scholarly journals The Rain Forest Environment and Oil Palm Fatal Yellowing

2021 ◽  
Author(s):  
Renata Cristina Martins Pereira ◽  
Antônio Eduardo Furtini Neto ◽  
Adélia Aziz Alexandre Pozza ◽  
Sidney Vasconceslos Nascimento ◽  
Humberson Rocha Silva ◽  
...  
Keyword(s):  
Oil Palm ◽  
Plant Pathogens ◽  
Abiotic Factors ◽  
Forest Environment ◽  
Palm Trees ◽  
High Level ◽  
Epidemiology Studies ◽  
Related Proteins ◽  
Relationship Of ◽  
The Relationship

Abstract Oil palm produces the most consumed vegetable oil in the world. In addition to being economically viable and having multiple uses, the crop has a strong ecological appeal, given its high level of carbon sequestration, its low environmental impact, and a low mechanization level in the harvest process, generating income and financial sustainability for the inhabitants of that biome. However, despite the large areas suitable for cultivation in harmony with the forest in Brazil, oil palm production has been limited by a disease known as fatal Yellowing (FY). In 30 years of research to determine the causal agent of this disease, many epidemiology studies with insects and plant pathogens have been performed, but there is no consensus on its cause. Abiotic factors have also started to be considered a possible cause of these symptoms. Therefore, to clarify the relationship of this disease to environmental variables, we studied the nutritional status of the plant, the soil class and fertility, the climatic variables and attempted to verify the set of proteins and their isoforms expressed in diseased palms showing FY symptoms and healthy palms. FY occurred under constant rain and in clay soils; consequently, the roots of these palm trees suffered anoxia, which caused nutritional problems and the accumulation of stress-related proteins. Under these conditions, the usually observed symptom was yellowing, which can lead to the death of the plant, giving the disease its name. In other words, the symptomatic picture is not associated with only a biotic cause. Thus, a pedological survey of the area, planting in soils not subject to waterlogging or with good drainage conditions, and the correct maintenance of soil fertility and plant nutrition may certainly contribute to the management of and reduction in fatal yellowing without the use of agrochemicals.

scholarly journals PERSEPSI MASYARAKAT TERHADAP PEMANFAATAN TANAMAN AREN (Arenga pinnata Merr) DI DESA SEKABUK KECAMATAN SADANIANG KABAUPATEN MEMPAWAH

2020 ◽  
Vol 8 (1) ◽  
Author(s):  
Paulus Paulus ◽  
Sofyan Zainal ◽  
H A Oramahi
Keyword(s):  
Community Perceptions ◽  
Community Perception ◽  
Palm Trees ◽  
Palm Sugar ◽  
Level Of Knowledge ◽  
High Level ◽  
Relationship Of ◽  
The Village ◽  
The Relationship ◽  
People’S Perceptions

This research is aimed at describing people’s perceptions of utilization sugar palm plants in the village of Sekabuk Sadaniang sub-district, as well as analyzing the relationship of each of the factor of age, knowledge, and income with people’s perceptions of the utilization of palm plants in the village of Sekabuk Saadaniang sub-district. This research uses direct interview technique method with questionnaire tool, determination of respondents carried out by purposive sampling based on slovin formula amounting to 83 respondents, the criteria of respondents in the research are people who live in the village of Sekabuk, people who know about the use of palm trees, at least 15 years old (already married), physically and mentally healthy. Data analysis consisted of community perceptions of the use of palm trees and the relationship between age, knowledge, and income with community perceptions of the use of palm trees in Sekabuk village. Based on the results of data and calculations of the three variables, forage and knowledge categories there is no relationship with community perceptions, while the income category is related to people’s perceptions. The results of the study showed that community perceptions of the utilization of sugar palm plants tended to be positive namely 77 respondents (92,77%), neutral 6 respondents (7,23%), and negative 0 respondents (0,00%). Characteristics of Sekabuk village respondents based on age levels dominated by young and adult levels each of 30 respondents (36,14%). Characteristics of respondents based on the level of knowledge dominated by people with a high level of knowledge of 81 respondents (97,60%), and for the characteristics of respondents based on the level of income dominated with a moderate income level of 65 respondents (79,52%).Keywords: Community perception, Utilization Of Palm Sugar Plants

scholarly journals HUBUNGAN ANTARA DIAMETER BATANG DENGAN UMUR TANAMAN TERHADAP PERTUMBUHAN DAN HASIL TANAMAN KELAPA SAWIT

