AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian
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Identifikasi Karakteristik Agronomi Dan Morfologi Beberapa Varietas Padi Lokal Di Lahan Rawa Lebak
Full text linkCharacterization is a process observation of knowing the character a plant. The aim of the study was to identify agronomic and morphological characteristics as well as the kinship of several local rice varieties in the lebak swampland. This research was carried out in Mudung Laut Village, Pelayangan District, Jambi Province with a middle lebak swampland agroecosystem from July to December 2022. The design used was Randomized Group with three replicates, with 14 local rice and two superior rice varieties, are Pandan Wangi Kuning, Mawar, Putih, Tinggi, Ketan Hitam, Napi, Serendah Layap, Bujang Berinai, Kuning, Janu, Melati, Sentani, Bendera, Pandan Wangi, Padi Merah dan Inpara 3. Quantitative data using analysis of variance, if there are differences continued with the Scott Knott test at the level of α = 5%. Quantitative data to determine the kinship of rice varieties was carried out by cluster analysis. The research results, it was found that there was a diversity of morphological characters in various local swamp rice varieties and significantly different in all variables which could be caused by genetic and environmental factors biotic and abiotic. Analysis of kinship rice varieties in Swamp Lebak has a similarity coefficient value ranging from 0.71 to 1.00.Karakterisasi suatu proses pengamatan untuk mengetahui karakter suatu tanaman. Tujuan penelitian untuk mengidentifikasi karakteristik agronomi dan morfologi serta hubungan kekerabatan beberapa varietas padi lokal lahan rawa lebak. Penelitian dilaksanakan di Kelurahan Mudung Laut Kecamatan Pelayangan Kota Jambi Provinsi Jambi dengan agroekosistem lahan rawa lebak tengahan dari bulan Juli sampai Desember 2022. Rancangan yang digunakan Acak Kelompok (RAK) dengan tiga ulangan, dengan 14 varietas padi lokal dan dua varietas padi unggul yaitu Pandan Wangi Kuning, Mawar, Putih, Tinggi, Ketan Hitam, Napi, Serendah Layap, Bujang Berinai, Kuning, Janu, Melati, Sentani, Bendera, Pandan Wangi, Padi Merah dan Inpara 3. Data kuantitatif yang diperoleh dianalisis menggunakan analisis ragam, apabila terdapat perbedaan yang nyata dari perlakuan dilanjutkan dengan Uji Scott Knott pada taraf α = 5%. Data kuantitatif untuk mengetahui adanya hubungan kekerabatan varietas padi dilakukan analisis cluster. Dari hasil penelitian didapatkan adanya keragaman karakter morfologi pada berbagai varietas padi lokal rawa dan berbeda nyata pada semua variabel dapat disebabkan oleh faktor genetik dan lingkungan (bitotik dan abiotik). Faktor biotik yang mempengaruhi adalah hama walang sangit dan hama burung.Analisis tingkat kekerabatan dari beberapa varietas padi lokal rawa lebak memiliki nilai koefisien kesamaan berkisar 0,71-1,00
Pengaruh Konsentrasi Pupuk STMJ Plus (Susu Telur Molase Jamur Trichoderma sp. dan Limbah Buah-Buahan) terhadap Pertumbuhan dan Hasil Dua Varietas Selada (Lactuca sativa L.): Pengaruh Konsentrasi Pupuk STMJ Plus (Susu Telur Molase Jamur Trichoderma sp. dan Limbah Buah-Buahan) terhadap Pertumbuhan dan Hasil Dua Varietas Selada (Lactuca sativa L.)
