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KUALITAS HABITAT KEPITING BAKAU (Scylla serrata-Forsskål) DI PERAIRAN PANTAI DESA SENGKUBANG KECAMATAN MEMPAWAH HILIR KABUPATEN MEMPAWAH
Full text linkMangrove crab (Scylla serrata) is one of the fishery resources that has economic value. The fulfillment of market needs that are still dependent on nature encourages efforts in the cultivation of mangrove crabs (Scylla serrata). Sengkubang Village has a mangrove area which is the habitat of mangrove crabs that have the potential to be used as cultivated land, but data related to habitat parameters and quality are not yet available. The purpose of this study was to determine the characteristics and quality of mangrove crab habitat (Scylla serrata) in the coastal waters of Sengkubang Village, Mempawah Hilir District, Mempawah Regency. The research method used is to measure water quality including temperature, salinity, water pH, substrate pH, DO, tidal waterlogging, substrate texture, vegetation type, and vegetation density. Crab fishing is carried out by free sampling and using traditional traps (bubu). The research data was compared with habitat quality score data based on the Mangrove Crab Habitat Quality Index. The results showed that the quality of the mangrove crab habitat of Scylla serrata in the coastal waters of Sengkubang village, Mempawah Hilir District, Mempawah Regency is classified as moderate with a total value of 58 so that it is quite supportive for the growth and development of mangrove crabs
PERKECAMBAHAN BIJI KAKAO (Theobroma cacao L.) PADA TANAH GAMBUT DENGAN PEMBERIAN GIBERELIN DAN EKSTRAK TOMAT
Full text linkCocoa is a plant whose seeds are recalcitrant and have germination inhibiting compounds. Efforts to improve the quality of cocoa seed germination can be done by soaking seeds in natural or synthetic solutions containing growth regulators. This study aims to determine the effect of gibberellin and tomato extract on cocoa bean germination. This study used a completely randomized design (CRD) factorial pattern with 2 factors. Factor 1 is gibberellin concentration consisting of 2 levels, namely G0: 0 ppm and G1: 5 ppm and factor 2 is tomato extract consisting of 4 levels, namely T0: 0 g/L, T1: 50 g/L, T2: 100 g/L, and T3: 150 g/L. Data analysis used mean values for all measured growth parameters. The results showed that the concentration of gibberellin 5 ppm and tomato extract 100 g/L produced the best radicle length on day 5 which was 1.93 cm. Gibberellin concentration of 0 ppm and 50 g/L tomato extract produced the best plumula length on day 12 which was 4.17 cm
KARAKTER MORFOMETRIK Ansonia spinulifer (Mocquard, 1890) DI BUKIT WANGKANG KABUPATEN KUBU RAYA
Full text linkAnsonia spinulifer is one species of amphibian from the family Bufonidae, which has a relatively small body size. A. spinulifer belongs to the endemic species of the Borneo. This study aims to determine the morphometric characteristics of male and female A. spinulifer in Bukit Wangkang, Kubu District, Kubu Raya Regency. Morphometric characters of A. spinulifer obtained different between males and females is snout vent length (body length), snout length, hind leg length, and tarsus length - toes of four back feet. This character is used as a dimorphism character between male and female
PEMANFAATAN EKSTRAK AKAR TUBA (Derris elliptica B.) DALAM MENGENDALIKAN KECOAK JERMAN (Blattella germanica L.)
Full text linkGerman cockroach (Blattella germanica L.) are insect pests and vectors of various diseases, so their populations need to be controlled using biopesticides that are easily biodegradable and do not have a negative impact on the environment. The tuba plant (Derris elliptica B.) is a plant that is used as a natural pesticide, especially in its roots. The purpose of this study was to determine the toxicity of aqueous extracts and methanolic extracts of tuba roots based on the LC50 and LT50 values from probit analysis and to compare their effectiveness using the One Way ANOVA test to controlling german cockroach using the bait method with varying concentrations of treatment for 10 individual cockroach with four replications. The LC50-72 hours of tuba root aqueous extract and methanol extract using the feed method were 62.446% (v/v) and 71.857% (w/v). The LT50-60% value of the feed method water extract was 57.926 hours, while the LT50-80% value of the feed method methanol extract was 60.659 hours. The aqueous extract of tuba roots was more effective in controlling german cockroaches than the methanol extract of tuba roots using the bait method
KEPADATAN DAN POLA DISTRIBUSI ULIN (Eusideroxylon zwageri Teijsm. & Binnend.) DI HUTAN DESA LAMAN SATONG KECAMATAN MATAN HILIR UTARA KABUPATEN KETAPANG
Full text linkUlin plant (Eusideroxylon zwageri Teijsm. & Binnend.) is an endemic and vulnerable plant from Kalimantan. The Collection of data on density and distribution patterns of ulin in West Kalimantan, especially in the Laman Satong Village Forest has never been done. This research aims to determine the density and distribution pattern of ulin plant in the Laman Satong Village Forest. The research was conducted from July to September 2020. The method of this research used a single plot method measuring 100 x 100 m which is placed by purposive sampling at 5 different locations based on environmental sights. The results of this research found 26 ulin plant individuals with the highest density value of 0.28 ind/h. The distribution pattern is uniformed and clustered
STUDI ETNOBOTANI TUMBUHAN OBAT YANG DIMANFAATKAN OLEH MASYARAKAT SUKU DAYAK KANAYATN DI DUSUN BANTANG DESA BABANE KECAMATAN SAMALANTAN KABUPATEN BENGKAYANG
