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FEKUNDITAS CACING Pontoscolex corethrurus Fr.Mull.PADA MEDIA DENGAN PENAMBAHAN LIMBAH CAIR TAHU Marlina, Septi; Indriati, Gustina; Lusi, Armein
Pendidikan Biologi Vol 2, No 2 (2013): Jurnal Mahasiswa Pendidikan Biologi Genap 2013-2014
Publisher : STKIP PGRI Sumbar

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ABSTRACTEarthworm is a organism that give multifunction  for human life and living organism in earth. It have the quality is heterotrof. The reproduction growth of eartworm that have the quality is hemaprodite biparental, it is earthworm that have two tool reproduction all at one in one part of body. Reproduction Pontoscolex corethrurus Fr.Mull worm it can be affected with any effect that have given to Pontoscolex corethrurus Fr. Mull with using tofu waste. Base of that have done the research with a goal for know the effects fecundity Postoscolex corethrurus Fr. Mull worm in media with increase of tofu waste. This research use complete random with five treatment and five repeated. The treatment that have given is the control with 0,1%, 0,2%, 0.3% dan 0,4% treatment. The data have analyted with use analysis od varians test if have difference continued with DNMRT test. This research have done in Zoology laboratorium Biology Departmen FMIPA Of Padang  University  state at Juli-August 2013. The result of analysis had foundthat amount cocoon Pontoscolex corethrurus Fr. Mull wormin A, B, C,D and E have difference of total average cocoon . In A treatment amount fourty cocoon is highest total cocoon from total other treatment  this it real difference with other treatments but cocoon total in B, C, D dan E treatment not real difference. In conclusion, tofu waste can be fertility boosters and suitable with the dose requirement. 
FREKUENSI SOIL TRANSMITTED HELMINTHS PADA SISWA SEKOLAH DASAR NEGERI NO. 32 MUARA AIR HAJI KECAMATAN LINGGO SARI BAGANTI PESISIR SELATAN Zulita, Fitria Nelda; Indriati, Gustina; Lusi, Armein
Pendidikan Biologi Vol 2, No 2 (2013): Jurnal Mahasiswa Pendidikan Biologi Genap 2013-2014
Publisher : STKIP PGRI Sumbar

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ABSTRACT Intestinal helminth infections which transmitted through soil (Soil Transmitted Helminths) is it still a health problem in public Indonesia. Intestinal parasitic worm infections are generally age children of primary school, it was caused have not been able to control the hygiene and healthy. In the elementary School 32 Muara Air Haji, it is located in Linggo Sari Baganti, district Pesisir Selatan. Livelihoods of fishermen and the generally as the average economic low level and medium level. Most people in this Nagari Muara Air Haji does not have BAB / WC is ± 54.41 %. In that regard it has been studied in order to determine the frequency of Soil Transmitted Helminths Primary School Students 32 Muara Air Haji Linggo Sari Baganti district pesisir selatan. The research was conducted in June 2013 with using a descriptive survey method. The population in this study was elementary school student No. 32 Muara Air Haji as 135 people . Sampling was done by random sampling from a population of 68 peoples. Stool examination conducted at the Laboratory of Biology Education Program STKIP PGRI West Sumatra by way of direct observation. The results showed elementary school students No. 32 Muara air haji that has been infected Soil Transmitted Helminths was76.47 %, with 36.54 % details of Ascaris lumbricoides, Trichuris trichiura 28.85 %,1.92 % Hookworm, Ascaris lumbricoides and Trichuris trichiura 28.85 %, Trichuris trichiura and Hookworm 1.92 %, then Ascaris lumbricoides, Trichuris trichiura and Hookworm  1.92  %.  Highest  frequency  of  Soil  Transmitted  Helminths  found  that Ascaris lumbricoides. 
Kepadatan Populasi Kepiting Rajungan (Portunus pelagicus L.) Di Teluk Buo Kecamatan Bungus Teluk Kabung Padang Sumatera Barat Santoso, Sugeng; Nurhadi, Nurhadi; Lusi, Armein
Pendidikan Biologi Vol 2, No 2 (2013): Jurnal Mahasiswa Pendidikan Biologi Genap 2013-2014
Publisher : STKIP PGRI Sumbar