No full textIncreasing lettuce production will be done by improving cultivation inputs, such as increased nutritional needs. An alternative organic fertilizer that can be used is made from spoiled milk, eggs, Trichoderma sp. molasses, and fruit waste, or STMJ Plus for short. STMJ Plus Fertilizer acts as an organic nutrient to encourage plant growth. This study aimed to determine the effect of the interaction between STMJ Plus fertilizer concentrations and lettuce varieties on the growth and yield of lettuce plants. The experiment was carried out in a factorial manner using a completely randomized design (CRD) consisting of 2 factors with 4 replications. The first factor is the concentration of STMJ Plus fertilizer consisting of 4 levels: P0: without fertilizer; P1: 5 ml L-1; P2: 10 ml L-1; and P3: 15 ml L-1. The second factor was the variety, which consisted of 2 levels: V1: Grand Rapids and V2: Red Rapid. The results of this study that the interaction of STMJ Plus fertilizer concentrations and lettuce varieties showed highly significant differences in plant height and plant fresh weight variables. The combination that gave the best effect was the concentration of 15 ml L-1 on the Red Rapid (P3V2).Upaya peningkatan produksi selada dapat dilakukan dengan memperbaiki input budidaya seperti penambahan kebutuhan nutrisi. Alternatif pupuk organik lain yaitu berbahan susu basi, telur, molase jamur Trichoderma dan limbah buah-buahan atau dapat disingkat STMJ Plus. Pupuk STMJ Plus berperan sebagai nutrisi organik untuk memacu pertumbuhan tanaman. Tujuan dari penelitian ini adalah untuk mengetahui pengaruh interaksi antara konsentrasi pupuk STMJ Plus dengan varietas selada terhadap pertumbuhan dan hasil tanaman selada. Percobaan dilaksanakan secara faktorial menggunakan pola dasar Rancangan Acak Lengkap (RAL) yang terdiri atas 2 faktor dengan 4 kali ulangan. Faktor pertama konsentrasi pupuk STMJ Plus terdiri atas 4 taraf, yaitu: P0 : tanpa pupuk; P1 : 5 ml L-1; P2 : 10 ml L-1; dan P3 : 15 ml L-1. Faktor kedua varietas yang terdiri dari 2 taraf, yaitu: V1 : Grand Rapids dan V2 : Red Rapid. Hasil penelitian menunjukkan interaksi konsentrasi pupuk STMJ Plus dan varietas selada menunjukkan berbeda sangat nyata pada variabel tinggi tanaman dan berat basah tanaman. Kombinasi yang memberikan pengaruh terbaik adalah konsentrasi 15 ml L-1 pada Red Rapid (P3V2)
Hasil dan Komponen Hasil Beberapa Varietas Kacang Hijau (Vigna radiata L. Wilczek) yang Diberi Pemupukan Kieserit: Hasil dan Komponen Hasil Beberapa Varietas Kacang Hijau (Vigna radiata L. Wilczek) yang Diberi Pemupukan Kieserit
No full textMungbean is one of food plants that has important role as a source of nutrition. One of the important macronutrient elements which its deficiency can disrupt the photosynthesis process resulting in reduced mungbean growth and yield is Mg (magnesium). Research aimed to determine responses of several varieties to application of different doses of kieserite fertilizer and to obtain the best dose for each varieties. Experiment was arranged in a randomized block design (RBD) with a two-factor factorial pattern. The first factor was four varieties i.e. ‘Vima 1’, ‘Vima 3’, ‘Vima 5’, and ‘Vimil 1’. Second factor was four levels of kieserit fertilizer dosage (0, 50, 100, and 150 kg ha-1). Observed variables were yield and yield components. Data were analyzed using analysis of variance and Duncan\u27s test at 5% α level. Results showed that the responses of four varieties used were relatively the same to the dose of kieserit, and dose aplication of kieserit 50 kg.ha-1 could increase yield. Highest yielding variety was Vima-5 variety with highest number of pods and yield per plant. While the lowest yielding variety was Vimil-1 variety which had lower seed size (weight 100 seeds) than of other varieties.Kacang hijau adalah salah satu jenis tanaman pangan yang memiliki peranan penting sebagai sumber nutrisi. Salah satu elemen makronutrien penting yang kekurangannya dapat menyebabkan terganggunya proses fotosintesis sehingga pertumbuhan dan hasil polong kacang hijau tereduksi adalah Mg (magnesium). Penelitian bertujuan mengetahui respons beberapa varietas terhadap