scholarly journals Kelimpahan Populasi dan Tingkat Parasitisasi Parasitoid Indigenus terhadap Hama Invasif Liriomyza trifolii (Burgess) (Diptera: Agromyzidae) pada Tanaman Asteraceae di Bali

2020 ◽  
Vol 10 (1) ◽  
pp. 59
Author(s):  
I WAYAN SANDIKA YASA ◽  
I WAYAN SUPARTHA ◽  
I WAYAN SUSILA
Keyword(s):  
Helianthus Annuus ◽  
Survey Method ◽  
Liriomyza Trifolii ◽  
Population Abundance ◽  
Gerbera Jamesonii ◽  
Parasitization Rate

Population Abundance and Parasitization Level of Indigenous Parasites to Invasive Liriomyza trifolii (Burgess) (Diptera: Agromyzidae) on Asteraceae Plants in Bali. This study was aimed to determine the population abundance and parasitization level of indigenous parasitoid associated with Liriomyza trifolii (Burgess) in Asteraceae plants in Bali. The study was conducted from January to March 2019 by survey method on the type of parasitoid, abundance and parasitisation level  in  Asteraceae  plants  which  included  to  Chrysanthemum,  Gerbera  jamesonii  and Helianthus annuus, which are spread in several regencies in Bali such as Buleleng (1200 m asl), Bangli (900-1000 m asl) and Denpasar (40 m asl). Sampling was done purposively on the leaves of plants attacked by Liriomyza sp. and then maintained at the Laboratory until the parasitoid adults appeared. Afterward, morphologically was identified the type of parasitoid that appears. The results showed that there were three types of indigenous parasitoid associated with L. trifolii namely Hemiptarsenus varicornis, Neochrysocharis okazakii, and Opiusdissitus. The most dominant parasitoid of the three types of H. varicornis parasitoid with an abundance of 78.57% and parasitization rate of 53.23% was found in Chrysanthemum plants.

scholarly journals Overcoming the challenges of measuring the abundance of a cryptic macropod: is a qualitative approach good enough?

2014 ◽  
Vol 41 (1) ◽  
pp. 84 ◽  
Author(s):  
Karlene Bain ◽  
Adrian Wayne ◽  
Roberta Bencini
Keyword(s):  
Population Size ◽  
Relative Abundance ◽  
Spatial Scales ◽  
Faecal Pellet ◽  
Survey Method ◽  
Population Abundance ◽  
Mark Recapture ◽  
Survey Technique ◽  
Threatened Taxa ◽  
Activity Indices

Context An understanding of population size and status is necessary for the implementation of appropriate conservation measures to recover threatened taxa. Mark–recapture studies at large spatial scales are impractical and expensive and a rapid survey technique is an attractive option to provide a measure of relative abundance for cryptic species, using indicators of activity. Aims The aim of our study was to use conventional methods for population estimation to calibrate a rapid survey technique for the quokka (Setonix brachyurus) in the southern forests of Western Australia, with a view to providing quantitative outcomes from this widely adopted monitoring approach. Methods We evaluated the accuracy of relative abundances obtained from the rapid survey technique by comparing them with abundance estimates obtained through established methods for the estimation of populations, including web-based mark–recapture and transect-based counts of activity indicators and sightings. Key results The rapid survey technique was effective at determining presence of quokkas but resulted in an over-estimation of population size because of inaccurate assumptions about occupancy and relative abundance of animals. An alternative survey method based on counts of fresh faecal-pellet groups was found to provide a more reliable and practical estimation of population abundance (R2 = 0.97). Conclusions Activity indices can be used to quantify population abundance, but only for indicators of activity that can be detected readily and for which freshness of activity can be determined. Implications Our findings suggest that a rapid survey based on activity indices can be used to evaluate quantitatively the population size of a species that is rare and potentially mobile at a landscape scale. The attraction of these techniques is that they provide a rapid and inexpensive survey option that is potentially applicable to any cryptic and/or threatened species and is practical for resource-constrained land managers.

scholarly journals Nonpreference Among Gerbera Cultivars by the Leafminer Liriomyza trifolii (Agromyzidae: Diptera)

2013 ◽  
Vol 31 (3) ◽  
pp. 183-188
Author(s):  
C.M. Abraham ◽  
S. K. Braman ◽  
R. D. Oetting ◽  
P. A. Thomas
Keyword(s):  
Biological Control ◽  
Pest Management ◽  
Natural Enemy ◽  
Growing Season ◽  
Exposure Period ◽  
Liriomyza Trifolii ◽  
Gerbera Jamesonii ◽  
Cut Flowers ◽  
The World ◽  
Leaf Punctures

