Penelitian ini bertujuan untuk mengkaji dosis paklobutrazol dan jenis media tanam yang sesuai untuk meningkatkan pertumbuhan da produksi tanaman. Penelitian ini dilaksanakan di Balai Penelitian Tanaman Sayuran, Lembang, Bandung. Penelitian menggunakan Rancangan Acak Kelompok pola faktorial 4x4 dengan 5 kelompok sebagai ulangan. Faktor pertama adalah pemberian dosis paklobutrazol yang berbeda yaitu P0 : dosis paklobutazol 0 ppm (kontrol), P1 : dosis paklobutazol 50 ppm, P2 : dosis paklobutazol 100 ppm, dan P3 : dosis paklobutazol 150 ppm. Faktor kedua adalah jenis media tanam yang berbeda yaitu M0 : tanah (kontrol) , M1 : tanah + arang sekam, M2 : tanah + vermikompos dan M3 : tanah + kompos. Data yang didapat kemudian dianalisis ragam (ANOVA) dilanjutkan dengan Duncan Multiple Range Test. Hasil penelitian menunjukkan bahwa pemberian paklobutrazol dengan dosis 50 ppm memberikan pengaruh terhadap tinggi tanaman, jumlah daun, panjang umbi serta berat segar umbi. Penggunaan media tanam berupa vermikompos memberikan pengaruh terhadap tinggi tanaman, jumlah daun, berat kering umbi, berat segar umbi, berat segar tajuk dan berat kering umbi. Tidak adanya interaksi yang didapatkan dari pemberian paklobutrazol dan penggunaan media tanam yang berbeda terhadap semua parameter yang diamati.
Background: Chronic Kidney Disease (CKD) is a progressive and irreversible damage to kidney function (GFR < 60 ml / minute / 1.73 m2). The function of the kidneys is to maintain stability, electrolyte level, osmolarity of extracellular fluid and excrete products such as urea, uric acid, and creatinine. CKD disrupts electrolyte fluid balance and uremia, thus requiring renal replacement therapy in the form of dialysis or kidney transplantation. Different levels of urea, sodium, potassium, and chloride pre-and post-hemodialysis can be a consideration for the management of hemodialysis in CKD patients. This study aimed to determine the difference in urea, sodium, potassium, and chloride pre-and post-hemodialysis in CKD patients. Method: This was a cross-sectional analytical observational study of pre-and post hemodialysis conducted from September to October 2018. Normally distributed data were analyzed using the paired t-test, while data that were not normally distributed were Pendahuluan: Penyakit Ginjal Kronik (PGK) merupakan kerusakan fungsi ginjal yang progresif dan ireversibel (LFG < 60 ml / menit / 1.73 m 2). Ginjal memiliki peran mempertahankan stabilitas volume, komposisi elektrolit, osmolaritas cairan ekstraseluler serta mengekskresikan produk seperti urea, asam urat dan kreatinin. PGK menyebabkan gangguan keseimbangan cairan elektrolit dan uremia, sehingga memerlukan terapi pengganti ginjal berupa dialisis atau transplantasi ginjal. Perbedaan kadar ureum, natrium, kalium, dan klorida pra dan paska hemodialisa dapat menjadi pertimbangan untuk pengelolaan pelayanan hemodialisa pada pasien PGK. Tujuan dari penelitian ini adalah mengetahui perbedaan kadar ureum, natrium, kalium, dan klorida pra dan paska hemodialisa pada pasien dengan PGK. Metode: Ini merupakan penelitian observasional analitik potong lintang (cross sectional) pra dan paska hemodialisa pada periode September-Oktober 2018. Data dengan distribusi normal analyzed using the Wilcoxon test. It was considered significant when the p-value was < 0.05. Results: There was a total of 50 patients consisting of 30 males (60.0%) and 20 females (40.0%). The mean age of the patients was 51.10 ± 7.48 years. The level of pre-hemodialysis urea (161.96 ± 53.80 mg / dL) was significantly different from post-hemodialysis (120.70 ± 40.84 mg / dL). The level of pre-hemodialysis sodium (134.5 mmol / L) was significantly different from post-hemodialysis (140 mmol / L). The level of pre-hemodialysis potassium (5.6 mmol / L) was significantly different from post-hemodialysis (4.6 mmol / L). The level of pre-hemodialysis chloride (100 mmol / L) was significantly different from post-hemodialysis (96 mmol / L). Conclusion: There was a significant difference in urea, sodium, potassium, and chloride between pre-and post-hemodialysis (p < 0.05).
Teak is a wood-producing plant that is in great demand by the community. However, teak seeds are challenging to germinate due to dormancy, so special treatment is needed before planting. This research aimed to determine the effect of hydrochloric acid and soaking time on breaking the dormancy of teak seed to improve its viability. The first factor was the concentration of hydrochloric acid with four treatment levels, i.e., 0 M, 0.5 M, 1 M, and 1.5 M. The second factor was submerging time which was 12, 18, and 24 hours. Parameters observed included the percentage of germination, maximum growth potential, vigor index, germination rate, growth simultaneity, plant height, number of leaves, and wide leaf. The data obtained were analyzed statistically using ANOVA and followed the DMRT test with a level of 5%. The results showed that hydrochloric acid significantly affected the percentage of germination, maximum growth potential, vigor index, germination rate, growth simultaneity, plant height, and width of the leaf. In addition, soaking time treatment had a significant effect on the wide leaf. The research concluded that hydrochloric acid 0.5 M and 12 hours of soaking time increased the growth of teak seed compared to the control by 29.64% on a percentage of germination, 29% on germination rate, and 41.66% on growth simultaneity.
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