Establishment of a plastochron index for growth assessment of Phalaenopsis

2005 ◽  
Vol 83 (1) ◽  
pp. 47-53 ◽  
Author(s):  
Jung-Kang Jin ◽  
Hui-Ling Chen ◽  
Chih-Wen Yu ◽  
Chin-Ho Lin
Keyword(s):  
Linear Regression Analysis ◽  
Leaf Length ◽  
Exponential Phase ◽  
The Other ◽  
P Value ◽  
Relative Growth ◽  
Phalaenopsis Aphrodite ◽  
Plastochron Index ◽  
Growth Assessment ◽  
Slow Growing

A plastochron index was established for four commercial cultivars of Phalaenopsis: Phalaenopsis 'Taisuco Carol' × (Doritaenopsis 'New Cinderella' × P. 'Isaribi') (Taiwan Sugar Corp., code No. S88-41); Phalaenopsis 'Taisuco Swan' × (P. 'Casablanca Dream' × (P. 'Hohoemi' × P. 'Grace Palm')) (code No. S88-89); Doritaenopsis 'I-Hsin Dreamer' × Phalaenopsis 'Taisuco Harmonylip' (code No. S88-104), and Phalaenopsis aphrodite. The plastochron was based on a 20-mm reference leaf length. Semilogarithmical plots of ln-transformed leaf lengths versus time and linear regression analysis were used to evaluate three criteria of the plastochron index. The results showed that leaves 3–9 of Phalaenopsis aphrodite and leaves 3–8 of the other cultivars grow exponentially (r2 values between 0.90 and 0.97). Therefore, leaves that fulfilled all three criteria for the plastochron index were leaves 3–5 of No. S88-41, leaves 3–4 of No. S88-89, leaves 5–6 of No. S88-104, and leaves 4–5 of Phalaenopsis aphrodite. However the plastochron index can not be used for the slow-growing Phalaenopsis, because two successive leaves could not be measured simultaneously during the exponential phase of leaf development. The average relative growth rate of 0.43 mm/week for Phalaenopsis aphrodite was significantly lower than that of the other three cultivars (0.52 mm/week); plastochron duration also showed significant variation among the four cultivars (P value = 0.0269). In addition, the linear relationship (r2 = 0.97–0.99) of the plastochron index plotted versus time indicates that the intervals between initiation of successive leaves was equal for each of four cultivars. Thus, for these cultivars of Phalaenopsis, leaves that emerge before the reproductive phase can not be fully assessed by the plastochron index.Key words: plastochron index, Phalaenopsis.

PENGARUH KUALITAS PRODUK DAN RELIGIUSITAS TERHADAP KEPUTUSAN NASABAH PRODUK SIMPANAN PADA BSM CABANG PURWOKERTO

2017 ◽  
Vol 4 (1) ◽  
pp. 189-215
Author(s):  
Yoiz Shofwa Shafrani
Keyword(s):  
Regression Analysis ◽  
Product Quality ◽  
Linear Regression Analysis ◽  
Multiple Linear Regression Analysis ◽  
Analytical Tool ◽  
The Other ◽  
Financial Assets ◽  
Islamic Bank