The leafminer, Liriomyza trifolii (Burgess) is a key pest of gerbera daisies (Gerbera jamesonii Bolus), which are among the most preferred cut flowers in the world. While insecticides often fail to control this pest, parasitoids have proven to be effective. To maintain the parasitoids in the system, pesticide applications should be avoided. However, the influx of secondary pests like mites, thrips, whiteflies, and aphids during the growing season necessitates chemical sprays, which are effective in controlling the secondary pests, but are often toxic to the natural enemy and hence disrupt biological control. Since chemicals are not easily avoided in this system, an alternative method to avoid leafminers was sought, using host plant resistance, which can be an important component of integrated pest management (IPM) programs. Sixty gerbera cultivars were evaluated for potential resistance to L. trifolii. A range in susceptibility measured as leaf punctures and developing mines was evident for the first five weeks of a six-week exposure period. Gerberas ‘Jaguar Pink’, ‘Jaguar Rose Deep’, ‘Jaguar Salmon Pastel’, and ‘Revolution Spring Pastel’ were the least damaged, exhibiting less than 20% of the highest damage on at least two observation dates. However, consistent exposure to high numbers of leafminers resulted in similar expression of damage among all cultivars after five weeks. Differences among cultivars in force required to puncture leaves could not be consistently associated with damage due to leafminers

Development of a Rapid Survey Method of Sampling and Analysis for Asbestos in Ambient Air

1972 ◽  
Vol 30 ◽  
pp. 630-631 ◽  
Author(s):  
R. E. Heffelfinger ◽  
C. W. Melton ◽  
D. L. Kiefer ◽  
W. M. Henry ◽  
R. J. Thompson
Keyword(s):  
Neutron Activation ◽  
Ambient Air ◽  
Survey Method ◽  
Potential Hazard ◽  
Transmission Microscopy ◽  
Comparative Analyses ◽  
Asbestos Fibers ◽  
Controlled Conditions ◽  
Unequivocal Identification ◽  
Identification And Quantification

A methodology has been developed and demonstrated which is capable of determining total amounts of asbestos fibers and fibrils in air ranging from as low as fractional nanograms per cubic meter (ng/m3) of air to several micrograms/m3. The method involves the collection of samples on an absolute filter and provides an unequivocal identification and quantification of the total asbestos contents including fibrils in the collected samples.The developed method depends on the trituration under controlled conditions to reduce the fibers to fibrils, separation of the asbestos fibrils from other collected air particulates (beneficiation), and the use of transmission microscopy for identification and quantification. Its validity has been tested by comparative analyses by neutron activation techniques. It can supply the data needed to set emissions criteria and to serve as a basis for assessing the potential hazard for asbestos pollution to the populace.

Characteristics of action potentials in Helianthus annuus

1991 ◽  
Vol 83 (4) ◽  
pp. 601-604 ◽  
Author(s):  
Tadeusz Zawadzki ◽  
Eric Davies ◽  
Halina Dziubinska ◽  
Kazimierz Trebacz
Keyword(s):  
Helianthus Annuus ◽  
Action Potentials

Pengaruh Service Delivery System Terhadap Loyalitas Nasabah Penabung Suatu Survey Pada Bank Rakyat Indonesia Cabang Palembang)

2018 ◽  
Vol 16 (2) ◽  
pp. 90
Author(s):  
Rohmial Rohmial
Keyword(s):  
Service Delivery ◽  
Delivery System ◽  
Customer Loyalty ◽  
Simple Random Sampling ◽  
Matrix Analysis ◽  
Survey Method ◽  
Service Delivery System ◽  
Physical Support ◽  
Dependent Variables ◽  
Contact Personnel

The objective of this study are : 1) the application of service delivery system that can be applied by Bank Goveerment in Palembang, 2) the influence of physical support on customers, 3) the influence of contact personnel on loyalty of the customers of Bank Goverment in Palembang, 4) the influence of service delivery system on customer loyalty at Bank Goverment in Palembang. This study is done by survey method so as to describe the response from respondents. The samples are taken by using simple random sampling with 100 respondents. The instruments are observation, quesionares and interview, the data analysis is done by using descriptive and matrix analysis. The results of this research shows that all independent variables (physical support and contact personnel) significantly and positively influence the dependent variables (loyalty of the customers).

