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      Produktivitas Empat Tipe Varietas Padi serta Pengaruh Paclobutrazol terhadap Ukuran Gabah Padi Pada Lahan Sawah Irigasi

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      Date
      2023-07
      Author
      Palupi, Retno
      Aswidinnoor, Hajrial
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      Abstract
      Penggunaan empat tipe varietas padi diharapkan dapat memperoleh jenis tipe varietas yang menghasilkan produktivitas tertinggi. Varietas padi tipe japonica menunjukkan adaptasi pertumbuhan yang lambat. Penelitian bertujuan mempelajari keragaan karakter agronomi dan produktivitas empat tipe varietas padi di lahan sawah irigasi. Penelitian dilaksanakan di Kebun Percobaan Sawah Baru, Departemen Agronomi dan Hortikultura, IPB University pada bulan Februari sampai Juni 2020. Rancangan percobaan menggunakan desain Rancangan Kelompok Lengkap Teracak (RKLT) 3 ulangan, sehingga diperoleh 12 satuan percobaan. Sebagai tambahan terhadap perlakuan tipe varietas, pada masimg masing perlakuan dicoba diaplikasikan ZPT paclobutrazol sebanyak 2 kali dengan konsentrasi kontrol (0), 5, 10, 15, dan 20 ppm. Hasil penelitian menunjukkan bahwa empat tipe varietas padi yang diteliti memiliki hasil yang berbeda pada beberapa karakter yang diamati meliputi, tinggi tanaman, jumlah anakan, panjang malai, jumlah gabah total per malai, dan jumlah gabah bernas per malai. Pemberian paclobutrazol (5, 10, 15, 20 ppm) pada keempat tipe varietas padi yang diuji tidak menunjukan perubahan hasil yang signifikan terhadap karakter bobot 1000 butir dan produktivitas.
       
      The use of four types of rice varieties is expected to obtain the types of varieties that produce the highest productivity. Japonica rice varieties show slow growth adaptation. This research aimed to obtain the agronomic characteristics and productivity of four types of rice varieties in irrigated paddy fields. The experiment was conducted at Sawah Baru Experimental Garden, Department of Agronomy and Horticulture, IPB University from February to June 2020. The experiment was arranged in Randomized Complete Block Design (RCBD) with 3 replications, so that 12 experimental units were obtained. In addition to the variety type treatment, paclobutrazol was used for each treatment twice with control concentrations (0), 5, 10, 15, and 20 ppm. The results showed that the four types of rice varieties studied had different results on several observed characters including plant height, number of tillers, panicle length, total number of grain per panicle, and number of full grain per panicle. The application of paclobutrazol (5, 10, 15, 20 ppm) to the four types of rice varieties tested did not show significant changes in 1000 grain weight and productivity.
       
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      http://repository.ipb.ac.id/handle/123456789/122893
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      • UT - Agronomy and Horticulture [7462]

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