Perkembangan dunia perbankan syariah tidak lepas dari peran para nasabah yang memberikan kepercayaan terhadap pihak perbankan untuk penyimpanan asset keuangannya. Faktanya banyak kelompok nasabah yang memutuskan untuk menjadi nasabah di perbankan syariah karena faktor religiusitasnya. Faktor lain yang dapat ikut mempengaruhi keputusan nasabah adalah kualitas produk. Di mana kualitas produk merupakan karakteristik yang melekat dari suatu produk. Kemungkinan yang terjadi bahwa kebanyakan nasabah pada perbankan syariah juga masih merupakan nasabah perbankan konvensional.Tujuan yang ingin dicapai dalam penelitian ini adalah untuk mengetahui pengaruh kualitas produk dan tingkat religiusitas nasabah terhadap keputusan nasabah untuk menyimpan dananya atau tidak di BSM Cabang Purwokerto. Alat analisis yang digunakan adalah analisis regresi linier berganda, dengan jumlah sampel 100 nasabah. Diperoleh hasil Y = 5,046 + 0,101X1 + 0,218X2. Berdasarkan uji F yang sudah dilakukan maka dapat diketahui bahwa variabel kualitas produk dan religiusitas secara bersama – sama berpengaruh terhadap keputusan nasabah untuk menyimpan dananya di BSM Cabang Purwokerto. Berdasarkan uji t yang sudah dilakukan dapat diketahui bahwa secara partial baik variabel kualitas produk maupun variabel religiusitas berpengaruh terhadap keputusan nasabah untuk menyimpan dananya di BSM Cabang Purwokerto. The progress of the Islamic bank cannot be separated from the role of its customers who give trust to the bank to deposit their financial assets. It is a fact many groups of customers decide to be the customers of the Islamic bank because of their religiosity. The other influences factor of a customer’s decision is the quality of the product. The aim of this research was to determine the effect of product quality and level of customers’ religiosity towards customers’ decision whether to keep their funds in Syariah Mandiri Bank, Branch of Purwokerto, or not. The analytical tool used was multiple linear regression analysis, with a sample of 100 customers. The results indicate Y = 5,046 + 0,101X1 + 0,218X2. Based on F, it can be seen that both variables of product quality and religiosity simultanously affect the customers’ decision to keep theirfunds in BSM Branch of Purwokerto. Based on t test, it can be seen that independently, either variable of product quality or variables of religiosityinfluences the customers’ decision to keep their funds in BSM Branch of Purwokerto.

Pengaruh Financial Leverage terhadap Financial Performance pada Sektor Industri Manufaktur yang Terdaftar di Bursa Efek Indonesia (BEI) Periode 2015

2018 ◽  
Vol 9 (2) ◽  
pp. 33-48
Author(s):  
Rivaldy Februansyah ◽  
Ika Yanuarti
Keyword(s):  
Financial Performance ◽  
Manufacturing Sector ◽  
Linear Regression Analysis ◽  
The Other ◽  
Debt Ratio ◽  
Financial Leverage ◽  
Coverage Ratio ◽  
Equity Ratio ◽  
Internal Fund

The manufacturing sector is one of the most dominant economic sectors in in achieving growth and development in Indonesia. It needs adequate fund to develop its business. The sources of fund are from internal and external. The firm usually optimized the usage of internal fund prior to external fund. The internal fund comes from equity while the external funds are from debt and stock. Debt is also known as financial leverage. There is a phenomenon that the usage of debt increased the firm’s financial performance, since interest on debt could lower the payment of tax (tax shield). On the other side, the higher the financial leverage the higher the risk of bankruptcy. This research aims to analyze whether financial leverage has an influence on financial performance in the manufacturing sector listed on the Indonesia Stock Exchange (IDX) period 2015. The method of analysis used in this research is multiple linear regression analysis. This research uses quantitative approach with a sample of 140 listed companies in the manufacturing industry. The firm’s financial performance could be measured by the financial ratios. Financial Leverage ratios are ratios that measure the ability of firm’s to meet its financial obligation and the level of usage debt as compared to equity. There are several financial leverage ratios that used in this research, such as Debt Ratio (DR), Debt to Equity Ratio (DER), Interest Coverage Ratio (ICR), and Long Term Debt Ratio (LTDR). Financial performance indicates the ability of firm to generate profit and measured by Profitability Ratio. Return on Asset (ROA) is one of the Profitability Ratio. The statistical result shows that Debt Ratio (DR) negatively affect Return on Asset (ROA) and Interest Coverage Ratio (ICR) positively affect Return on Asset (ROA). Meanwhile, Debt to Equity Ratio (DER) and Long Term Debt Ratio (LTDR) did not affect Return on Asset (ROA). On the other hand, result shows that Debt Ratio (DR), Debt to Equity Ratio (DER), Interest Coverage Ratio (ICR), and Long Term Debt Ratio (LTDR) affect Return on Asset (ROA) simultaneously. Keywords: Financial Leverage, Debt Ratio (DR), Debt to Equity Ratio (DER), Interest Coverage Ratio (ICR), Long Term Debt Ratio (LTDR), Financial Performance, Return on Assets (ROA)