Hubungan Antara Anemia dan Kebiasaan Merokok pada Ibu Hamil dengan Kejadian BBLR di Rumah Sakit Umum Pusat Dr. Mohammad Hoesin Palembang Tahun 2016

2018 ◽  
Vol 1 (2) ◽  
pp. 89-94
Author(s):  
Intan Sari
Keyword(s):  
Birth Weight ◽  
Low Birth Weight ◽  
General Hospital ◽  
Smoking Habit ◽  
Complete Information ◽  
Developed Countries ◽  
Statistical Test ◽  
Survey Method ◽  
Bivariate Analysis ◽  
Cross Sectional

Low Birth Weight (LBW) is an infant born with a birth weight of less than 2500 grams regardless of gestation. Birth weight is the weight of the baby weighed in 1 hour after birth. (Depkes RI, 2009). Based on WHO and UNICEF data, in 2013 about 222 million babies were born in the world, of which 16% were born with low birth weight. The percentage of LBW in developing countries is 16.5% twice that of developed countries (7%) (Scholar Unand, 2014). The purpose of this study was to determine whether there is a relationship between anemia and Smoking Habit in Pregnant Women with LBW occurrence in General Hospital Dr. Mohammad Hoesin Palembang Year 2016. This research use analytical survey method with cross sectional approach. The population in this study were all mothers who gave birth monthly in Midwifery Installation of Dr. General Hospital Mohammad Hoesin Palembang in 2016 as many as 315 respondents. The sample of this research is some of mothers who give birth enough month in Midwifery Installation of Dr. General Hospital Mohammad Hoesin Palembang Year 2016 as many as 315 respondents. ". From the results of bivariate analysis of anemic respondents with the occurrence of LBW obtained statistical test X2 count = 23.22 which means there is a significant relationship between anemia with the incidence of BBLR. Respondents smoking with the occurrence of LBWR obtained statistical test X2 count = 41.20 which means there is a relationship Meaningful between smoking and LBW incidence. From the results of this study is expected that this research can be a reference material and is a complete information and useful for the development of knowledge about LBW.

Maternal Knowledge Factor, Maternal Age and Maternal Parity Associated with Genesis of Normal Delivery at Palembang Hospital of Bari Year 2017

2018 ◽  
Vol 1 (1) ◽  
pp. 43-50
Author(s):  
Juliana Widyastuti Wahyuningsih
Keyword(s):  
Maternal Age ◽  
World Health ◽  
Survey Method ◽  
P Value ◽  
Maternal Knowledge ◽  
Cross Sectional ◽  
Normal Delivery ◽  
Significance Level ◽  
Birth Canal ◽  
Maternal Parity

Childbirthis a processLabor of opening and depleting the cervix and the fetus down into the birth canal. Birth is a process in which the fetus and amniotic are pushed out through the birth canal. (Sarwono, 2008). According to the World Health Organization (WHO) estimates more than 585,000 mothers annually die during pregnancy or childbirth. Indonesia Health Demographic Survey (SDKI) Survey in 2012, Maternal Mortality Rate in Indonesia is still high at 359 per 100,000 live births. The purpose of this study is the knowledge of maternal knowledge, maternal age, and maternal parity associated with normal birth events at Palembang Bari Hospital 2017. This study used analytical survey method with cross sectional approach. The population in this study were all maternal mothers at the Palembang Bari Hospital in 2017. Sampling in the study was conducted non-randomly with the technique of "Accidental Sampling". Data analysis was done univariat and bivariate with Chi-Square statistical test with significance level α = 0,05. The result of this research shows that there is correlation between mother's knowledge with normal delivery incidence with p value 0,001, there is correlation between mother age with normal delivery incidence with p value 0,009, there is relation between mother parity with normal delivery incidence with p value 0,001. From result of this research hopes healthcare workers can improve normal delivery care services and more often to carry out maternal safety counseling.

Memperkuat Loyalitas Melalui Kepercayaan, Kepuasan Dan Komitmen Studi Pada Nasabah PT. Bank Cimb Niaga

Liquidity ◽  
2018 ◽  
Vol 4 (1) ◽  
pp. 43-52 ◽  
Author(s):  
Sri Widyastuti
Keyword(s):  
Customer Satisfaction ◽  
Relationship Quality ◽  
Structural Equation Model ◽  
Customer Loyalty ◽  
Structural Equation ◽  
Positive Influence ◽  
Equation Model ◽  
Survey Method ◽  
Branch Office

Customer loyalty is ‘suspected’not been able to optimizationrepetition of transactions, customer recommendation and durability with the establishment relationship quality of the trust, customer satisfaction and commitment. Therefore, research conducted on Bank CIMB Niaga aims to determine the extent of the trust, and commitment to customer satisfaction can increase X-tra and TabunganKU savings customer loyalty. This research is verification and the method of research is explanatory survey method, the sample is 160 customer X-tra and tabunganKU savings in the branch office Bank CIMB Niaga Bintaro. The analytical method used is structural equation model. The results showed loyalty can be achieved with relationship quality for customers through the establishment of trust, and commitment to customer satisfaction, which all three have a positive influence. Therefore, the management of Bank CIMB Niaga need to improve their ability in trust, satisfactionand commitmentwith the bank's customers to become increasingly favored customers.

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