aplikasi pemupukan kieserit berbeda dosis serta mendapatkan dosis terbaik bagi tiap-tiap varietas. Percobaan disusun dalam rancangan acak kelompok (RAK) pola faktorial dua faktor. Faktor pertama adalah empat varietas (‘Vima 1’, ‘Vima 3’, ‘Vima 5’’, dan ’Vimil 1’) dan yang kedua adalah empat taraf dosis pemupukan kieserit (0, 50, 100, dan 150 kg ha-1). Variabel yang diamati adalah hasil dan komponen hasil. Data dianalisis dengan analisis varians dan uji Duncan pada taraf α = 5%. Hasil penelitian menunjukkan bahwa respos ke-empat varietas yang digunakan relatif sama terhadap dosis pemberian kieserit, dan pemberian kieserit dosis 50 kg.ha-1 dapat meningkatkan hasil. Hasil terbaik diperlihatkan oleh varietas Vima-5 dengan jumlah polong dan hasil per tanaman tertinggi. Sedangkan bobot biji per tanaman terendah diperoleh dari varietas Vimil-1 dengan bobot 100 biji juga lebih rendah dari varietas lainnya
Keragaman Genetik, Morfologi dan Produksi Tanaman Sagu Dataran Tinggi Latimojong Kabupaten Luwu: Keragaman Genetik, Morfologi dan Produksi Tanaman Sagu Dataran Tinggi Latimojong Kabupaten Luwu
No full textLuwu Regency is one of the centers of sago distribution in South Sulawesi Province, both in the lowlands and highlands. The existence of genotypes and phenotypes in different locations can provide information related to the level of sago plant diversity. Information on the diversity of sago accessions from the community is generally only based on morphological and production characters so that it is unstable due to environmental influences.This research aims to obtain data and information on genetic diversity based on RAPD molecular markers, morphological characteristics and production potential of various sago accessions in the highlands. The research method was carried out through the stages of observing morphological and production characters by direct observation in the field. Genetic diversity analysis was carried out using the RAPD molecular marker test using 9 selected primers. The samples used were young sago leaves. Sago samples for the purposes of observing morphology and production in felled ripe sago stands were carried out using destructive sampling by cutting down sample sago trees. The selected sago has entered the mature felling phase in each accession which has the same morphological characteristics based on visual characteristics and information from key respondents. The average polymorphic band was 7.33 while the average monomorphic band was 3.22. The highest percentage of polymorphism was 88.88% while the lowest was 41.67 %. Some accessions have the highest dissimilarity coefficient of 70%, while the lowest similarity coefficient value is 18 %. Latimojong highland sago has a low production average of 118.24 kg tree-1Kabupaten Luwu merupakan salah satu sentra penyebaran sagu di Provinsi Sulawesi Selatan, baik di dataran rendah hingga dataran tinggi. Keberadaan genotife dan fenotipe pada lokasi yang berbeda dapat memberikan informasi terkait tingkat keragaman tanaman sagu. Informasi keragaman aksesi sagu dari masyarakat, umumnya hanya berdasarkan karakter morfologi dan produksi sehingga berifat tidak stabil karena adanya pengaruh lingkungan. Penelitian ini bertujuan untuk memperoleh data dan informasi keragaman genetik berdasarkan penanda molekuler RAPD, karakteristik morfologi dan potensi produksi sagu berbagai aksesi di dataran tinggi. Metode penelitian dilaksanakan melalui tahapan pengamatan karakter morfologi dan produksi dengan pengamatan langsung dilapangan. Analisis keragaman genetik dilakukan dengan uji marka molekuler RAPD dengan menggunakan 9 primer yang telah diseleksi. Sampel yang digunakan berupa daun muda sagu contoh. Sampel sagu untuk keperluan pengamatan morfologi dan produksi pada tegakan sagu masak tebang dilakukan secara destructive sampling dengan menebang pohon sagu contoh. Sagu yang dipilih telah memasuki fase masak tebang pada masing-masing aksesi yang memiliki karakter morfologi sama berdasarkan ciri-ciri visual dan informasi dari responden kunci. Rata-rata pita polimorfik sebesar 7,33 sedangkan rata-rata pita monomorfik sebesar 3,22. Persentase polimorfisme tertinggi sebesar 88.88 % sedangkan terendah sebesar 41.67 %. Terdapat aksesi yang memiliki koefisien ketidakkemiripan tertinggi sebesar 70 %, sedangkan nilai koefisien kemiripan terendah yaitu 18 %. Sagu dataran tinggi Latimojong memiliki produksi yang rendah rata-rata 118,24 kg pohon-