CHANGES IN ENZYMES AND PROTEINS IN SALT-SHOCKED VS. GRADIENT INCREASES IN NACL IN `POINSETT' CUCUMBER ROOTS

HortScience ◽  
1990 ◽  
Vol 25 (9) ◽  
pp. 1091G-1091
Author(s):  
Anne K. Hurley ◽  
B. Greg Cobb
Keyword(s):  
Invertase Activity ◽  
Shock Treatment ◽  
Cucumis Sativus L ◽  
Relative Growth ◽  
Relative Growth Rates ◽  
Salt Shock ◽  
Gradient Solution ◽  
Cucumber Roots ◽  
Average Plant ◽  
Plastochron Index

Cucumis sativus, L., `Poinsett' seedlings were grown under artificial light in 40% modified Hoagland's solution until an average plant plastochron index of 4.73 was reached. Plants were then placed in solutions of (1) 0 mM NaCl, (2) 80 mM NaCl (salt-shock), or (3) placed in a dropwise gradient solution of NaCl and Hoagland's until the final concentration of 80 mM NaCl was reached at 41 hours. Leaves of the 80 mM shock treatment wilted immediately, but recovered turgor within 6 hours. Leaves of 80 mM gradient did not wilt at anytime. The control and gradient treatments had relative growth rates which were similar to each other, but RGR decreased in the shock treatment. Invertase activity was measured in the roots at 24, 41, and 48 hours after initial treatment. Invertase activity of shock treatment increased significantly over the controls at 24 hours. The 80mM gradient was not significantly different than either treatment. Four isozymes of α– galactosidase were detected. The relative intensities of the bands varied with time and treatment. One invertase band was resolved in roots on 8% native acrylamide gels. SDS gels indicated increases in proteins in the gradient treatment compared to the control and the 80 mM shock treatment.

scholarly journals The ameliorative effect of selenium on Azolla caroliniana grown under UV-B stress

2015 ◽  
Vol 95 (1) ◽  
pp. 20-26 ◽  
Author(s):  
E.M. Mostafa ◽  
A.M.A. Hassan
Keyword(s):  
Growth Rate ◽  
Protein Content ◽  
Doubling Time ◽  
The Other ◽  
Total Glutathione ◽  
Nutrient Media ◽  
Relative Growth ◽  
Other Hand ◽  
Ameliorative Effect ◽  
Glutathione Redox

Exposure ofAzollaplants to UV-B radiation for 6 h resulted in a decrease in biomass and relative growth rate (RGR), which coincided with an increase in doubling time (DT) as compared with the control. Also, the protein content decreased. On the other hand, hydrogen peroxyde (H2O2) and malondialdehyde (MDA) accumulated significantly in UV-treatedAzollaplants. Conversely, the addition of selenium (Se) at 1 ppm resulted in a significant increase in biomass and protein content of untreated and UV-treatedAzollaplants, and a significant reduction in both H2O2and MDA. Moreover, the addition of Se to UV-treated and untreatedAzollaplants resulted in a significant increase in total ascorbate and total glutathione (GSH) contents compared with the control and UV-stressedAzollaplants. Also, glutathione redox potential (GSH/TG) increased significantly in UV-treatedAzollaplants in the presence of Se. There also was a significant increase (38%) in ascorbate peroxidase (APX) activity in UV-treated plants compared with the control. APX activity in the presence of Se did not change significantly compared with the control. Glutathione reductase (GR) activity increased significantly in UV-treatedAzolla, while glutathione peroxidase (GSH-PX) activity did not. On the other hand, both GSH-PX and GR activity in untreated and UV-treatedAzollaplants were significantly enhanced by the application of Se to the nutrient media at a concentration of 1 ppm. Therefore, we can conclude that Se protectsAzollaplants from UV-B stress.

