Aplikasi Teknik Hydropriming untuk Meningkatkan Invigorasi Benih Kapas Cokelat pada Tahap Perkecambahan
Application of Hydropriming Technique to Improve the Invigoration of Brown Cotton Seeds at the Growth Stage
Abstract
Kapas salah satu penghasil serat alam yang memiliki peran penting dalam industri tekstil dan berpengaruh pula pada bidang pertanian, industri dan sektor ekonomi suatu negara. Namun, secara morfologi tanaman ini memiliki tekstur kulit benih yang tergolong keras dan berpengaruh terhadap tingkat dormansi benih yang berdampak terhadap viabilitas benih kapas. Penelitian ini bertujuan untuk (1) memperoleh informasi terkait kualitas benih berdasarkan fenotipe benih, (2) memperoleh media tanam terbaik untuk perkecambahan benih kapas cokelat, (3) dan memperoleh waktu perendaman terbaik menggunakan suhu sesaat 80°C dalam meningkatkan perkecambahan benih kapas. (4) memperoleh kombinasi perlakuan antara media tanam dan lama perendaman yang terbaik dalam meningkatkan invigorasi benih. Penelitian ini dilaksanakan di Laboratorium Fakultas Pertanian, Peternakan, dan Perikanan Universitas Muhammadiyah Parepare pada bulan Juli 2023. Penelitian ini menggunakan rancangan faktorial yang terdiri atas dua faktor. Faktor pertama yaitu jenis media perkecambahan dan faktor kedua yaitu taraf waktu perendaman menggunaan suhu sesaat 80°C. Berdasarkan hasil penelitian yang diperoleh, perlakuan perendaman benih dengan suhu 80°C sesaat selama 18 jam mampu meningkatkan keserempakan tumbuh, kecepatan tumbuh, indeks vigor, dan viabilitas benih kapas denga rerata masing-masing 77,20 %/etmal; 90,07%; 86,735 dan 94,33%. Sedangkan panjang kecambah terbaik ditunjukkan oleh perlakuan dengan perendaman suhu 80°C sesaat selama 6 jam.
Cotton is a natural fiber producer which has an important role in the textile industry and also has an influence on agriculture, industry and the economic sector of a country. However, morphologically, this plant has a relatively hard seed coat texture and this affects the level of seed dormancy which has an impact on the viability of cotton seeds. This research aims to (1) obtain related seed quality based on seed phenotype, (2) obtain the best planting medium for germinating brown cotton seeds, (3) and obtain the best soaking time using an instantaneous temperature of 80°C to increase cotton seed germination, and (4) obtain the best combination of treatment between planting media and soaking time to increase seed invigoration. This research was carried out at the Agriculture, Livestock and Fisheries Laboratory, Muhammadiyah University of Parepare in July 2023. This research used a factorial design consisting of two factors from the Faculty. The first factor is the type of germination media and the second factor is the level of soaking time using a temperature of 80°C. Based on the research results obtained, seed soaking treatment at a temperature of 80°C for 18 hours was able to increase growth synchrony, growth speed, vigor index, and viability of cotton seeds by an average of 77.20%/ethmal each; 90.07%; 86.735 and 94.33%. Meanwhile, the best length of sprouts was achieved by soaking at 80°C for 6 hours.
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