Interaction of PGR Paclobutrazol and Nitrogen Nutrient on Growth and Yield of Potato (Solanum tuberosum L.) Granola L. Variety

Deisire N. S. Darus, S. Runtunuwu, E. F. Lengkong, S. Tulung
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Abstract

This study aims to analyze the interaction between paclobutrazol (PBZ) with Nitrogen (N) nutrients on the growth and yield of potato (Solanum tuberosum L.) var. Granola L. It was conducted in Mokobang Village, Modoinding District, South Minahasa Regency. This research was carried out in the form of field experiments and laboratory analysis. The treatment consisted of two factors: A. PBZ at doses: 1) 3 kg PBZ/ha, 2) 3.5 kg PBZ/ha, and 3) 4 kg PBZ/ha. B. Nitrogen nutrient at doses: 1) 200 kg N/ha, 2) 250 kg N/ha, 3) 300 kg N/ha. The placement used RGD and each treatment was repeated 3 times, there were 27 combinations (3 x 3 x 3). The results showed an interaction between the growth and yield of potato plants. Generally, higher doses of PBZ and N increased the growth of plant height, number of leaves, number of branches, leaf wet weight and dry weight, stem wet weight and dry weight, root wet weight and dry weight, plant wet weight and dry weight, and leaf chlorophyll content and tuber yield. The interaction of PBZ and N increased the tuber yield of potato plants per hectare. The highest tuber productivity resulted from the treatment of 4 kg PBZ and 200 kg N/ha (P3N1) at 37.9 tons/ha, while the lowest productivity resulted from the combination of 3 kg PBZ and 250 kg N/ha (P1N2) at 27.3 tons/ha. Keywords: Interaction, Paclobutrazol (PBZ), Nitrogen (N), Solanum tuberosum L. var. Granola L.   Abstrak Penelitian ini bertujuan untuk menganalisis interaksi antara paclobutrazol (PBZ) dengan hara Nitrogen (N) terhadap pertumbuhan dan hasil kentang (Solanum tuberosum L.) var. Granola L. Dilaksanakan di Desa Mokobang Kecamatan Modoinding Kabupaten Minahasa Selatan. Penelitian ini dilaksanakan dalam bentuk percobaan lapangan dan analisis laboratorium. Perlakuan terdiri dari dua faktor yaitu: A. PBZ diberikan pada umur 6 MST, dengan dosis: 1) 3 kg PBZ/ha, 2) 3,5 kg PBZ/ha dan 3) 4 kg PBZ/ha. B. pupuk N diberikan pada umur 4 dan 6 MST, dengan dosis: 1) 200 kg N/ha, 2) 250 kg N/ha, 3) 300 kg N/ha. Penempatan menggunakan RAK dan setiap perlakuan diulang 3 kali, terdapat 27 kombinasi (3 x 3 x 3). Hasil penelitian menunjukkan adanya interaksi terhadap pertumbuhan dan hasil tanaman kentang. Umumnya, makin tinggi dosis PBZ dan N meningkatkan pertumbuhan tinggi tanaman, jumlah daun, jumlah cabang, berat basah dan berat kering daun, berat basah dan berat kering batang, berat basah dan berat kering akar, berat basah dan berat kering tanaman, kandungan klorofil daun, dan hasil umbi. Interaksi PBZ dan N meningkatkan hasil umbi tanaman kentang per hektar. Produktivitas umbi tertinggi dihasilkan dari perlakuan 4 kg PBZ dan 200 kg N/ha (P3N1) yaitu 37.9 ton/ha, sedangkan produktivitas terendah dihasilkan dari kombinasi 3 kg PBZ dan 250 kg N/ha (P1N2) yaitu 27.3 ton/ha. Kata kunci: Interaksi, Paclobutrazol (PBZ), Nitrogen (N), Solanum tuberosum L. var. Granola L.
PGR Paclobutrazol 和氮营养素对马铃薯(Solanum tuberosum L.)Granola L. 品种的生长和产量的交互作用
本研究旨在分析吡唑醚菌酯(PBZ)与氮(N)养分对马铃薯(Solanum tuberosum L.)Granola L.变种的生长和产量的相互作用。研究以田间试验和实验室分析的形式进行。处理包括两个因素A. PBZ 剂量1)3 千克 PBZ/公顷;2)3.5 千克 PBZ/公顷;3)4 千克 PBZ/公顷。B. 氮肥剂量1) 200 千克氮/公顷,2) 250 千克氮/公顷,3) 300 千克氮/公顷。采用 RGD 放置,每个处理重复 3 次,共有 27 个组合(3 x 3 x 3)。结果表明,马铃薯植株的生长和产量之间存在相互作用。一般来说,PBZ 和氮的剂量越大,植株高度、叶片数、分枝数、叶片湿重和干重、茎杆湿重和干重、根部湿重和干重、植株湿重和干重、叶片叶绿素含量和块茎产量都会增加。PBZ 和氮的交互作用提高了马铃薯植株的每公顷块茎产量。4 千克 PBZ 和 200 千克氮/公顷(P3N1)处理的块茎产量最高,为 37.9 吨/公顷,而 3 千克 PBZ 和 250 千克氮/公顷(P1N2)组合的产量最低,为 27.3 吨/公顷。关键词交互作用 PBZ 氮素 Solanum tuberosum L. var. Granola L. Abstrak Penelitian ini bertujuan untuk menganalisis interaksi antara paclobutrazol (PBZ) dengan hara Nitrogen (N) terhadap pertumbuhan dan hasil kentang (Solanum tuberosum L.) var.Dilaksanakan di Desa Mokobang Kecamatan Modoinding Kabupaten Minahasa Selatan.该研究的主要内容是实验室研究和分析。这些参数包括:A. 在夏季第 6 天施用 PBZ,剂量为:1) 3 千克 PBZ/公顷,2) 3.5 千克 PBZ/公顷,3) 4 千克 PBZ/公顷。B. 在生长期第 4 和第 6 个月期间施用氮素,施用量分别为:1) 200 千克氮素/公顷,2) 250 千克氮素/公顷,3) 300 千克氮素/公顷。每公顷施肥量为 3 公斤,每亩施肥量为 27 公斤(3 x 3 x 3)。该计划的目的是加强与当地居民和社区居民的互动。因此,PBZ 和 N 的用量可用于治疗哮喘、肺结核、哮喘病、哮喘基础护理、哮喘基础护理、哮喘基础护理、哮喘基础护理、哮喘基础护理、哮喘病护理、哮喘病治疗和哮喘病预防。PBZ 和 N 之间的交互作用可提高每项工作的工作效率。每公顷 4 千克 PBZ 和 200 千克 N(P3N1)的脐橙产量为 37.9 吨/公顷,而每公顷 3 千克 PBZ 和 250 千克 N(P1N2)的脐橙产量为 27.3 吨/公顷。关键词: Interaksi、Paclobutrazol (PBZ)、Nitrogen (N)、Solanum tuberosum L. var.
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