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ABSTRACT          Swimming crab is a commodity of sea that have economical value, because of that the fishermen did overfishing. The fishermen do not  think the effect of wiped out of swimming crab and low reproduction from  crab that cause the population of crab at Gulf Buo become. In addition, the fishemen found problem so, the population of fishemen become decrease. it happened beause of the instrument still traditional. the research is to know the density  population of  Swimming crab and chemical physics  factors at Gulf Buo Padang West Sumatra. The research did on July to Agust 2013 at Gulf Buo Bungus  District Bay Kabung Padang West Sumatra. Sample took by using descriptive, crabs  arrested by using a tunnel set,  the assembling of snare by choosing location based on the differentiante of subtrat.traps captured using the tool, trapping by selecting locations based on different subtrat. The results of research that has been conducted with a population that is:1.2 individuals / snare. Parameters of chemical physics  factor Temperature 29-300C, Salinity 24.4-33 ppt, pH 7, DO 1.73 - 3.12 ppm. 
KEPADATAN POPULASI KUTU DAUN (Myzus persicae) DAN PREDATORNYA (Monoshillus sexmaculata) PADA TANAMAN CABE (Capsicum annum) DI KECAMATAN KOTOPARIK GADANG DIATEH KABUPATEN SOLOK SELATAN Dafrinal, Dafrinal; Widiana, Rina; Lusi, Armein
Pendidikan Biologi Vol 2, No 1 (2013)
Publisher : STKIP PGRI Sumbar

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Chili is a herbaceous plant of the family eggplant (Solanaceae) which has the scientificname Capsicum annuum L. Chili has a lot of nutrients and vitamins, such as calories, protein, fat,carbohydrates, calcium, Vitamin A, Vitamin B1 and Vitamin C. Besides being used for domesticpurposes, peppers can also be used for industrial purposes such as, industry-seasoning, food andmedicine or herbal. Efforts to increase the production of chili still have problems due to pestaphids (Myzus persicae). Aphids reproduce in two ways: with and without marriage or their eggscan develop into young without fertilization (Partegonesis). This pests life cycle ranges from 7-10 days. These pests attack plants by sucking liquid chili leaves, shoots, flower stalks or otherplant parts, so that the leaves become mottled yellow (chlorotic) and eventually fall so chiliproduction declined. This insect will be clustered so as to cover part of the plant. Of control thispest than by using insecticides as well as biological control by predators. Predator beetles arefound is the javelin (Menochillus sexmaculata). Has done research on leaf Mite PopulationDensity (Myzus persicae) and the predatory beetle javelin (Menochillus sexmaculata) At Chilliplants. This study was conducted using a descriptive survey in April 2012, from the results, thepopulation density of aphids Myzus persicae with an average of 64.4 people per stick plantpredatory beetles and javelin Menochillus sexmaculata with an average of 2.4 individuals perstick plant.
KEPADATAN POPULASI KUTU DAUN (Myzus persicae) DAN PREDATORNYA (Monoshillus sexmaculata) PADA TANAMAN CABE (Capsicum annum) DI KECAMATAN KOTOPARIK GADANG DIATEH KABUPATEN SOLOK SELATAN Dafrinal, Dafrinal; Widiana, Rina; Lusi, Armein
Pendidikan Biologi Vol 2, No 1 (2013)
Publisher : STKIP PGRI Sumbar