BUANA SAINS ◽  
2017 ◽  
Vol 17 (1) ◽  
pp. 43 ◽  
Author(s):  
Vika Yudistina ◽  
Mudji Santoso ◽  
Nurul Aini
Keyword(s):  
Oil Palm ◽  
Small Diameter ◽  
Fresh Fruit ◽  
Stem Diameter ◽  
Plant Oil ◽  
Palm Trees ◽  
Plant Maintenance ◽  
Fresh Fruit Bunches ◽  
Relationship Of ◽  
The Relationship

Oil palm is a plant which is quite important commodities in Indonesia and still have a fairly bright development prospects Production of fresh fruit bunches (FFB) is the result of work activities in the field of plant maintenance. The success of FFB production depends by several factors, including environmental factors, the crop factor and factor cultivation purpose of this study was to determine and learn the age and size of the trunk palm trees both in achieving production, and Knowing how the relationship between stem diameter and plant age with results production of fresh fruit bunches (FFB). This study used 75 samples are grouped according to the age of the plant that is 2 years, 4 years, 6 years, 8 years and 10 years. Each sample was observed with 7 parameter pengamatanDari results of this study can be concluded that the larger the diameter of the stem of the plant oil palm as well as the age tanama or rather would affect positively correlated or significantly affected the production of oil palm plantation itself. All variables observation showed positive correlation with stem diameter relationship of age with less plant oil palm plantations. But there was one that did not happen correlation / negative correlations were age first fruit the size of a small diameter This is due to many factors such as rainfall is high enough to some areas or plantations are often flooded by rainwater, farming areas mostly are the tidal rivers, especially in 8 years old plantation blocks and handling of the plantation itself is still lacking.

scholarly journals ONE-TWO PUNCH OF HIGH WAGES AND EMPOWERING PRACTICES FOR MAINTAINING CARE NETWORKS IN NURSING HOMES

2019 ◽  
Vol 3 (Supplement_1) ◽  
pp. S559-S560
Author(s):  
Katherine Kennedy ◽  
John R Bowblis ◽  
Katherine M Abbott
Keyword(s):  
Retention Rate ◽  
Retention Rates ◽  
Nursing Assistant ◽  
Certified Nursing Assistant ◽  
Facility Level ◽  
High Level ◽  
Relationship Of ◽  
The Relationship ◽  
Linear Regressions

Abstract Stabilizing certified nursing assistant (CNA) employment is necessary for maintaining care networks and providing high quality of care for nursing home (NH) residents. This study’s objective was to examine the relationship of high wages and empowerment practices on CNA retention. We used the 2015 Ohio Biennial Survey to construct a facility-level dataset of 547 NHs and estimated multivariable linear regressions. NHs that provided both high wages and high empowerment were associated with a 12.95 percentage-point improvement in the CNA retention rate (SE = 4.53, t-value = 2.86, p = 0.0045). High wages and a high empowerment score did not have significant effects individually (p > .05). Retention rates were similar between NHs that lacked high wages and scored low on the empowerment scale, and NHs that provided one at a high level but not the other. Implications for better retaining CNAs require multiple empowerment practices combined with high hourly wages.

scholarly journals Interaction Between Oryctes Rhinoceros and Leaves’ Nutrient Content in Oil Palm

