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THE EFFECTS OF ENVIRONMENTAL FACTORS ON THE DYNAMIC GROWTH PATTERN OF MANGROVE Avicennia marina Endah Dwi Hastuti; Sutrisno Anggoro; Rudhi Pribadi
JOURNAL OF COASTAL DEVELOPMENT Vol 16, No 1 (2012): Volume 16, Number 1, Year 2012
Publisher : JOURNAL OF COASTAL DEVELOPMENT

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Avicennia marina is a species of mangrove tree occurs in the intertidal zones of estuarine areas in Asia, including Indonesia. Mangrove within the genus member of Avicennia have long dominated many coastal areas along Semarang and Demak coasts. The aim of this research was to analyze the effect pattern of several environment parameters to Avicennia seedling growth rate. Observation was held by setting 8 stations with 3 transects, each including mangrove survey and environment parameter measurements. Mangrove survey including seedling and sapling stage occupying 1 x 1 m and 5 x 5 m transect plot respectively. While environmental factor measurements including on site measurement for temperature, salinity, pH and DO and laboratory analysis for organic matter, nutrient (N,P,K) and sediment structure. The results showed there were 2 effect pattern for environmental parameters observed including polynomial quadratic and logarithmic patterns. Parameters which had polynomial quadratic pattern including salinity, DO, P, sand and silt, while parameters which had logarithmic pattern were temperature, pH, organic matter and N.

Pengaruh Jenis dan Konsentrasi Larutan Perendam Alami Terhadap Perkecambahan Biji dan Pertumbuhan Bibit Kelapa Sawit (Elaeis guineensis Jacq). A Amirudin; Endah Dwi Hastuti; Erma Prihastanti
Jurnal Akademika Biologi Vol. 4 No. 1 Januari 2015
Publisher : Departemen Biologi, Fakultas Sains dan Matematika Undip

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Oil palm (Elaeis guineensis Jacq) is one of the leading commodity Indonesian plantation product that has economic value International market. In the process of oil palm cultivation experience problems due to oil palm seeds have a hard endocarp and contain lignin content is high enough that it is difficult to germination. Purpose of this study the effect of the type and marinade solution concentration as well as the interaction between the type and concentration of the solution marinade for seed germination and seedling growth of oil palm (Elaeis guineensis Jacq). This research is random full factorial design consisting of two factor 2 x 5. The first factor is the type of marinade: coconut water and cow urine, the second factor is the concentration of the solution marinade. This study uses 10 treatments with 3 repetitions. Parameters observed that the percentage of germination, plant height, leaf number, leaf color, number of roots, fresh weight and dry weight. Analysis of the data used is Analysist of Variances (ANOVA) showed a significant effect if it continued with Duncan’ Multiple Range Test (DMRT) at the level of 95%. The results showed that the type of marinade effect on plantheight. The results showed that the percentage of seed germination is influenced by the concentration of soaking solution with the highest rates at a concentration of 75% was kind of marinade between coconut water and cow urine had no effect. Oil palm seedling growth is influenced by the type of solution shredded coconut milk and cow urine concentration and interact with the marinade. Type shredded cow urine at a concentration of 75% to produce the highest seedling growth.Keywords: Oil Palm (Elaeis guineensis Jacq), Coconut milk, Cow urine, Germination, Seed

KAPASITAS LAPANG DAN PERTUMBUHAN CABAI MERAH KERITING (Capsicum annum L.) PADA JENIS DAN PEMBENAH TANAH YANG BERBEDA Novi Sultonia Farida; Sri Widodo Agung Suedy; Endah Dwi Hastuti
Jurnal Akademika Biologi Vol. 4 No. 1 Januari 2015
Publisher : Departemen Biologi, Fakultas Sains dan Matematika Undip