Full text linkMedicinal plants are used by the community for traditional treatment in everyday life and become a knowledge in society to maintain and preserve so that they continue to be developed in environmental and living conditions. Therefore, the use of medicinal plants can be seen that each region is definitely different in giving the types of names for medicinal plants, the parts of medicinal plants that are often used by the community and the method of processing medicinal plants. This research was carried out for 3 months from August to October 2021. This research aims to find out which plant species are often used by the Dayak Kanayatn people in Bantang Hamlet, Bengkayang Regency. Determination of respondents can be determined using the Snowball method. The data obtained were analyzed descriptively. Based on the results of this study obtained 63 species of medicinal plants from 37 families. The most common family found was the Euphorbiaceae family with 6 species (9.52%). Places where medicinal plants were collected were mostly found in forests (38%). The part of the plant that is widely used is the leaf (57%). The most widely used method of preparation of medicinal plants was by boiling (47%)
KEANEKARAGAMAN JAMUR MAKROSKOPIS DI PERKEBUNAN KELAPA SAWIT DESA SEBAYAN KECAMATAN SAMBAS KABUPATEN SAMBAS KALIMANTAN BARAT
Full text linkMacroscopic fungi are simple organisms that have nuclei, spores, in the form of cells or threads branching branches, have no chlorophyll and multiply sexually or asexually. Research related to macroscopic fungi in West Kalimantan has been carried out, but has never been carried out in oil palm plantations, one of which is in oil palm plantations in Sebayan Village, Sambas District, Sambas Regacy. This study aims to determine the types of macroscopic fungi in oil palm plantations in Sebayan Village, Sambas District, Sambas Regency. Mushroom sampling using the cruising method with purposive random sampling technique. The results of the study found 18 types of macroscopic fungi consisting of 5 orders, 12 families, and 16 genera. The most commonly found fungi are from the Order Agaricales and Polyporales while the least found are the Order Dacrymycetales, the Order Auriculariales, as well as the Order Russulales
PERTUMBUHAN BAWANG MERAH (Allium ascalonicum L. var. bauji) DENGAN PEMBERIAN PUPUK ORGANIK CAIR CAMPURAN LIMBAH KULIT NANAS (Ananas comosus L.) DAN ECENG GONDOK (Eichornia crassipes L.)
Full text linkShallot (Allium ascalonicum L. var. bauji) is one of the agricultural commodities cultivated by the people in West Kalimantan. Shallot cultivation in West Kalimantan is generally done on planting media in the form of peat soil that has physical and chemical properties that are not suitable for shallot growth. Efforts to overcome the constraints of shallot cultivation in peat soil one of them with the application of liquid organic fertilizer (LOF).This study uses a Complete Random Design (CRD) with 7 treatment standards namely negative control, positive control (inorganic fertilizers); LOF concentrations 50, 75, 100, 125 and 150 mL/L. Treatment of a LOF mixture pineapple peel waste and 50 mL/L hyacinth is the best concentration to increase plant growth such as plant height 30.70 cm, leaf count 24.25 strands, wet plant weight 35.85 g and dry plant weight 2.15 g
KARAKTERISTIK STRUKTUR ANATOMI AKAR, BATANG, DAN DAUN PADA Caladium bicolor cv. Candidum, Caladium bicolor cv. Frieda Hemple, DAN Caladium bicolor cv. Postman Joyner
Full text linkThe genus Caladium consists of about 12 species, among which Caladium bicolor is the main supporter of horticultural cultivars. Until now morphological characters are still used as the main differentiator in the process of identifying and grouping plants. Anatomical characters can also be used as evidence in taxonomyto separate plant species at the species level, or at higher levels in the genus and family. The purpose of this study was to compare the structure of three cultivars of Caladium bicolor. The research was carried out from November 2021 to March 2022 at the Biology Laboratory, Faculty of Mathematics and Natural Sciences, Tanjungpura University, Pontianak. There search used descriptive method. Anatomical observations are carried out by observing the structure of the tissues that make up the organs and observing the shape and size of the cells that make up the tissues. The results showed that there were differences in stele diameter and root cortex thickness, thickness of stem epidermal tissue layer, upper and lower epidermis, and leaf mesophyll in the three cultivars of Caladium bicolor. Frieda Hemple cultivar had the largest stele diameter, 62.5 µm, while Candidum cultivar had the thickest cortex, 61.2 µm. The thickest stem epidermis was found in Frieda Hemple cultivar, which was 18.8µm. The thickness of the upper and lower epidermis of the leaves on the Candidum cultivar was the thickest, 16.4 µm and 12.2 µm, respectively. Leaf mesophyll thickness in Frieda Hemple cultivar was the thickest, at 62.9 µm. The type of stomata in the three cultivars of Caladium bicolor used was the same, namely anomocytic
INVENTARISASI JENIS TUMBUHAN LIANA DI KAWASAN HUTAN KARABUKTAN UNTANG BANYUKE HULU KABUPATEN LANDAK
Full text linkLiana plants in the ecosystem acted as important ecological role, such as supporting the host tree from strong winds, as feed source, and as accessible way for arboreal animals to pass from one canopy to another canopy. This study is aimed to inventorize the types of Liana plants that are found in Karabuktan’s forest area in Bentinga village, Banyuke Hulu subdistrict, Landak Regency. The research was carried out for three months from December 2020 to February 2021 used the exploring method (cruise method), espcially to explore the entire forest area of the research location. The inventory results showed that there were 10 families, 12 genera, and 13 species of lianas found in the Karabuktan forest area, named Calamus ornatus, Nepenthes ampullaria, Piper crocatum, Bauhinia purpurea, Piper aduncum, Cnestis platantha, Flagellaria indica, Ipomoea obscura, Spatholobus sp. Mikania micrantha, Smilax leucophylla, Arcangelisia flava, and Entanda spiralis