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Agrotrop : Journal on Agriculture Science
Published by Universitas Udayana
ISSN : 2088155X     EISSN : 26544008     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Journal AGROTROP
Arjuna Subject : -
Articles 14 Documents
 1   2 
Search results for , issue "Vol 13 No 1 (2023)" : 14 Documents clear
Penemuan Kandungan Asam Giberellin (GA3) pada Ekstrak Beberapa Jenis Tumbuhan I NYOMAN GEDE ASTAWA; KHAMDAN KHALIMI
Agrotrop : Journal on Agriculture Science Vol 13 No 1 (2023)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/AJoAS.2023.v13.i01.p13

Abstract

The Discovery of the Content of Giberellin Acid (GA3) in Extracts of Several Plant Spesies. Several studies have found that the application of growth regulator Giberellin can induce seedless in seeded varieties and also improve fruit quality in non-seeded varieties of grapes. It is also directly responsible for cell division and is used in horticulture to promote seed germination. The high price makes it unaffordable for farmers, especially in Indonesia, so it is necessary to look for other sources of GA3 which comes from extracts of plant species in Indonesia. The aims of this study were: To detect the content of gibberellin acid (GA3) in several plant species; The research was conducted at the Agronomy & Horticulture Laboratory, Faculty of Agriculture, Udayana University. The results of the study found that fresh corn kernels (Zea mays L.), young bamboo shoots (Bambusa sp.), fern leaves (Diplazium esculentum), spinach leaves (Amaranthus spp) and shallot bulbs (Allium cepa), contained as much as 215 µg GA3 mL-1, 257 µg GA3 mL-1, 260 µg GA3 mL-1, 154 µg GA3 mL-1 and 227 µg GA3 mL-1 respectively. It can be concluded that extracts of plant materials contain GA3 and can be used as a substitute for synthetic GA3.
Pengaruh Konsentrasi AB Mix dan Frekuensi Semprot Pupuk Organik Cair (POC) terhadap Pertumbuhan Tanaman Pakcoy (Brassica rapa L.) pada Hidroponik Sistem Deep Floating Technique (DFT) I MADE AGUS KRISNA; GEDE WIJANA; IDA AYU PUTRI DARMAWATI
Agrotrop : Journal on Agriculture Science Vol 13 No 1 (2023)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/AJoAS.2023.v13.i01.p04

Abstract

Effect of AB Mix Concentration and Frequency of Liquid Organic Fertilizer Spray (POC) on the Growth of Pakcoy (Brassica rapa L.) Plants in the Deep Floating Technique (DFT) Hydroponic System. Pakcoy (Brassica rapa L.) is one of the vegetables that can be cultivated using a hydroponic system. Deep Floating Technique (DFT) hydroponic system is one of the hydroponic techniques in vegetable cultivation by using pools in installations and circulation with slow flow. The nutrients used in hydroponic cultivation are generally AB mix nutrients, but the use of liquid organic fertilizer (pupuk organik cair/POC) in hydroponic vegetable cultivation needs more attention to suppress the use of inorganic fertilizers. The study aims to determine the response of pakcoy growth to the addition of POC and to obtain the concentration of AB mix and the frequency of POC spray which gives the best pakcoy plant growth. This research was carried out from January to March 2021 in a green house with a UV plastic roof in Banjar Gentong, Tegallalang District, Gianyar Regency, Bali. Geographically, it is located at 8°48'38 south latitude and 115°28'04 east longitude at an altitude of 510-550 meters above sea level. The study used a Nested Randomized Block Design where the POC spraying frequency was nested at the concentration of AB mix. The data obtained from the variables were analyzed statistically using analysis of variance (ANOVA) according to the design that was carried out. If the treatment has a significant effect, then the BNT test at the 5% level will be carried out. The addition of POC spraying frequency on pakcoy showed a significant effect, the highest yield ware shown in the addition of POC spraying frequency once every 2 days at all concentration treatment levels. The combination of giving AB mix 1,000 ppm with the POC spraying frequency every 2 days (K3F1) gave the best growth for pakcoy.
Pengaruh Pengaplikasian PGPR (Plant Growth-Promoting Rhizobacteria) terhadap Pertumbuhan dan Hasil Padi (Oryza sativa L.) Varietas Lokal di Desa Jatiluwih NI WAYAN DITA ALVIANI; NI LUH MADE PRADNYAWATHI; ANAK AGUNG MADE ASTININGSIH
Agrotrop : Journal on Agriculture Science Vol 13 No 1 (2023)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/AJoAS.2023.v13.i01.p09

Abstract

Effect of PGPR (Plant Growth-Promoting Rhizobacteria) Application on Growth and Yield of Local Rice (Oryza sativa L.) Varieties in Jatiluwih Village. The decline in local rice production in Jatiluwih Village needs to be overcome to meet the needs of the community, one method that can be used is the application of PGPR. This study aims to determine the differences in the effect of cultivation with PGPR application and without PGPR application on the growth and yield of local rice varieties and to find out which local rice varieties shows the highest yields. This study used a paired experiment that compared cultivation with and without PGPR application on four local rice varieties, namely Cicih, Cendana, Ketan and Mansur varieties. The results of the analysis showed that the application of PGPR in the cultivation of Jatiluwih local rice varieties was able to increase the average value of plant height, number of leaves per clump, leaf chlorophyll content, total number of tillers per clump, number of productive tillers per clump, panicle length, total grain per panicle, good grain per panicle and yield, respectively 1.66%, 16.89%, 5.97%, 18.79%, 15.65%, 11.54%, 25.65%, 30.55% and 10.53% when compared to cultivation without PGPR application. The Local varieties of Jatiluwih rice that showed the highest yield when compared between cultivation with PGPR application and without PGPR was the red rice variety Cicih, which increased by 19.27% ??from the previous 5.45 ton/ha to 6.50 ton/ha, while in Cendana variety only increased by 5.76%, Kentan variety increased by 11.33%, and Mansur variety increased by 5.57% after PGPR was applied.
Bagian Depan Agrotrop : Journal on Agriculture Science Vol. 13, No. 1, Januari 2023 Pengelola AGROTROP
Agrotrop : Journal on Agriculture Science Vol 13 No 1 (2023)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Bagian Depan Agrotrop : Journal on Agriculture Science Vol. 13, No. 1, Januari 2023

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