2018 ◽  
Vol 8 ◽  
pp. 1408-1414
Author(s):  
Mohd Rasdi Zaini ◽  
Nurul Farahana Hazira Hazlee ◽  
Fathul Nabila Abdul Karim
Keyword(s):  
Oil Palm ◽  
Negative Relationship ◽  
Nutrient Status ◽  
Nutrient Content ◽  
Oryctes Rhinoceros ◽  
Leaf Analysis ◽  
Palm Trees ◽  
Strong Positive Relationship ◽  
Nutrients Uptake ◽  
The Relationship

A study meant to evaluate the relationship between the presence of Oryctes rhinoceros to the oil palm in relation to the leaves’ nutrient content which is Phosphorus (P) and Potassium (K). Appropriate fertilization is one of the methods that can help to suppress the pests’ presence in the field. In general, insects’ pests are attracted to the plants that are supplied with excess supply of nutrient as it can help them to develop better in future as these nutrient play their roles in aiding through growths and insects’ fecundity. Data on nutrient status were collected were Phosphorus (P), Potassium (K), Calcium (Ca), Magnesium (Mg), Copper (Cu) and Zinc (Zn). These data had been collected twice per month which were at the middle and at the end of each month. Four samples of leaves were taken from four sampling oil palm trees of each treatment. Leaves from ninth or seventeenth fronds were chosen as it is the best most ideal fronds to be used for leaf analysis to identify the nutrient content. The result of this study showed that Phosphorus (P) exerted a strong positive relationship with the presence of Oryctes rhinoceros in the oil palm while Potassium (K) showed a strong negative relationship between the two variables. Thus, developing awareness to the growers to this nutrients-balancing issue would be good for future agriculture in future as it is clear now that balanced nutrition is primordial to ensure availability of nutrients uptake by plants.

scholarly journals Multi-section coupling device for aggregation of modern seeding machines

2021 ◽  
Vol 1 (25) ◽  
pp. 140-149
Author(s):  
G.G. Parkhomenko ◽  
◽  
S.I. Kambulov ◽  
I.V. Bozhko ◽  
◽  
...  
Keyword(s):  
Technological Process ◽  
Rational Design ◽  
Climatic Conditions ◽  
Design Parameters ◽  
Coupling Device ◽  
Rational Design Parameters ◽  
High Level ◽  
Relationship Of ◽  
The Relationship

Choosing rational design parameters of the coupling device for multi-section aggregation of seeders, it is possible to ensure full loading of the power unit while maintaining quality indicators of the technological process at a sufficiently high level. Foreign aggregates are not suitable for use in the Russian Federation due to the different soil and climatic conditions. Purpose of the study: to develop an effective device for multi-section aggregation suitable for domestic modern seeding machines. Subject of the research: the relationship of design parameters and modes of operation of the device for multi-section aggregation of seeders with indicators of the technological process of sowing. A monographic survey of known structures has been carried out, a device for multi-section aggregation of seeding machines has been substantiated by the design and construction method, indicators of the technological process of sowing have been experimentally obtained. The developed coupling device for multi-section aggregation consists of a central frame resting on the wheels and articulated side sections: left and right, which fold when transporting the seeding unit. The total working width of the seeding unit is up to 12.5 meters. According to the research results, the quality of the technological process by the seeding devices meets the regulatory requirements. The instability of the total seeding (0.6–1.1 % for barley and 0.4–0.7 % for wheat) is within the tolerance (up to 3 percent); uneven seeding between devices 3.9–4.2 percent (barley) and 2.6–4.2 percent (wheat) corresponds to the norm (up to 5 percent). The number of seeds embedded at a predetermined depth of the soil corresponds to the required (not less than 80 percent) and was 81.8–83.9 percent for barley and 80.1–83.3 percent for wheat. Not embedded seeds were found in the soil.

scholarly journals (278) Genetic Variability and Relationship of Caladium Cultivars As Revealed with Molecular Markers