Sintering Temperature Effect on Hardness of Self-Synthetisized Porcelain Made from Natural Sumatran Sand without Kaolin

2018 ◽  
Vol 782 ◽  
pp. 227-232
Author(s):  
Sianny Surya Putri Kurnia ◽  
Dede Taufik ◽  
Veni Takarini ◽  
Zulia Hasratiningsih
Keyword(s):  
Temperature Effect ◽  
Potassium Salt ◽  
Sintering Temperature ◽  
The Self ◽  
The Other ◽  
P Value ◽  
Natural Sand ◽  
Average Hardness ◽  
Different Temperatures ◽  
Statistic Result

Dental porcelain is one of the indirect restoration material with excellent aesthetic properties,on the other hand porcelain hardness frequently causing excessive wear of antagonist teeth. This study aiming to evaluate the effect of sintering temperature on the self-synthesized porcelain hardness. In this experiment, 25 porcelain samples were synthesized using Sumatran sand from Pangaribuan and Belitung regions, with the composition of 65 wt% Pangaribuan feldspar, 25 wt% Belitung silica and 10 wt% potassium salt. The samples were sintered in five different temperatures, which were 1110°C (A), 1120°C (B), 1130°C (C), 1140°C (D), and 1150°C (E). These samples were then invested on 5cm diameter resin each. The hardness was tested using Zwick Roell ZHμ Micro Vickers with 900 gram load for 15 seconds in 5 different indented areas for each sample. The result shows average hardness of 435.8 VHN (A), 461.0 VHN (B), 472.0 VHN (C), 487.6 VHN (D), and 528.7 VHN (E), which were increasing as the sintering temperature increased. Statistic result shows that sintering temperature significantly affected the hardness value of the porcelain (p value < 0.05). In conclusion sintering temperature affects the hardness of self-synthesized porcelain made from Sumatran natural sand without kaolin, although the average hardness of self-synthesized porcelain is still higher than average hardness of teeth enamel.

DISTRIBUTIONAL ANALYSIS OF RELATED SYNSETS IN WordNet FOR A WORD SENSE DISAMBIGUATION TASK

2005 ◽  
Vol 14 (06) ◽  
pp. 919-934 ◽  
Author(s):  
KOSTAS FRAGOS ◽  
YANIS MAISTROS
Keyword(s):  
Target Word ◽  
Goodness Of Fit ◽  
Hypothesis Test ◽  
Word Sense Disambiguation ◽  
The Other ◽  
Reasonable Assumption ◽  
P Value ◽  
Word Sense ◽  
Chi Square ◽  
Sense Disambiguation

This work presents a new method for an unsupervised word sense disambiguation task using WordNet semantic relations. In this method we expand the context of a word being disambiguated with related synsets from the available WordNet relations and study within this set the distribution of the related synset that correspond to each sense of the target word. A single sample Pearson-Chi-Square goodness-of-fit hypothesis test is used to determine whether the null hypothesis of a composite normality PDF is a reasonable assumption for a set of related synsets corresponding to a sense. The calculated p-value from this test is a critical value for deciding the correct sense. The target word is assigned the sense, the related synsets of which are distributed more "abnormally" relative to the other sets of the other senses. Our algorithm is evaluated on English lexical sample data from the Senseval-2 word sense disambiguation competition. Three WordNet relations, antonymy, hyponymy and hypernymy give a distributional set of related synsets for the context that was proved quite a good word sense discriminator, achieving comparable results with the system obtained the better results among the other competing participants.

scholarly journals ASSOCIATION OF ACID-BASE PARAMETERS WITH LACTATE LEVEL IN CRITICALLY ILL PATIENTS WITH METABOLIC ACIDOSIS

2018 ◽  
Vol 24 (2) ◽  
pp. 141
Author(s):  
Donaliazarti Donaliazarti ◽  
Rismawati Yaswir ◽  
Hanifah Maani ◽  
Efrida Efrida
Keyword(s):  
Metabolic Acidosis ◽  
Critically Ill ◽  
Critically Ill Patients ◽  
Lactate Level ◽  
Linear Regression Analysis ◽  
P Value ◽  
Acid Base Balance ◽  
Acid Base ◽  
Base Parameters ◽  
Base Balance