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Clay and sandy soil are critical area that have been damaged due to the very low rainfall or poor soil texture and in result recuding the function of water and soil. Such soils can be restored by using repairing soil materials tahat can improve soil structure by affeeting the soil field capacity and pull through the water. In result, it can support the growth of plant. The addition of repairing soil can increase field capacity and the growth of curly red chili. This study aims to determine the effect of repairing soil, soil types (clay and sandy) and the interaction between soil types and repairing soil soil that affecting field capacity and the growth of curly red chili. The research was conducted in Ringinarum village, Kendal, and plant BSF Laboratory, FSM Undip. The research design was a Completely Randomized Design (CRD) with a 2x3 factorial pattern, each treatmentnhad 3 repetitions. The firs factor was soil (T): Sandy (P) and Clay (L), while the second factor: S0 (control/without repairing soil), S1 (rice husk repairing soil) and S2 (rice straw repairing soil). Analysis of the data was using Analysis of Variance (ANOVA) followed by Duncan’s Test significant difference of Multiple Range Test (DMRT) at the 95% significance level. The observed parameters were field capacity, plant height, number of leaves, fresh weight and dry weight of chilies. The results showed that the addition of repairing soil affected the field capacity and the growth of curly red chili. Field capacity of control (without repairing soil) of 17,3%, rice husk repairing soil of 66,76%, and rice straw repairing soil of 80,51% (increased). The addition of repairing soil of rice straw was more optimal that rice husk and soil without repairing soil. The plant was better growth on clay than on sandy soil. Keywords : sandy soil and clay soil, repairing soil, field capacity, rice husk, rice straw

Kualitas Daun Binahong (Anredera cordifolia) pada Suhu Pengeringan Berbeda Hesti Fajar Utami; Rini Budi Hastuti; Endah Dwi Hastuti
Jurnal Akademika Biologi Vol. 4 No. 2 April 2015
Publisher : Departemen Biologi, Fakultas Sains dan Matematika Undip

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Binahong leaf is one of the plants that can be used as a traditional medicine. An important step in the use of leaf binahong as drugs is by drying. This study aims to determine the effect of different drying temperature treatment on quality of leaf binahong. The research is divided into two stages: 1. to investigate binahong leaf quality of weight loss changes, the color and texture of the leaves binahong after different drying; 2. to investigate flavonoid quality changes after different drying. The study design used was completely randomized design (CRD) with one factor, namely the factor of temperature drying 270C,300C temperature, the temperature of 400C and 500C temperature for 1 day. The parameters of this study consisted of weight loss percentage, percentage of water content, leaf color, leaf texture and flavonoid content analysis. Analysis of the data used isAnalysis of Variance (ANOVA) followed by Duncan's real different test at 95%significance level. The results showed that the drying temperature tends to increase the rate of weight loss, eliminating moisture, affect change in color and texture of the leaves and reduce the content of flavonoids. Drying temperature 500C showed the best results in reducing weight loss and moisture content, but is not able to maintain the color and texture of the leaves and leaf flavonoid content binahong, while the temperature of 270C, a temperature of 300C and 400C temperature is able to maintain the color and texture of the leaves but slightly lowers weight loss and levels water. The highest binahong leaf flavonoid produced at a temperature of 270C is equal to 10,729% followed by a temperature of 300C at 1,305%, 0,753% temperature of 400C and 500C temperature of0,651, so it is recommended to use as a traditional medicine, the leaves should be consumed directly binahong. Keywords: Anredera cordifolia, drying temperature, flavonoid

PERTUMBUHAN SEMAI R. mucronata PADA TAMBAK WANAMINA DENGAN LEBAR SALURAN INLET DAN KOMPOSISI MANGROVE YANG BERBEDA Ruli Nur Hidayanti; Rini Budi Hastuti; Endah Dwi Hastuti
Jurnal Akademika Biologi Vol. 5 No. 1 Januari 2016
Publisher : Departemen Biologi, Fakultas Sains dan Matematika Undip

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Fishpond as aqua culture in certain regions are managed intensively to obtain optimum results. Rising the areas of fishpond induced decrease of mangroves areas due to land conversion. Managing sytem of fishpond in association with mangrove forests began to be developed and known as silvofishery. R. mucronata is one type of mangrove which has an important role for the environment of fishpond. This research aims to know the growth of R. mucronata in duct inlet of silvofishery with different width and mangrove compositions. This research was carried out axperimentally using Random Design Group (RAK) factorial pattern 2x3. The first factor is the compositions of mangrove (single & mix) and the second factor is inlet width (1 m. 2m, and 3 m). The result of the ANOVA analysis showed that height, diameter growth on each inlet width and composition of different mangrove showed that there is no significant difference of growth during two months research. However on L3K1 (3 meters inlet width with a single mangrove composition) produce heigh and diameter growth were better than on the other inlet width and mixture composition of mangrove. Key words : Growth, Seedling, R. mucronata, Silvofishery.