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Chili is a herbaceous plant of the family eggplant Solanaceae) which has the scientific name Capsicum annuum L. Chili has a lot of nutrients and vitamins, such as calories, protein, fat, carbohydrates, calcium, Vitamin A, Vitamin B1 and Vitamin C. Besides being used for domestic purposes, peppers can also be used for industrial purposes such as, industry-seasoning, food and medicine or herbal. Efforts to increase the production of chili still have problems due to pest aphids (Myzus persicae). Aphids reproduce in two ways: with and without marriage or their eggs can develop into young without fertilization (Partegonesis). This pests life cycle ranges from 7-10 days. These pests attack plants by sucking liquid chili leaves, shoots, flower stalks or other plant parts, so that the leaves become mottled yellow (chlorotic) and eventually fall so chili production declined. This insect will be clustered so as to cover part of the plant. Of control this pest than by using insecticides as well as biological control by predators. Predator beetles are found is the javelin (Menochillus sexmaculata). Has done research on leaf Mite Population Density (Myzus persicae) and the predatory beetle javelin (Menochillus sexmaculata) At Chilli plants. This study was conducted using a descriptive survey in April 2012, from the results, thepopulation density of aphids Myzus persicae with an average of 64.4 people per stick plant predatory beetles and javelin Menochillus sexmaculata with an average of 2.4 individuals per stick plant.
Kepadatan Populasi Kepiting Bakau (Scylla Serrata Forskal) Pada Kawasan Hutan Mangrove Di Teluk Buo Kecamatan Bungus Teluk Kabung Padang Sumatera Barat Yuniati, Reni; Nurhadi, Nurhadi; Lusi, Armein
Pendidikan Biologi Vol 2, No 2 (2013): Jurnal Mahasiswa Pendidikan Biologi Genap 2013-2014
Publisher : STKIP PGRI Sumbar

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ABSTRACT         Mangrove crab (Scylla serrata Forskal) is one of commodity that many liked the beach because the meat tastes delicious, especially the crab meat that are laying and high protein content. Gulf Buo area there is a lot of mud crab especially S. serrata Forskal, but with the continuous arrests (Overfishing) conducted by the society mud crab population has declined. This research aims to determine the density of mangrove crabs and physical factors in the Gulf Buo water chemistry Bungus sackcloth Bay District Padang West Sumatra. Types of the research that used is descriptive that take the sampling directly in the field by using transects that placed by purposive sampling is choosing a location based on the selected mangrove vegetation then chooses 3 stations. The results of research that has been conducted found 44 individuals, the highest density at station II is 2.1 individuals/traps, the average density of 1.47 individuals/trap. The physical factors water chemistry still in accordance with the range of tolerance for the life of the mangrove crab with 24-30 ppt salinity, temperature from 29.0 to 30.7 0C, pH at the third station 7, and 4.90 to 6.26 ppm DO. This research can conclude that the population density of Mangrove Crab Scylla serrata Forskal on Mangrove Forests in the Gulf Buo Bungus sackcloth Bay district of West Sumatra Padang as much as 1.47 individuals/trap. Water chemistry physics factor is still within the range that is good enough to support life mud crab. 
PENGARUH PEMAKAIAN BEBERAPA JENIS DAUN TUMBUHAN TERHADAP PERTUMBUHAN Sitophilus oryzae L. PADA BERAS (Oryza sativa L.) Sari, Desyulita; Lusi, Armein; Safitri, Elza
Pendidikan Biologi Vol 1, No 1 (2014)
Publisher : STKIP PGRI Sumbar

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ABSTRACT Rice is the main food as a source of carbohydrates for most of Indonesian society. Farmers at harvest usually storing rice warehouse. During the storage period of rice will be damaged and shrinkage both in quality and quantity. One cause of the decline in the quality and quantity of stored corps from pest attack is a warehouse. One of the pests that attack warehouse is Sitophilus oryzae L. (Rice beetle). This study aims to determine the effect of the use of several of leaves of plants on the development of Sitophilus oryzae L. in rice (Oryza sativa). This research has been carried out in November to December 2013 Laboratory Biology Education Courses STKIP PGRI West Sumatra. This study used  a  Completely Randomized Design (CRD)  with 5  treatments  and  3  replication. As treatments is A (Control/No leaves), B (Bay leaf), C (Sugar apple leaves), D (Soursop leaf) and E (Red betel leaf). Observed data, that is namely mortality, imago population of Sitophilus oryzae and the percentage of damage caused by the attack of rice Sitophilus oryzae. The data were analyzed by analysis of variance with least significant difference test further (LSD) at the 5% level. The results shomed that the use of some types of plants that bay leaf (Syzygium polyanthum), sugar apple leaves (Annona squamosa), soursop leaf (Annona muricata), red betel leaf (Piper crocatum) significant effect on mortality, Sitophilus oryzae imago population and the percentage of damage caused by the attack of rice Sitophilus oryzae. The leaves are most effective for controlling Sitophilus oryzae attack is red betel leaf (Piper crocatum).