Metabolic acidosis is prevalent among critically ill patients and the common cause of metabolic acidosis in ICU is lactic acidosis. However, not all ICUs can provide lactate measurement. The traditional method that uses Henderson-Hasselbach equation (completed with BE and AG) and alternative method consisting of Stewart and its modification (BDEgap and SIG), are acid-base balance parameters commonly used by clinicians to determine metabolic acidosis in critically ill patients. The objective of this study was to discover the association between acid-base parameters (BE, AGobserved, AGcalculated, SIG, BDEgap) with lactate level in critically ill patients with metabolic acidosis. This was an analytical study with a cross-sectional design. Eighty-four critically ill patients hospitalized in the ICU department Dr. M. Djamil Padang Hospital were recruited in this study from January to September 2016. Blood gas analysis and lactate measurement were performed by potentiometric and amperometric method while electrolytes and albumin measurement were done by ISE and colorimetric method (BCG). Linear regression analysis was used to evaluate the association between acid-base parameters with lactate level based on p-value less than 0.05. Fourty five (54%) were females and thirty-nine (46%) were males with participant’s ages ranged from 18 to 81 years old. Postoperative was the most reason for ICU admission (88%). Linear regression analysis showed that p-value for BE, AGobserved, AGcalculated, SIG and BDEgap were 119; 0.967; 0.001; 0.001; 0.689, respectively. Acid-base balance parameters which were mostly associated with lactate level in critically ill patients with metabolic acidosis were AGcalculated and SIG. 

scholarly journals Analisis Hubungan Sikap dan Pengetahuan Keluarga dengan Penerapan Program Indonesia Sehat dengan Pendekatan Keluarga

2020 ◽  
Vol 5 (1) ◽  
pp. 13
Author(s):  
Ifon Driposwana Putra ◽  
Ulfa Hasana
Keyword(s):  
Public Health ◽  
The Other ◽  
Bivariate Analysis ◽  
P Value ◽  
Cross Sectional ◽  
Family Approach ◽  
Low Degree ◽  
The Government ◽  
The Relationship ◽  
Improve Health

<p><em>The government has proclaimed Healthy Indonesia Program with Family Approach (PIS-PK), aiming to improve health level of its people; howeverthe implementation is far from satisfying and not equally distributed so that there is still a low degree of public health. This study aims to analyze the relationship between attitudes and family knowledge with the adoption of the Healthy Indonesia Program with a family approach in Pekanbaru. The type of research is descriptive correlation with cross sectional approach. The sample in this study was 100 families. The result of bivariate analysis showed that there was a significant correlation between family’s attitudes toward PIS-PK, with p value of 0.018. On the other hand, it also showed that there was no significant correlation between family’s knowledge toward PIS-PK, with p value only 0.159. It is hoped that this study can be used as leaning materials, references for health officers, as well as suggestions regarding the implementation of PIS-PK</em></p><p><em><em>Pemerintah telah membuat Program Indonesia Sehat melalui penedekatan keluarga (PIS-PK) dengan tujuan agar meningkatnya derajat kesehatan masyarakat, namun dalam penerapannya masih belum maksimal dan merata sehingga masih terdapat derajat kesehatan masyarakat yang masih rendah. Penelitian ini bertujuan untuk menganalisis hubungan sikap dan pengetahuan keluarga dengan penerapan Program Indonesia Sehat dengan pendekatan keluarga di Pekanbaru. Jenis penelitian desktiptif korelasi dengan pendekatan cross sectional. Sampel dalam penelitian ini adalah 100 Keluarga. Hasil analisis bivariat didapatkan bahwa ada hubungan yang signifikan antara sikap keluarga dengan penerapan PIS-PKmdengan p value adalah 0,018. Didapatkan juga bahwa tidak ada hubungan yang signifikan antara pengetahuan keluarga dengan penerapan PIS-PK dengan nilai p value adalah 0,159. Hasil penelitian ini dapat dijadikan bahan ajar dan menjadi acuan oleh petugas kesehatan serta menjadi masukan untuk dalam penerapan PIS-PK</em></em></p>

scholarly journals The Effect of Pre Order Online Sales to Company Profits on PT. Aventama Hervent Solusindo Bandung

2020 ◽  
Vol 1 (3) ◽  
pp. 88-92
Author(s):  
Tiris Sudrartono
Keyword(s):  
Regression Analysis ◽  
Linear Regression ◽  
Linear Regression Analysis ◽  
Electronic Devices ◽  
Production Costs ◽  
The Other ◽  
The Internet ◽  
Simple Linear Regression ◽  
Online Sales ◽  
Internet Network