KEMAMPUAN AKUMULASI TIMBAL (Pb) PADA AKAR MANGROVE JENIS Avicennia marina (Forsk.) DAN Rhizophora mucronata (Lamk.) DI LAHAN TAMBAK MANGUNHARJO SEMARANG Titi Wulandari; Rini Budi Hastuti; Endah Dwi Hastuti
Jurnal Akademika Biologi Vol. 7 No. 1 Januari 2018
Publisher : Departemen Biologi, Fakultas Sains dan Matematika Undip

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The waters in Mangunharjo are close to industrial activities and human settlements. The high activity in the Mangunharjo area, can flow a variety of waste that can cause pollution, one of which pollution Heavy Metal Pb. This study aims to analyze the ability of roots and leaves Rhizophora mucronata and Avicennia marina in accumulating heavy metal pollutant Lead (Pb). The research was conducted in the pond area of Mangunharjo Subdistrict, Semarang. The design of this research using Randomized Completely Randomized Design 2x1: Factor I namely Type (Avicennia marina and Rhizophora mucronata) at tree stage, Factor II that is root organ with two sampling within 30 days. The research parameters included Pb metal content on mangrove root, and Pb metal content in water and sediment. The result of this research can know the level of Pb metal in water and the environmental sediments of Avicennia marina are 0.36-0,9475 mg / l and 0,941-1,455 mg / kg, respectively. The concentration of Pb metal in water and sediment at the root of Rhizhophora mucronata was 0.175-0,243 mg / l, respectively. Types and Organs do not interact because of their significance of 0.732 (> 0.05). The ability of mangroves to absorb heavy metals in aquatic environments can be determined by calculating Bio Concentration Factors (BCF). BCF values for mangroves Avicennia marina and Rhizophora mucronata ranged from 0.0566 to 0.1068, with the highest values at the root Rhizophora mucronata (0.2879-0.0638). Keywords: Accumulation, Avicennia marina, Rhizophora mucronata, Bio Concentration Factor, significance

PERTUMBUHAN SEMAI Rhizophora mucronata PADA SALURAN TAMBAK WANAMINA DENGAN LEBAR YANG BERBEDA Afiyatul Aini; Rini Budi Hastuti; Endah Dwi Hastuti
Jurnal Akademika Biologi Vol. 5 No. 1 Januari 2016
Publisher : Departemen Biologi, Fakultas Sains dan Matematika Undip

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The expansion of the aquaculture area causes reduction of mangrove ecosystems. Silvofishery combines fisponds and mangrove planting. Rhizophora mucronata often select for rehabilitation of mangrove forests. This research aims to know growth differences of Rhizophora mucronata in the ducts of silvofishery and variation width range of ducts. This research was carried out from the basic of Random Design Group (RAK) used three treatments which each of treatment was repeated 3 times. The treatments were the variation width of the ducts (R): R1 = R2 = 1 m, 2 m and R3 = 3 m. Growth data was analyzed using statistical approach, The Analysis of Variance (ANOVA). The results of the analysis observational during two months research of Rhizophora mucronata showed that the height and diameter growth of each width of duct (1 m, 2 m, 3 m) wasn't significantly different, but there was a growth tendency in height and diameter of Rhizophora mucronata. Mangrove within 3 m width of duct has best growth condition compared with the others. Plant Branch wasn't grown and foliages were grown partially. Key words: Growth, Rhizophora mucronata, Mangrove, Silvofishery.

Pengaruh Kombinasi Pupuk daun dan Nano silika terhadap Pertumbuhan Anggrek (Dendrobium sp.) pada Subkultur secara In Vitro Imroatul Khasanah; Erma Prihastanti; Endah Dwi Hastuti; Agus Subagio
Jurnal Akademika Biologi Vol. 5 No. 3 Juli 2016
Publisher : Departemen Biologi, Fakultas Sains dan Matematika Undip

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Orchid is one of the horticulture commodities that are very important in international trade. The problem that is commonly found in the plant tissue culture is hyperhydricity which causes the growth of plant to be too slow. Which is also a problem in acclimatization. Leaf fertilizers contain macro and micro nutrient that promote plant growth. Nano silica is a nutrient which is needed by monocotyl plants to support growth and prevent deficiency or poisoned nutrient. The aim of this research is to know the effects the combination of leaves fertilizer with nano silica and know optimal concentration of leaves fertilizer and nano silica combination to growth of orchids (Dendrobiumsp) in subculture. This research used Completely Randomize Factorial Design (CRFD) (4x2) with four replication. First factor is leaves fertilizer (G) consists of four extent that is G0: 0,000 g/l; G1: 0,250 g/l; G2: 0,375 g/l; G3: 0,500 g/l. Second factor is nano silica (N) that consists of two extent that is N0: 0 ppm; N1: 20 ppm. The parameters which were measured in this research are number of leaves, plant height, number of roots, and the number of shoots. The data were analyzed by Analysis Of Variance (ANOVA) and continued with Duncan’s Multiple Range Test (DMRT) in extent 95%. The results of this research show that there are effects of interaction between leaves fertilizer and nano silica to the amount of roots. Leaves fertilizer does not really affect the orchid but it tends to increase plant height, the amount of shoots and orchid performance. Nano silica does not really affect the orchid but it tends to increase the amount of leaves, plant height and orchid performance. Keyword: Growth, subculture, concentration, leaves fertilizer, nano silica