Optimasi Pertumbuhan dan Hasil Jagung (Zea mays L.) dengan Pupuk Ammonium Klorida pada Dataran Rendah
Full text linkThe high yield gap between the potential of varieties and the real production of corn in the field is one of the problems in meeting the national corn needs, so various efforts to increase productivity are continuously carried out, one of which is the application of inorganic fertilizers that are suitable for plant needs and specific. The study was conducted at KP Mojosari AIAT East Java from November 2020 to February 2021. The experiment used a randomized block design (RAK) with 5 replications and 6 treatments including control (without fertilizer) and 5 other treatments which were a combination of the dose of ammonium chloride fertilizer and the dose of urea fertilizer. The results showed that treatment F showed the highest yields on plant height and canopy width, treatment E showed best results on leaf width variables, and treatment C showed the highest results on stem diameter variables. Meanwhile, result parameter shows that all treatment combinations obtained higher results than the control. The conclusion is that this ammonium chloride fertilizer can be used for corn because it has an additional Cl element which is useful for the efficient use of nitrogen in plants, but the application of Cl must be limitedTingginya kesenjangan hasil antara varietas dengan potensi produksi nyata jagung di lapangan menjadi salah satu kendala dalam pemenuhan kebutuhan jagung nasional. Berbagai upaya peningkatan produktivitas terus dilakukan, salah satunya dengan pemberian pupuk anorganik yang sesuai dengan kebutuhan dan spesifikasi tanaman. Penelitian dilaksanakan di Kebun Percobaan Mojosari BPTP Jawa Timur pada bulan November 2020 sampai dengan Februari 2021. Penelitian menggunakan Rancangan Acak Kelompok (RAK) dengan 5 ulangan dan 6 perlakuan, termasuk kontrol (tanpa pupuk) dan 5 perlakuan lainnya, yaitu kombinasi pupuk amonium klorida dan dosis pupuk urea. Kombinasi tersebut adalah: A (tanpa pupuk), B (Urea 250 kg/Ha + tanpa Amonium Klorida), C (Urea 187,5 kg/Ha + Amonium Klorida 111 kg/Ha), D (Urea 125 kg/Ha + Amonium Klorida 221 kg/Ha), E (Urea 62,5 kg/Ha + Amonium Klorida 332 kg/Ha) dan F (tanpa Urea + Amonium Klorida 442 kg/Ha). Hasil penelitian menunjukkan bahwa perlakuan F menunjukkan hasil tertinggi pada variabel tinggi tanaman dan lebar tajuk, perlakuan E menunjukkan hasil terbaik pada variabel lebar daun, dan perlakuan C menunjukkan hasil tertinggi pada variabel diameter batang. Sedangkan parameter hasil menunjukkan bahwa semua kombinasi perlakuan memperoleh hasil yang lebih tinggi dibandingkan dengan kontrol. Kesimpulannya pupuk amonium klorida ini dapat digunakan untuk tanaman jagung karena memiliki tambahan unsur klorida yang berguna untuk efisiensi penggunaan nitrogen pada tanaman, namun aplikasi klorida harus dibatasi
Observasi Keragaan Ukuran Benih, Endosperma, dan Embrio Genotipe Padi (Oryza sativa L.) Tropis dengan Image Analysis: Observasi Keragaan Ukuran Benih, Endosperma, dan Embrio Genotipe Padi Tropis (Oryza sativa L.) dengan Image Analysis
No full textRice is important staple food in the world. One important input in rice production is seed vigor, is determined by seed characteristics such as seed size and shape. The Digital image processing could facilitate observations of seed size faster, large samples, produce accurate, and robust data. However, this study was designed to investigate size of seed, endosperm and embryo of 55 tropical rice genotypes using image analysis and correlation anlysis between characters. A total of 400 seeds, 40 endosperms, and 8 embryos containing each genotype were investigated for their size characteristics. The results of the investigation showed that genotype differences had a significant effect on size of seed, endosperm and embryo. The length of tropical rice seeds is included in the medium-very long seeds and has a