This research aims to find out how online pre order sales and profit earning on PT Aventama, also how big is the effect of pre order online sales towards the profit on PT Aventama, and to get to know about what are the efforts that could be able to do for increase the company profits through online pre order sales. Theory that supports in this research was revealed by Oki Pamungkas, 2018 who said that online sales is  conducting sales activities from looking for potential buyers to offering products or goods by utilizing the internet network that is supported by a set of electronic devices as a link to the internet network, while Toto Prihadi 2012 said that profit is a measure of company's performance obtained from the results of reduction results of sales minus production costs. From conducted research, it can be obtained of the results of online pre order sales and company profits on PT Aventama, it's obtained results of 77.2% for online pre order sales and 35.7% for the profits and are categorized well. Then the correlation test is used for find out about the effect of online pre order sales with the results obtained at 84%, this value can be interpreted that the effect of online pre order sales to profits is very strong, while the other 16% is effected by other factors that it’s not examined by the author. Based on a simple linear regression analysis obtained Y '= 3.307 + 0.420X it means every online pre order sale is improved, it will be followed by an improve in company profit of 0.420 at a constant 3.037. With this research, it's expected that there will be a change in the company's profit through increasing online pre-order sales by creating advertisements, providing more complete ready stock products, and adding new suppliers so that the ordering process of products is faster to consumers

scholarly journals Pengelolaan Sampah Berbasis Masyarakat di Kampung Rawajati Jakarta Selatan

2008 ◽  
Vol 3 (1) ◽  
pp. 9
Author(s):  
Catur Puspawati ◽  
Besral Besral
Keyword(s):  
Waste Management ◽  
Solid Waste ◽  
Management System ◽  
Family Income ◽  
Solid Waste Management ◽  
Linear Regression Analysis ◽  
Household Waste ◽  
P Value ◽  
Community Based ◽  
Waste Management System

Kampung Rawajati di Jakarta yang menerapkan sistem pengelolaan sampah berbasis masyarakat merupakan alternatif upaya mengatasi sampah rumah tangga. Penelitian ini bertujuan mengetahui pengaruh sistem tersebut terhadap penurunan berat sampah rumah tangga. Dengan desain studi potong lintang, penelitian ini dilakukan pada sampel 175 ibu rumah tangga yang dipilih secara acak. Hasil penelitian ini menunjukan bahwa pengelolaan sampah berbasis masyarakat dapat menurunkan berat sampah sebesar 28,3%. Analisis regresi linier ganda memperlihatkan bahwa kegiatan pengelolaan yang berpengaruh terhadap penurunan berat sampah adalah kegiatan reuse, daur ulang, dan pembuatan kompos (nilai-p < 0,05). Pembuatan kompos merupakan variabel yang berkontribusi terhadap penurunan berat sampah 657,3 gram setelah dikontrol variabel perancu. Penurunan berat sampah ditemukan lebih besar pada rumah tangga yang mendapat pelatihan. Tidak ada perbedaan penurunan berat sampah menurut jumlah anggota keluarga, penghasilan rumah tangga, dan pengetahuan ibu. Disarankan agar Pemerintah DKI Jakarta dapat melakukan replikasi model pengelolaan sampah berbasis masyarakat kepada wilayah lainnya, dengan memberikan pelatihan pengelolaan sampah kepada masyarakat.Kata kunci : Pengelolaan sampah berbasis masyarakat, berat sampah, pengolahan dan minimasi sampahAbstractKampung Rawajati in Jakarta applies community-based solid waste management system as an alternative way to overcome household waste problem. The objective of the research is to assess the effect of community-based solid waste management on reduction of household waste weight. This study has crosssectional study design and was conducted on 175 housewife as respondent who were selected randomly. The data was collected by interview using structured questionnaire and weighing of household waste. The result shows that the community-based solid waste management can reduce 28.3% of household waste weight (weight before: 1.845 gram/house/day and after: 1.324 gram/house/day). Multiple linear regression analysis shows that variables affecting thereduction of solid waste including re-using activity, recycling, and composting (p-value <0.05). Composting represents the biggest effect to reduction (657.26 gram) after controlled by potential confounders. The reduction was higher among household with waste training and number of trained household member. It was found that number of family member, family income, and mother knowledge are not significant. It was recommended to the Government of DKI Jakarta to replicate this community-based waste management system to other regions by providing training facilities on solid waste management.Keywords: Community-based on solid waste management, waste weight, processing and minimizing of solid waste

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