HortScience ◽  
2006 ◽  
Vol 41 (4) ◽  
pp. 1036D-1037
Author(s):  
Zhanao Deng ◽  
Jinguo Hu ◽  
Fahrettin Goktepe ◽  
Brady A. Vick ◽  
Brent K. Harbaugh
Keyword(s):  
Genetic Variability ◽  
Clustering Analysis ◽  
Fragment Length Polymorphism ◽  
Target Region ◽  
The Past ◽  
Future Improvement ◽  
Dna Restriction ◽  
High Level ◽  
Relationship Of ◽  
The Relationship

Cultivated caladiums are valued for their bright colorful leaves and are widely used in containers and landscapes. More than 1500 named cultivars have been introduced during the past 150 years, yet currently only about 100 cultivars are in commercial propagation in Florida. Caladium tubers produced in Florida account for 95% of the world supplies. Loss of caladium germplasm or genetic diversity has been a concern to future improvement of this plant. In addition, the relationship among the available cultivars, particularly those of close resemblance, has been lacking. This study was conducted to assess the genetic variability and relationship in commercial cultivars and species accessions. Fifty-seven major cultivars and 15 caladium species accessions were analyzed using the target region amplification polymorphism marker technique. This marker system does not involve DNA restriction or adaptor linking, but shares the same high throughput and reliability with the amplified fragment length polymorphism system (AFLP). Eight primer combinations amplified 379 scorable DNA fragments among the caladium samples. A high level of polymorphism was detected among the species accessions as well as among cultivars. These markers allowed differentiation of all the cultivars tested, including those hardly distinguishable morphologically. Clustering analysis based on these DNA fingerprints separated the cultivars into five clusters and Caladium lindenii far from other caladium species. The availability of this information will be very valuable for identifying and maintaining the core germplasm resources and will aid in selecting breeding parents for further improvement.

scholarly journals Cell Proliferation and Cortical Cell Production in Relation to Wool Growth

1979 ◽  
Vol 32 (3) ◽  
pp. 317 ◽  
Author(s):  
Patricia A Wilson ◽  
BF Short
Keyword(s):  
Cell Proliferation ◽  
Nutrient Intake ◽  
Cortical Cell ◽  
Cortical Cells ◽  
Wool Growth ◽  
Wide Range ◽  
High Level ◽  
Relationship Of ◽  
The Relationship ◽  
Germinal Cells

The relationship of wool growth to cell proliferation in the follicle bulb and to the subsequent migration and growth of the fibre cortical cells was investigated in 10 Peppin Merino sheep. These sheep had been maintained on a low, medium or high level of nutrient intake to ensure a wide range in wool growth. The number and mitotic activity of the germinal cells in the follicle bulb were determined after administration of colchicine. Cortical cell size was measured following isolation of the fibre cells by acid-treatment of wool.

IT Project Communication

2019 ◽  
Vol 10 (3) ◽  
pp. 56-72
Author(s):  
Jo Ann Starkweather Bigbee ◽  
Deborah H. Stevenson
Keyword(s):  
Project Success ◽  
Attribute Importance ◽  
Project Duration ◽  
It Project ◽  
Project Management Professionals ◽  
Strong Correlate ◽  
Nature Of Information ◽  
High Level ◽  
Relationship Of ◽  
The Relationship

The critical nature of information flow as a precursor to project success has been affirmed by both scholars and project management professionals. The data analyzed in this study represent the perceptions of 91 IT project professionals regarding the importance of 18 different aspects of project communication to project success. The relationship of these data vis-a-vis project manager demographics and project/organizational characteristics is explored. Despite a relatively high level of agreement across the respondents regarding which communications are perceived critical to project success, there are clear project and stakeholder circumstances that warrant consideration. The data reveal both statistical and practical dimensions of communication that attribute importance to project success differently for internal as compared to external communication. Furthermore, the emergence of average project duration as a consistently strong correlate of perceived importance of communication to project success is an area of research deserving greater attention.

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