified into high and moderate criteria.

scholarly journals Growth and yield performance of okra genotypes in acidic soil at Sylhet Region, Bangladesh

2020 ◽  
Vol 5 (3) ◽  
pp. 283-291
Author(s):  
M. Rahman ◽  
A.F.M.S. Islam ◽  
M. Hasan ◽  
M. Uddin
Keyword(s):  
Acid Soil ◽  
Block Design ◽  
Acidic Soil ◽  
Growth And Yield ◽  
Soil Conditions ◽  
Cropping Pattern ◽  
Yield Performance ◽  
Yield Attributes ◽  
Sylhet Region ◽  
Final Harvest

A field experiment was conducted at the field laboratory of Department of Crop Botany and Tea Production Technology, Sylhet Agricultural University from August 2016 to January 2017 to select the best suited okra genotype(s) considering growth and yield performance among eleven genotypes viz. BARI Dherosh−1 (control) and 10 exotic (Japanese okra) cultivable in acidic soil conditions. All okra genotypes were evaluated in relation to morphological characteristics and yield performance at defined area of study. The treatment combinations were laid out in a Randomized Complete Block Design (RCBD) with three replications. In almost all parameters, significant variations were observed. Experimental findings revealed that BARI Dherosh−1, JO−2, JO−6 and JO−10 showed excellent performance in germination capacity. The high yielding genotype BARI Dherosh−1 exhibited taller plant at final harvest. Early flowers, individual fruit weight with maximum number of flowers and fruits plant-1 was observed in JO−6. The genotype JO−3 produced the highest number of branches, internodes and leaves at final harvest. The flowering duration was long in the genotype JO−2. The highest fruit setting (%) was observed in JO−1. The longest fruit length and the lowest number of aborted fruits were observed in JO−5 whereas BARI Dherosh−1 showed the largest fruit diameter at 9 DAF and heaviest hundred seed weight. The highest fruit fresh weight observed in JO−4 and the highest fruit dry weight observed in JO−5 at 9 DAF.  Regarding fruit yield, the genotype JO−6, JO−10 and JO−3 performed better. The genotypes JO−6 and JO−10 were found to be promising genotypes in acid soil considering the morphological features and yield attributes. Since the variety of our research is suitable for Sylhet region acid soil, if our variety is combined with Sylhet’s cropping pattern cropping intensity will be increase, which will benefit the farmer financially and meet the nutritional needs.

scholarly journals Adaptation to mid-season drought in a sweetpotato (Ipomoea batatas [L.] Lam) germplasm collection grown in Mozambique

2017 ◽  
Vol 2 (1) ◽  
Author(s):  
Godwill S. Makunde ◽  
Maria I. Andrade ◽  
Jose Ricardo ◽  
Abilio Alvaro ◽  
Joana Menomussanga ◽  
...  
Keyword(s):  
Drought Tolerance ◽  
Harvest Index ◽  
Ipomoea Batatas ◽  
Block Design ◽  
Geometric Mean ◽  
Germplasm Collection ◽  
High Yield ◽  
Research Station ◽  
Storage Root ◽  
Root Yield

AbstractDrought has negative effects on sweetpotato production. Two experiments with two watering treatments (irrigated and water-stressed) were conducted at Umbeluzi Research Station in 2015. The objectives were to (i) determine response of 48 sweetpotato germplasms to mid-season drought, (ii) determine best traits for improvement of storage root yield under mid-season drought and (iii) assess the selection criteria for identifying drought tolerance in sweetpotato germplasms. The irrigated and water- stressed trials received 640 and 400 mm of water, respectively, throughout the season. Water stress was imposed from 30 to 70 days after planting. Each treatment had two replicates arranged in a randomized complete block design. Data collected on storage root and vine yield and derived drought tolerance indices including harvest index were subjected to analysis of variance in R. Sweetpotato germplasms with high storage root yield under mid-season drought were associated with a high harvest index. Harvest index stability and the geometric mean are key to identifying cultivars with high and stable storage root yield under both treatments. MUSGP0646-126, Irene and Ivone combined both low TOL, SSI, HI and high yield storage root yield across the treatments and over seasons. The use of drought and harvest indices is encouraged for selecting improved cultivars for varied production environments and their regular use in accelerated breeding schemes is suggested.

scholarly journals Soil Acidity Indices, Nutrient Availability and Plant Growth through Amelioration Practices in Adjacent Coal-mine Paddy Soil

2020 ◽  
pp. 7-19
Author(s):  
Markynti S. Lyngdoh ◽  
Naorem Janaki Singh ◽  
D. Thakuria ◽  
Vishram Ram ◽  
Lala I. P. Ray ◽  
...  
Keyword(s):  
Soil Ph ◽  
Coal Mine ◽  
Soil Acidity ◽  
Mine Drainage ◽  
Acid Soil ◽  
Block Design ◽  
Poultry Manure ◽  
Field Trials ◽  
Graduate Studies ◽  
Yield Attributes