significant positive correlation (α <0.01) with the weight of 1000 grain grains, seed area, shape of the seed (length-to-width ratio), and endosperm length. Embryo size characters (length, width, area, and circumference) have a significant positive correlation (α <0.05) with seed area. The results can be considered in the crop improvement of tropical rice plants in the future.Beras merupakan salah satu makanan pokok penting di dunia. Salah satu input penting dalam produksi beras adalah tersedianya benih dengan vigor baik yang salah satunya ditentukan oleh karakteristik benih seperti ukuran dan bentuk benih. Pendekatan pengolahan citra dengan teknologi digital telah dapat memudahkan pengamatan non destruktif ukuran benih (seed size) dalam waktu yang cepat dan ukuran yang besar serta menghasilkan data yang akurat dan kuat. Untuk itu penelitian ini dirancang untuk menyelidiki karakter ukuran benih, endosperma, dan embrio dari 55 genotipe padi tropis menggunakan pendekatan analisis gambar serta analisis hubungan antar karakter. Penelitian dilaksanakan September-Oktober 2019. Sebanyak 400 benih berisi, 40 endosprema, dan 8 embrio dari setiap genotipe diambil untuk diselidiki karakter ukurannya. Hasil penelitian menunjukkan bahwa perbedaan genotipe berpengaruh signifikan (P-value < 0.001) terhadap ukuran benih, endosperma, dan embrio. Ukuran panjang benih padi tropis termasuk dalam benih berukuran sedang-sangat panjang dan memiliki korelasi yang signifikan positif (α < 0.01) dengan bobot 1000 butir gabah, luas benih, bentuk benih (length-to-width ratio), dan panjang endosperma. Karakter ukuran embrio (panjang, lebar, luas, dan keliling) berkorelasi signifikan positf (α < 0.05) dengan luas benih. Informasi dari hasil penelitian ini dapat menjadi pertimbangan dalam perbaikan tanaman padi tropis di masa mendatang
Karakterisasi Morfologi dan Evaluasi Aksesi Lokal Alpukat Pulau Bangka: Karakterisasi Morfologi dan Evaluasi Aksesi Lokal Alpukat Pulau Bangka
No full textAvocado has not become a leading commodity in the Bangka Belitung Islands Province. The potential for avocado development in this region is still open because it is supported by local germplasm. Characterization and evaluation of local avocado germplasm need to be carried out to improve plants and obtain superior varieties. Research on morphological characterization and evaluation of local accession avocado fruit was conducted in the Bangka Island region from September 2021 to August 2022. Research was conducted on 4 avocado plants that were considered to have the potential superior accession, i.e., Babel-1, Babel-2, Babel-3 and Babel-4. Observations were made on the qualitative and quantitative characteristics of the fruit. The UPGMA hierarchical grouping method was used to analyze the similarity of accessions and scoring assessment method was used to assess its superiority. Based on observations of the morphological characteristics of the fruit, Babel-1 and Babel-2 avocados have a similarity coefficient of 67%, Babel-4 avocados 62%, and Babel-3 avocados 57%. The scoring assessment of the Babel-1, Babel-2, Babel-3, and Babel-4 avocados was: 72; 69; 64; 70.Alpukat belum menjadi komoditas unggulan di Provinsi Kepulauan Bangka Belitung. Potensi pengembangan alpukat di wilayah ini masih terbuka karena didukung oleh plasma nutfah lokal. Karakterisasi dan evaluasi plasma nutfah alpukat lokal perlu dilakukan untuk perbaikan tanaman dan memperoleh varietas unggul. Penelitian karakterisasi morfologi dan evaluasi buah alpukat aksesi lokal telah dilakukan di wilayah Pulau Bangka mulai bulan September 2021 sampai dengan bulan Agustus 2022. Penelitian dilakukan terhadap 4 tanaman alpukat yang dinilai memiliki potensi sebagai aksesi unggul yaitu Babel-1, Babel-2, Babel-3 dan Babel-4. Pengamatan dilakukan terhadap karakteristik kualitatif dan kuantitatif buah. Metode pengelompokan hirarki UPGMA digunakan untuk analisa kemiripan aksesi dan metode penilaian skoring dilakukan untuk penilaian keunggulannya. Berdasarkan pengamatan karakteristik morfologi buah, alpukat Babel-1 dan Babel-2 memiliki koefisien kemiripan sebesar 67%, alpukat Babel-4 62%, dan alpukat Babel-3 57%. Penilaian skoring alpukat Babel-1, Babel-2, Babel-3, dan Babel-4 adalah: 72; 69; 64; 70