PENGARUH PEMBERIAN LIMBAH KOPI TERHADAP PERTUMBUHAN TANAMAN SELADA (Lactuca sativa L.) Nimas Disri Putri; Endah Dwi Hastuti; Rini Budi Hastuti
Jurnal Akademika Biologi Vol. 6 No. 4 Oktober 2017
Publisher : Departemen Biologi, Fakultas Sains dan Matematika Undip

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Lettuce plant is one of type of vegetable plant that has a high nutrient content consisting of protein, fat carbohydrates, calcium, and vitamins. Lettuce production in Indonesia has increased due to high demand of lettuce on the market. High production is supported by the high cultivation of lettuce. This high lettuce cultivation affects the use of fertilizer, where inorganic fertilizers are more widely used today. The use of inorganic fertilizers should be reduced because of its negative impact on the environment. Organic fertilizer is an appropriate solution to reduce the use of inorganic fertilizers. One of the materials that can be used as organic fertilizer is coffee waste.Coffee waste contains one of the essential nutrients in plant growth that is Nitrogen. This study aims to analyze that effect of solid and liquid coffee waste on the growth of lettuce plants (Lactuca sativa L.). The research was conducted by using Completely Randomized Design (RAL) with single factor that is the concentration of coffee waste. The study consist of 7 treatments, namely 0g/kg of coffe waste, 10g/kg of solid waste,20g/kg of solid waste, 30g/kg of solid waste, 10g/100ml of liquid waste, 20g/100ml of liquid waste, and 30g/100ml with 5 repetitions. The parameters observed were plant height, leaf number, wet weight and dry weight of plant, root length, wet weight and dry weight of root,. Data analysis using ANOVA followed by Duncan’s Multiple Range Test at 95% confidence level. The results showed that coffe waste significantly affected and improved the growth of lettuce (Lactuva sativa L.). Liquid waste concentration 10g/100ml gives the best result to the growth of lettuce plant (Lactuca sativa L.). Key words: lettuce, Lactuca sativa L., coffe waste

PERTUMBUHAN SEMAI Rhizophora mucronata lamk. PADA KOMPOSISI JENIS MANGROVE DAN LEBAR SALURAN OUTLET YANG BERBEDA DI TAMBAK WANAMINA KELURAHAN MANGUNHARJO, SEMARANG. Nuzula Muharrahmi; Rini Budi Hastuti; Endah Dwi Hastuti
Jurnal Akademika Biologi Vol. 5 No. 1 Januari 2016
Publisher : Departemen Biologi, Fakultas Sains dan Matematika Undip

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Mangrove or commonly referred to as mangrove coastal areas generally live in tropical and sub-tropical. The mangrove forest is an important area for maintaining environmental quality. The existence of mangrove forests in Indonesia is increasingly alarming due to the conversion of mangrove vegetation. One of the mangrove vegetation has undergone over the function in Indonesia is in the Village of Mangunharjo, Tugu subdistrict, Semarang. This area has a lot of experience over the land which was originally a mangrove forest vegetation community is then used as aquaculture area, residential and industrial areas. This study aims to assess the level of seedling growth of R. mucronata Lamk. in mangrove type composition and the width of outlet channel which is different in silvofishery. This research used experimental method with Randomized Design (RBD). Seedlings planted in pond (silvofishery) on a single mangrove species composition and mix as well as the width of outlet channel which is different. Data obtained in the form of average height and diameter growth of seedlings R. mucronata Lamk. Data were analyzed using analysis of variance (ANOVA). The results showed that mangrove type composition and the width of outlet channel which is different on seedling growth of R. mucronata Lamk. were not significantly different.Keywords: mangrove, silvofishery, vegetation, outlet

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