Potential adjacent coal mine paddy soils often endure low soil and plant productivity through unscientific mining activities causing acid mine drainage. But the extent of its effect to soil is not known, therefore the study was taken to characterize coal mine affected lowland fields on the basis of soil acidity, identify the best amelioration practices and evaluate the performance on rice productivity at farmers’ field level. An experiment with a completely randomised block design (5 replicates) was performed to determine the effects of poultry manure (PM), compost (C), lime (L), paper mill sludge (PMS) and microbial consortium (MC) with their suitable combination through pot experimentation at College of Post Graduate Studies followed by the preeminent selected practices at field trials at Khliehriat, Meghalaya. The factors used were PM and C (10 t ha-1), L as CaCO3, PMS (250 and 500 kg ha-1) and MC were incorporated at appropriate rates. On categorization, two locations were found to exhibit extremely pH acid soil (pH 4.51 ± 0.51) i.e. Moonlakhep (L1) and ultra pH soil (pH 3.14 ± 0.23) i.e. Ladrymbai (L2). Integration of practices showed significant increase in soil acidic indices such as soil pH by 6% to 23% and significant decrease in exchangeable acidity by 49% to 18% with T4 at both locations. Confined increases of soil organic carbon by 12% to 40% with enhanced available soil nutrients by 40% at high optimum rates were noticed. Yield attributes were significantly influenced by different treatments. Highest plant height (83.58 cm and 81.32 cm), grain yield (3436 kg ha-1 and 3120 kg ha-1) were recorded under the practices of T4. However, stover yield (7875 kgha-1) was noticed in T8 at L1 and at L2 maximum in T4 (7420 kgha-1). Soil acidic indices, nutrient and crop growth were influenced at high optimum rates of soil amendment and enhanced with PM amended soil.

scholarly journals Effect of Integrated Nutrient Management on Okra Production in Acid Soil

2021 ◽  
Vol 3 (6) ◽  
pp. 55-60
Author(s):  
Bushra Islam Binte ◽  
Mahmuda Akter ◽  
Mariam Khanam ◽  
Md. Ashraful Alam ◽  
Md. Parvez Kabir ◽  
...  
Keyword(s):  
Crop Production ◽  
Nutrient Management ◽  
Acid Soil ◽  
Block Design ◽  
Growth And Yield ◽  
Soil Conditions ◽  
Cow Dung ◽  
Integrated Nutrient Management ◽  
Chemical Fertilizers ◽  
Yield Attributes

Integrated Nutrient Management (INM) is a novel strategy to achieve sustainable crop production in degraded soils through judicious and balanced plant nutrients utilization. Sole application of chemical fertilizers in crop production causes soil and environmental pollution. The present study was designed to assess the effects of application of organic manures conjointly with chemical fertilizers on growth and yield of okra in acid soil. The experiment was consisted of four treatments viz. T0 [Control], T1 [Recommended dose of chemical fertilizers (RDF)], T2 [Dolomite (D) @ 1t ha-1 + RDF], T3 [Poultry manure (PM) @ 3t ha-1 + RDF], T3 [Cow dung (CD) @ 5t ha-1 + RDF] with six replications in a randomized complete block design. The results indicated that the use of PM with RDF showed better performance in the growth and yield attributes of okra. Compared with others plots, the highest plant height (114.10 cm), fresh weight plant-1 (591.58 g) and dry weight plant-1 (86.73 g) were observed in the PM-treated plot. Similarly, the highest number of fruits plant-1 (20.33) and fruit yield (13.58 t ha-1) were also found in PM-treated plants. Therefore, under acidic soil conditions, organic and inorganic fertilization may have a significant positive impact on the growth and yield of Okra.

scholarly journals (5) Cucumber Cultivars and Cultural Practices for Patio Gardening

HortScience ◽  
2006 ◽  
Vol 41 (4) ◽  
pp. 1015B-1015
Author(s):  
Melisa Crane ◽  
Todd Wehner
Keyword(s):  
Plant Density ◽  
Cultural Practices ◽  
Block Design ◽  
Field Trials ◽  
High Yield ◽  
Additional Advantage ◽  
Breeding Lines ◽  
Plant Densities ◽  
Pickling Cucumbers ◽  
Using Data

Cucumber (Cucumis sativus L.) is one of the most popular vegetables grown in U.S. home gardens. The objectives of this study were to identify suitable cultivars and proper plant density for use with container-grown cucumber. Additional objectives were to determine the value of field trials for predicting cucumber performance in containers, and to evaluate different plant types (dwarf vs. tall, gynoecious vs. monoecious, pickling vs. slicing) for container use. Fourteen cultivars and breeding lines were tested at three densities in two seasons using a randomized complete-block design with six replications. Pickling cucumbers were M 21, M 27, NC-74, `NC-Danbury', `NC-Dixon', `Sumter', `Vlaspik', and `Picklebush'. Slicing cucumbers were `Bush Whopper II', `Spacemaster 80', `Bush Champion', `Marketmore 76', `Dasher II', and `Cherokee 7'. Plant densities were one, two, or three plants per container. For both the spring and summer container trials, there were corresponding field trials run at the same time for comparison. Best performance was obtained using three plants per container, or 4 L of soil volume per plant. There was a strong, significant correlation between patio and field trials, permitting gardeners to choose cucumber cultivars with high yield, high quality, and disease resistance using data from field trials. Pickling-type cucumbers have thinner skin than slicing-type cucumbers that were bred for shipping. Gynoecious types must be planted with monoecious cultivars to assure fruit set. Monoecious types can self-pollinate, and have the additional advantage of longer harvest period. Thus, home gardeners may want dwarf, monoecious, pickling types for best performance in containers. The best cultivar of that type was `NC-Danbury'.

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