Breeding Methods for Antrachnose Resistant Chili Pepper in the Last Decade: A Review
No full textChili is one of the most economically valuable commodities cultivated worldwide. The high interest in chili can be attributed to capsaicin, which provides a spicy sensation when consumed. The level of interest in chili cultivation does not necessarily correlate with the yields obtained. The loss in production and yield can be attributed to the disruption of the Colletotrichum spp., which causes anthracnose disease. Breeding for anthracnose-resistant chili has been a focus of research for many scientists in various countries. Conventional and molecular methods are employed in the production of anthracnose-resistant chilies. This study will examine a range of articles and investigate the development of anthracnose-resistant chilies. The article was searched in the Scopus database. The articles were filtered based on the publication date range of 2014 to 2024, resulting in 343 articles. Furthermore, the articles were evaluated based on predetermined criteria, resulting in the identification of 22 articles. The breeding of anthracnose-resistant chili plants employs a range of conventional and molecular techniques to identify the most suitable lines. Various techniques, including crossing and different kinds of selection, were employed and validated through the development of molecular markers. Markers and genes have been identified, including RA80f6_r1, RA80f6_g1, RA80f6_g2, and RCT1, which are responsible for anthracnose resistance. This review provides an overview of the various anthracnose-resistant chili breeding methods.Chili is one of the most economically valuable commodities cultivated worldwide. The high interest in chili can be attributed to capsaicin, which provides a spicy sensation when consumed. The level of interest in chili cultivation does not necessarily correlate with the yields obtained. The loss in production and yield can be attributed to the disruption of the Colletotrichum spp., which causes anthracnose disease. Breeding for anthracnose-resistant chili has been a focus of research for many scientists in various countries. Conventional and molecular methods are employed in the production of anthracnose-resistant chilies. This study will examine a range of articles and investigate the development of anthracnose-resistant chilies. The article was searched in the Scopus database. The articles were filtered based on the publication date range of 2014 to 2024, resulting in 343 articles. Furthermore, the articles were evaluated based on predetermined criteria, resulting in the identification of 22 articles. The breeding of anthracnose-resistant chili plants employs a range of conventional and molecular techniques to identify the most suitable lines. Various techniques, including crossing and different kinds of selection, were employed and validated through the development of molecular markers. Markers and genes have been identified, including RA80f6_r1, RA80f6_g1, RA80f6_g2, and RCT1, which are responsible for anthracnose resistance. This review provides an overview of the various anthracnose-resistant chili breeding methods
Kualitas Benih dan Pertumbuhan Kedelai yang Berasal dari Jenis Tanah dan Sistem Pertanaman Berbeda
Full text linkSoybean is one of the national strategic commodities. The increasing of soybeans needs, it is necessary to prepare the high quality seed. Different environmental conditions such as soil condition and cropping system will affect the quality of seed. The aimed of this study was to investigates the quality of soybean seed from different types of soil and cropping system. The research was conducted experimentally using Randomized Block Design (RBD) with two factors. The first factor is the source of seeds that come from two types of soil, namely peat and mineral. The second factor is seeds that come from monoculture and intercropping. Based on the results of the study, it showed that the fat and protein content of soybean seeds from seeds planted on mineral soils was better than seeds from peat soils. Planting soybean seeds in peat