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All Journal Agrotrop : Journal on Agriculture Science E-Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology)
I WAYAN PASEK ARIMBAWA
Program Studi Agroekoteknologi Fakultas Pertanian Universitas Udayana
Agriculture, Biological Sciences & Forestry

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Pengaruh Pemberian Beberapa Jenis Herbisida Terhadap Pertumbuhan Dan Hasil Tanaman Padi (Oryza Sativa L.) Dengan Sistem Tanam Tabur Benih Langsung Tanpa Olah Tanah (Tabelatot) I MADE KRISNA WIDYASMARA; I WAYAN PASEK ARIMBAWA; I KETUT ARSA WIJAYA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.8, No.4, Oktober 2019
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

The effect ot the type of herbicide to controlling weeds and the increasing thegrowth and yield of rice plants in tabelaltot planting system. Rice plants are the most important crop cultivation because most of the population makes rice as a staple food. Efforts to support the fulfillment of rice needsare made by maintaining rice productivity. Increased rice productivity is currently stillexperiencing obstacles such as in improper crop cultivation techniques and problemsin weed control, therefore proper weed cultivation and control techniques need to beassessed. The purpose of this research was to find out the type of herbicide that is mosteffective in controlling weeds and can increase the growth and yield of rice plants intabelaltot planting system. This study used a randomized block design (RCBD) with4 treatments, namely control (without herbicide treatment), logran herbicide,metafuron herbicide and benfuron herbicide. The treatment was repeated six times.The results showed that the herbicide treatment significantly affected the weight of thedried grain harvest compared with control. Logran herbicide treatment showed thehighest dry grain weight of ha-1 harvest was 8.38 tons / ha-1 and significantly differentfrom the control of 6.00 tons / ha-1, the high yield was due to the ability of logranherbicide that could suppress growth of the highest weeds, namely 77% compared toherbicides metafuron namely 57% and benfuron namely 56% and significantlydifferent compared to controls, the competition that occurred between rice plants andweeds in logran herbicide treatment was less so that it made yields increase.
Pertumbuhan Setek Kopi Robusta (Coffea canephora P.) yang Dirangsang Dengan Urin Sapi, Air Kelapa dan Atonik dengan Berbagai Taraf Kosentrasi I KADEK BRATA; I NYOMAN SUTEDJA; I WAYAN PASEK ARIMBAWA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.9, No.1, Januari 2020
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Cuttings Growth of Robusta Coffee (Coffea canephora P.) Which is Influencedwith Urin Cow, Coconut Water and Atonic With Various Cosentration Taraf Robusta coffee (Coffea canephora P.) in general can be reproduced generatively by seeds and vegetative with cuttings, because robusta coffee pollinatesso that the development of robusta coffee is not recommended using generativemethods or with seeds because it will form new populations with varying yieldproperties. Then the multiplication of Robusta coffee is done by cuttings. This studyaims to determine the effect of the type of Growth regulator between cow urine,coconut water, and atonic and the effect of the concentration level of each type ofGrowth regulator on the growth of Robusta coffee cuttings. This study uses a nesteddesign with 3 types of zat pengatur tumbuh and 4 levels of concentration as a treatment.The results showed growth regulators Cow urine, coconut water, and atonik both canincrease the growth of Robusta coffee cuttings in nurseries depending on theconcentration given, the best growth of cuttings in the administration of cow urine witha concentration of 20% with a total oven dry weight of 2.08 g which increases cuttingsgrowth by 150.60% compared with no administration of growth regulators, Theprovision of coconut water with a concentration of 50% with a total oven dry weightreached 154 g which increased cuttings growth by 115,21% compared to withoutadministration of growth regulators. and administration of Atonik with a concentrationof 0,25% with a total oven dry weight of 141 g which increased cuttings growth by67.86% compared with no administration of growth regulators.
Pengaruh Pemotongan Daun dan Pemberian Konsentrasi Ekstrak Bawang Merah terhadap Pertumbuhan Setek Kopi Robusta (Coffea canephora P.) I GEDE BUDI YUDA KUMARA; I WAYAN PASEK ARIMBAWA; I NYOMAN SUTEDJA
Agrotrop : Journal on Agriculture Science Vol 10 No 1 (2020)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (193.958 KB) | DOI: 10.24843/AJoAS.2020.v10.i01.p09

Abstract

Effect of Leaf Cutting and Concentration of Shallot Extract on the Growth of Cuttings Robusta Coffee (Coffea canephora P.). Robusta coffee plants (Coffea canephora P.) in general can be reproduced generatively by seeds, while the vegetative method can be done by grafting, cuttings, and tissue culture. Breeding of robusta coffee by generative method was often unsatisfactory, therefore the propagation of Robusta coffee is recommended using vegetative methods, namely cuttings. This study aims to determine the effect of leaf area cutting and the concentration of shallot extract and its interaction on the growth of Robusta coffee cuttings. This study used 2 factors in factorial design, namely: percentage of leaf cutting and the concentration of shallot extract. Variables observed were shoots growth time, shoots length, shoots diameter, number of leaves of seedling, leaf area of ??seedling, number of primary roots, length of primary root, oven dry weight of the root, oven dry weight of shoots, leaf oven weight, photosynthetic partition coefficient and total dry weight of plants.The results of this study showed that the best growth of Robusta coffee cuttings was shown in the 0% leaf cutting treatment with the heaviest total dry weight of the seedlings, which was 4.35 g and experienced an increase of 131.38% compared with 75% leaf cutting. Interaction of 0% leaf cutting by giving the concentration of onion extract 25% is the best treatment, this can be seen from the observation of the primary root length, but the total oven dry w eight showed no significant difference.
Co-Authors I GEDE BUDI YUDA KUMARA I KADEK BRATA I KETUT ARSA WIJAYA I MADE KRISNA WIDYASMARA I Made Sukewijaya I NYOMAN SUTEDJA NI WAYAN FEBRIANA UTAMI