The Characterization of Two Superior Varieties of Banana from Lumajang Regency East Java. Lumajang regency is one of the banana production centre in East Java having highdiversity of banana germ plasm. There are 33 cultivars of banana germ plasm in the regency, consist of The aim of this study were to identify, characterize, and inventarize of banana tree and use as reference characteristics of banana tree. The characteristic of banana's Agung Semeru variety could be seen by the colour of pseudostem (light red), the uniqueness of fruit set, number of sucker per cluster (only 1-2 suckers per cluster), the size of the finger (33-36 cm long) and 19 cm around) and the number of hand per bunch (only 1-2 hand per bunch) with the weight around 10-20 kg/bunch. Superior characteristics of the Agung Semeru variety were the thickness of fruit skin, the long period of fruit storage (3-4 weeks after harvesting) and the sweetness of fruit flesh. Even though the skin changes from yellow to black, the flesh still could be consume, because it doesn't become soft. This variety could be used for the raw material of small and middle home industries. The characteristic of banana Mas Kirana variety could be seen by the colour of pseudostem (brownish-red), number of sucker per cluster (only 2-3 suckers per cluster), the size of the finger was small and prefered by the consumer with yellowish colour, the weight around 11-13 kg/bunch. Superior characteristics of the Mas Kirana variety were sweetness, fresh and crispy of fruit flesh, beside those character also could be used for banana's cakes and had short period of production. In additions those varieties were also resistant to the Sygatoka disease compared to other plantain cultivars.Keywords: Banana, characterization, superior variety. ABSTRAKKabupaten Lumajang Jawa Timur, merupakan salah satu wilayah yang mempunyai keragaman plasma nutfah pisang. Di daerah ini terdapat 33 plasma nutfah pisang yang terdiri atas pisang sebagai buah meja dan pisang olahan. Varietas unggul pisang di Kabupaten Lumajang adalah Agung Semeru (Musa paradisiaca) sebagai pisang olahan dan Mas Kirana (Musa acumunata) sebagai buah segar. Kedua varietas pisang tersebut tumbuh pada ketinggian 450-650 m dpl. Eksplorasi dilakukan dengan cara mengumpulkan dan mengidentifikasi tanaman, bentuk tumbuhan, dan habitat. Kegiatan eksplorasi dilakukan di dua kecamatan, yaitu Senduro dan Pasrujambe, pada bulan Mei 2006 hingga Maret 2007. Tujuan kegiatan ini adalah untuk mengidentifikasi, menginventarisasi, dan mengkarakterisasi tanaman pisang, sehingga dapat disusun berbagai karakter tanaman. Karakteristik pisang varietas Agung Semeru terlihat dari warna batang (merah terang), pembentukan buah yang unik, jumlah anakan 1-2 anakan/rumpun, di samping itu ukuran buah besar (keliling buah 19 cm) dan panjang (33-36 cm), jumlah sisir 1-2 sisir/tandan dengan bobot 10-20 kg/tandan. Keunggulan lain dari pisang varietas Agung Semeru adalah kulit buah tebal sehingga tahan disimpan 3-4 minggu setelah petik dan rasa buah manis. Wal...
One of the onion increasing production problem is the lack of quality seeds availability. In order to provide high quality seeds of high yield and available throughout the year, an improvement of seed technology is required. One of the developing onion seed technologies is onion seeding through TSS (true seed of shallot). TSS technology development is expected to overcome the problem of onion seeding in Indonesia. East Java as one of the production centers of onion requires in developing onion seeding technology through TSS. This study aims to apply and develop TSS production technology using Trisula varieties which has been done from April to December 2016 in Tulungrejo village, Bumiaji district, Batu. The result of TSS production technology implementation indicates that Trisula variety is able to produce 110,5 kg TSS. Based on its agro-ecology, Batu area has the potential as the center of TSS production in East Java.
True Seed Shallot (TSS) of shallot is shallot seed origin as solution of seed availability problem. Generally, farmers still use bulb seed for shallot production. This is because the aspect of shallot cultivation using TSS seed is still to be reviewed. The research objective was to known performance of growth and production of TSS in East Java. The Research was carried out in 2017 until 2018 at Probolinggo District and Batu city, using 2 (two) varieties, namely Trisula and Biru Lancor. The results showed that the growth phase of the Biru Lancor variety showed a better value than Trisula in each location with plant height (64.4 cm), number of leaves (78.2), number of tillers (14.5) and number of flowers (4,8). The generative phase showed that Trisula variety produced higher TSS yields but lower yields for bulb seed, whereas for Biru Lancor varieties the TSS yield was lower than bulb seed yields. Biru Lancor variety is also more resistant to environmental conditions but more susceptible to pest attack and the Trisula variety shows the opposite.
Lumajang regency is one of the banana production centre in East Java having high- diversity of banana germ plasm. There are 33 cultivars of banana germ plasm in the regency, consist of eaten ripe and plantain. One of uniqe plantain used as the symbol of Lumajang regency is plantain Agung Semeru variety, the local superior variety of this regency. This variety can grow well at 450 – 650 m above sea level. The uniqueness of banana Agung Semeru variety can be seen by the number of sucker per cluster (only 1 – 2 suckers per cluster), the size of the finger (33 – 36 cm long and 19 cm around) and the number of hand per bunch (only 1 – 2 hand per bunch). Other characteristics of the variety are the thickness of fruit skin, the long period of fruit storage (3 – 4 weeks after harvesting) and the sweetness of fruit flesh. Even though the skin changes from yellow to black, the flesh still can be consumed, because it doesn’t become soft. This variety also resistant to the Sigatoka disease compared to other plantain cultivars.
This study aimed to examine plant growth of tomato grafted onto different eggplant rootstocks. We applied a randomized block design comprising twelve treatments with three replicates. Three varieties of tomato—Cervo, Karina, and Timoty—and three rootstocks—Gelatik, EG203 line, and Solanum torvum—were selected for this study. Nongrafted tomato plants of the same varieties were used as controls. The variables recorded were the number of branches, the diameter of scions and rootstocks, root length, and root dry weight at 4, 6, 8, and 10 weeks after planting (WAT) and relative growth rate, specific leaf area, and net assimilation rate at 4, 8, and 12 WAT. Grafted tomato plants demonstrated better growth than controls. There was a significant relationship between yield, plant growth parameters, and photosynthetic organs, expressed by higher production, greater scion diameter, longer roots, and increased relative growth rate, leaf area ratio, and net assimilation rate of grafted plants, compared to the controls.
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