soil can increase the fiber and carbohydrate content of the seeds as well as the viability and vigor of the seeds. Intercropping system increased protein and fiber content of seed, but not affect its vegetative growth.Kedelai merupakan salah satu komoditas strategis nasional. Seiring dengan pemenuhan kebutuhan kedelai maka perlu disiapkan benih yang mempunyai kualitas tinggi. Perbedaan kondisi lingkungan seperti kondisi tanah dan sistem pertanaman akan mempengaruhi kualitas benih yang dihasilkan. Penelitian ini bertujuan untuk mengetahui kualitas benih kedelai yang berasal dari penanaman pada dua jenis tanah dan sistem pertanaman yang berbeda. Penelitian dilakukan secara eksperimen dengan menggunakan Rancangan Acak Kelompok Lengkap (RAKL) faktorial yang terdiri dari dua faktor dengan 4 blok sebagai ulanganulangan.kelompok . Faktor pertama adalah sumber benih yang berasal dari dua jenis tanah yaitu gambut dan mineral. Faktor kedua merupakan benih yang berasal dari penanamnanm secara monokultur dan tumpangsari. Hasil penelitian menunjukan bahwa kandungan lemak dan protein biji kedelai yang berasal dari benih yang ditanam di lahan mineral lebih baik dibandingkan benih yang berasal dari tanah gambut. Penanaman benih kedelai di tanah gambut dapat meningkatkan kandungan serat dan karbohidrat biji serta viabilitas dan vigor benih. Penanaman secara tumpang sari meningkatkan kandungan protein dan serat benih namun tidak mempengaruhi pertumbuhan bibit
Keanekaragaman dan Kunci Identifikasi Lalat Buah Berdasarkan Inang Tanaman Buah di Kabupaten Bangka, Bangka Belitung : Keanekaragaman dan Kunci Identifikasi Lalat Buah Berdasarkan Inang Tanaman Buah di Kabupaten Bangka, Bangka Belitung
No full textFruit flies are common pests of edible and commercial fruit crops. The presence of fruit flies can be detected using male attractant, but the species obtained mostly unknown on the host plant. The host rearing method for fruit infested with fruit flies can be use to see the distribution of host plant species and families. This research aims to determine the diversity of fruit flies pest species and the distribution of their host plants on horticultural fruit cultivated in Bangka Regency, Bangka Belitung Islands Province. A total of eight sub-districts in Bangka Regency surveyed using purposive sampling. The results showed that nine species of fruit plants were infested by six species of fruit flies. Five species of fruit flies have pest status, namely Bactrocera albistrigata, Bactrocera carambolae, Bactrocera dorsalis, Bactrocera sp1, and Zeugodacus cucurbitae and one species has non-pest status, namely Bactrocera mcgregori. Bactrocera dorsalis infested eight of the nine host plants. Bactrocera dorsalis, Bactrocera carambolae, and Bactrocera albistrigata were found in eight sub-districts. The fruit flies Bactrocera dorsalis and Bactrocera carambolae are the dominant species in Bangka Regency, Bangka Belitung.Lalat buah merupakan hama yang umum pada komoditas tanaman buah edible dan komersial. Keberadaan lalat buah dapat dideteksi dengan male atraktan, namun spesies yang diperoleh tidak diketahui tanaman inangnya. Metode host rearing dari tanaman buah yang terinfestasi lalat buah dapat digunakan untuk melihat sebaran spesies dan famili tanaman inangnya. Penelitian ini bertujuan mengetahui keanekaragaman spesies hama lalat buah dan distribusi tanaman inangnya pada hortikultura buah yang dibudidayakan di Kabupaten Bangka, Provinsi Kepulauan Bangka Belitung. Sebanyak delapan kecamatan di Kabupaten bangka di survei secara purposive sampling. Hasil penelitian menunjukkan sebanyak sembilan spesies tanaman buah diinfestasi oleh enam spesies lalat buah. Lima spesies lalat buah berstatus hama yaitu Bactrocera albistrigata, Bactrocera carambolae, Bactrocera dorsalis, Bactrocera sp1, dan Zeugodacus cucurbitae dan satu spesies berstatus non hama yaitu Bactrocera mcgregori. Bactrocera dorsalis menginfestasi delapan dari sembilan tanaman inang. Bactrocera dorsalis, Bactrocera carambolae, dan Bactrocera albistrigata ditemukan di delapan kecamatan. Lalat buah Bactrocera dorsalis dan Bactrocera carambolae adalah spesies dominan di Kabupaten Bangka, Bangka Belitung