Pengaruh Naungan dan Dosis Pupuk Urea Terhadap Pertumbuhan dan Hasil Tanaman Stevia

Nurrizal., Rd. Febrian and Prof. Dr. Ir. Tatik Wardiyati,, MS. and Dr. Mochammad Roviq,, SP., MP. (2023) Pengaruh Naungan dan Dosis Pupuk Urea Terhadap Pertumbuhan dan Hasil Tanaman Stevia. Sarjana thesis, Universitas Brawijaya.

Abstract

RINGKASAN Rd. Febrian Nurrizal. 185040201111153. Pengaruh Naungan dan Dosis Pupuk Urea Terhadap Pertumbuhan dan Hasil Tanaman Stevia. Di bawah bimbingan Prof. Dr. Ir. Tatik Wardiyati, MS. dan Dr. Mochammad Roviq, SP., MP. Tanaman stevia merupakan salah satu bahan pemanis alami alternatif yang banyak digunakan sebagai pengganti gula tebu konvensional karena memiliki kandungan steviosida dan rebaudiosida yaitu zat yang memberikan rasa manis 300 kali lebih tinggi dibanding kandungan sukrosa dalam tebu. Upaya meningkatkan produksi tanaman stevia dapat dilakukan dengan pemberian nutrisi yang mendukung pertumbuhan vegetatif tanaman stevia yaitu pupuk nitrogen. Selain pemberian pupuk nitrogen upaya lainnya yang dapat dilakukan untuk meningkatkan produksi tanaman stevia yaitu dilakukan dengan pemberian naungan yang berbeda. Penelitian membandingkan tanaman dengan tanpa naungan, naungan 30% dan naungan 60% serta dosis pupuk urea 0% (kontrol), 50% (0,61 g), 100% (1,23 g) and 150% (1,84 g) / polybag. Sehingga terdapat 12 plot percobaan. Penelitian ini dilakukan dengan 3 kali ulangan. Hipotesis penelitian ini yaitu diduga terdapat interaksi antara pemberian pupuk urea dan naungan, juga terdapat dosis pupuk urea optimum dan naungan terbaik. Penelitian ini dilaksanakan dengan metode rancangan petak terbagi yaitu dengan faktor naungan dan dosis pupuk urea. Pengamatan pertumbuhan tanaman terdiri dari tinggi tanaman, jumlah daun, luas daun, bobot basah daun, bobot kering daun dan kandungan kemanisan daun (brix). Data pengamatan dianalisis dengan Anova taraf 5% dan dilanjutkan dengan uji lanjut Beda Nyata Terkecil (BNT) taraf 5% apabila hasil pengujian Anova berbeda nyata. Hasil analisis ragam yang ada menunjukkan terdapat hasil yang berbeda pada perlakuan naungan di pengamatan tinggi tanaman pada 20 – 50 HST. Pada perlakuan dosis pupuk urea, tinggi tanaman berbeda nyata pada 20, 40 50 dan 60 HST. Pada pengamatan jumlah daun, perlakuan pupuk urea didapatkan hasil yang didapat berbeda nyata pada 20 – 60 HST. Perlakuan naungan pada pengamatan jumlah daun didapatkan hasil yang berbeda nyata pada umur 20 - 50 HST. Perlakuan naungan pada 20 - 50 HST pada pengamatan luas daun didapat hasil yang berbeda nyata. Sedangkan pada perlakuan pupuk urea didapatkan hasil yang berbeda nyata pada 20 – 60 HST. Hasil analisis ragam juga menunjukan pada perlakuan naungan di pengamatan bobot segar daun berbeda nyata pada 40, 50 dan 60 HST, sedangkan pada perlakuan pupuk urea pada pengamatan bobot kering daun berbeda nyata pada semua umur pengamatan. Pada pengamatan kandungan padatan terlarut (°Brix) baik perlakuan naungan maupun pupuk urea berbeda nyata pada 40 dan 50 HST.

English Abstract

SUMMARY Rd. Febrian Nurrizal. 185040201111153. Effect of Share and Dosage of Urea Fertilizer on Growth and Production of Stevia. Supervised by Prof. Dr. Ir. Tatik Wardiyati, MS. and Dr. Mochammad Roviq, SP., MP. The stevia plant is an alternative natural sweetener that is widely used as a substitute for conventional cane sugar because it contains steviosides and rebaudiosides, substances that give a sweet taste 300 times higher than the sucrose content in sugarcane. Efforts to increase the production of stevia plants can be conducted by providing nutrients that support the vegetative growth of stevia plants, called nitrogen fertilizers. Apart from applying nitrogen fertilizer, other efforts that can be made to increase the production of stevia plants are carried out by providing different shading. The study compared plants with no shade, 30% shade and 60% shade and doses of urea fertilizer 0% (control), 50% (0,61 g), 100% (1,23 g) and 150% (1,84 g) / polybags. There were 12 experimental plots. This treat was conducted with 3 replication. The hypothesis of this study is that there is an interaction between urea fertilizer application and shading, there was also an optimum dose of urea fertilizer and the best shade. This research was carried out using a split plot design method, namely the shade factor and the dose of urea fertilizer. Observation of plant growth consisted of plant height, number of leaves, leaf area, Fresh weight leaf, leaf dry weight and dissolved solids content (°Brix). Observational data were analyzed with ANOVA at 5% level and continued with the Least Significant Difference (LSD) test at 5% level if the ANOVA test results were significantly different. The results of the existing analysis of variance showed that there were different results in the shade treatment in the observation of plant height at 20 – 50 DAP. In the treatment of urea fertilizer doses, plant height was significantly different at 20, 40 50 and 60 DAP. In observing the number of leaves, the urea fertilizer treatment showed significantly different results at 20 – 60 DAP. The shading treatment on the observation of the number of leaves obtained significantly different results at the age of 20 - 50 DAP. Shade treatment at 20 - 50 DAP on leaf area observations obtained significantly different results. Whereas in the urea fertilizer treatment, significantly different results were obtained at 20 – 60 DAP. The results of the analysis of variance also showed that the shading treatment observed leaf fresh weight was significantly different at 40, 50 and 60 DAP, whereas in the urea fertilizer treatment the leaf dry weight observation was significantly different at all ages of observation. In observing the dissolved solids content (°Brix) for both the shading treatment and urea fertilizer were significantly different at 40 and 50 DAP.

Item Type:	Thesis (Sarjana)
Identification Number:	052304
Divisions:	Fakultas Pertanian > Budidaya Pertanian
Depositing User:	Unnamed user with username saputro
Date Deposited:	09 Jan 2024 08:48
Last Modified:	09 Jan 2024 08:48
URI:	http://repository.ub.ac.id/id/eprint/206922

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