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Journal : Dinamika Pertanian

KEEFEKTIFAN EKSTRAK TEPUNG DAUN MIMBA (Azadirachta indica A. JUSS) DENGAN PENAMBAHAN BEBERAPA JENIS SURFAKTAN TERHADAP ULAT GRAYAK (Spodoptera litura FAB.) PADA TANAMAN KEDELAI (Glycine max L. MERRILL) Eunike JH Sidauruk; Hafiz Fauzana; Desita Salbiah
DINAMIKA PERTANIAN Vol. 33 No. 3 (2017): Jurnal Dinamika Pertanian Edisi Desember 2017
Publisher : UIR Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/dp.2017.vol33(3).3835

Abstract

Neem leaves powder extract is a bioinsecticide which can be used to control the pest. The active compound of neem leaves powder extract is easy to be disentangled by the ultraviolet, so that the effectiveness of application itis low in the field. The alternative to solve this problem can be used the addition surfactant to the neem leaves powder extract. The purpose of this research was to determine the influence and the kind of surfactant which is best to increase the effectiveness of neem leaves powder extract to Spodoptera litura pest on a soybean plant. The research was using a completely randomized design (CRD) with four treatments and five replications so there were 20 unit experiments. The treatment has used some kind of surfactant with the different active compound; linear alkylbenzene sulphonate (LAS), alkyl poly glycol ether (APE), alkylphenol ethoxylate (AE) and polyoxyethylene sorbitan monolaurate (PSM). The results showed the addition of synthetic surfactant with the active compound APE, AE and PSM can increase the effectiveness of neem leave powder extract80 g/lof water to the early death, lethal time 50 and total mortality of S. litura. The intensity attack of S. litura showed APE tends to be better to increase the effectivity of neem leaves powder extract than AE and PSM.
KEEFEKTIFAN BEBERAPA DOSIS INSEKTISIDA NABATI BABADOTAN (Ageratum conyzoides L.) TERHADAP KUMBANG BUBUK BIJI JAGUNG (Sitophilus zeamais M.) DI PENYIMPANAN Rahmida Sari; Desita Salbiah
DINAMIKA PERTANIAN Vol. 36 No. 1 (2020): Jurnal Dinamika Pertanian Edisi April 2020
Publisher : UIR Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/dp.2020.vol36(1).5365

Abstract

ABSTRACT Sitophilus zeamais M. is a storage pest that attacks corn kernels in the storage. Pest control strategies in storage which are often carried out are chemicals, namely insecticides in the form of fumigants. One of them is using plant-based insecticides. Babadotan is a plant that can be used as a botanical insecticide. This research aimed to obtain an effective dose of babadotan flour towards the mortality of S. zeamais pest. This research was conducted at the Plant Pest Laboratory, Faculty of Agriculture, Riau University from March to May 2019. The research was conducted experimentally using a completely randomized design (CRD) with 6 treatments and 4 replications. Treatment given was babadotan flour with the following dosage: Babadotan flour dose 0 g.100 g-1 corn kernels, 2 g.100 g-1 corn kernels, 4 g.100 g-1 corn kernels, 6 g.100 g-1 corn kernels, 8 g.100 g-1 corn kernels, and 10 g.100 g-1 corn kernels. Dose 10 g.100 g-1 babadotan flour corn kernels is an effective dose to control Sitophilus zeamais which can cause total mortality of 82.5% with an initial death of 79,75 hours after application and Lethal time 50 254 hours after application. Application of babadotan flour with a dose of 10 g.100 g-1 corn kernels produced the lowest percentage of corn seed shrinking at 9,55% and resulted in the least individual increase of 4,75 tails. Keywords: Ageratum conyzoides L., Sitophilus zeamais M., Corn
UJI BEBERAPA KONSENTRASI EKSTRAK RIMPANG JERINGAU (Acorus calamus L.) UNTUK MENGENDALIKAN HAMA WALANG SANGIT (Leptocorisa acuta Thunberg) PADA TANAMAN PADI GOGO (Oryza sativa L.) Desita Salbiah; Nizwan Harefa
DINAMIKA PERTANIAN Vol. 34 No. 2 (2018): Jurnal Dinamika Pertanian Edisi Agustus 2018
Publisher : UIR Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/dp.2018.vol34(2).5422

Abstract

ABSTRACT Government efforts in supporting the increase in national rice production, namely optimizing dry land by planting upland rice. Rice seed bug (Leptocorisa acuta Thunberg) is a potential pest that at certain times become an important pest on the upland rice plants, therefore needed to control is using organic insecticide such as sweet flag rhizome extract. This research was aimed to obtain an effective concentration sweet flag rhizome extract (Acorus calamus L.) to control rice seed bug pest (Leptocorisa acuta Thunberg) on the ​​upland rice plant (Oryza sativa L.). The research was conducted at the Experimental Garden and Plant Pest Laboratory, Faculty of Agriculture, Riau University, Pekanbaru from January to May 2018. The experimentally by using a completely randomized design (CRD), which consist of five concentration sweet flag rhizome extract treatments are 0 g.l-1 water, 20 g.l-1 water, 40 g.l-1 water, 60 g.l-1 water and 80 g.l-1 water. The treatments repeated four times, therefore, twenty experimental units. The results showed that the concentration of 80 g.l-1 water was an effective concentration to control rice seed bug with the fastest start time of death at 1,25 hours, the fastest LT50 at 30,25 hours and the total mortality rate of 87,50%. Keywords: Organic insecticide, Sweet Flag Rhizome, Rice Seed Bug, Upland Rice
UJI BEBERAPA KONSENTRASI EKSTRAK DAUN MIMBA (Azadirachta indica A. Juss) UNTUK MENGENDALIKAN LARVA Lamprosema indicata F. PADA TANAMAN KEDELAI (Glycine max L. Merill) Desita Salbiah; Nelly Andria
DINAMIKA PERTANIAN Vol. 35 No. 1 (2019): Jurnal Dinamika Pertanian Edisi April 2019
Publisher : UIR Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/dp.2019.vol35(1).7679

Abstract

The Lamprosema indicata Fabricius larvae is one of the main pests in soybean plantations, which cause up to 80% damage. The alternative control is the use of neem Leafs (Azadirachta indica A. Juss) which have the potential as a botanical insecticide. This research aims to find out the effective concentration of neem Leafs extract to control Lamprosema indicata F. larvae on soybean (Glycine max L. Merill). The research was conducted at the Laboratory Plant Pest and Experimental Farm in the Faculty of Agriculture, University of Riau from May to October 2018. The research was carried out by using a completely randomized design (CRD) with 6 treatments and 4 replications to obtain 24 experimental units. Treatment consist of several concentrations of neem leafs extract 0 g.l-1 water, 20 g.l-1 water, 40 g.l-1 water, 60 g.l-1 water, 80 g.l-1 water and 100 g.l-1 water. The results showed that the concentration of 80 g.l-1 water was effective to control the L. indicata larvae with an initial death time of 5.50 hours and total mortality was 87.50%.
UJI BEBERAPA KONSENTRASI EKSTRAK BIJI PINANG (Areca catechu L.) UNTUK MENGENDALIKAN HAMA ULAT JENGKAL (Chrysodeixis chalcites Esper) PADA TANAMAN KEDELAI (Glycine max L.) Desita Salbiah; Rusli Rustam; Forti Senorita Daeli
DINAMIKA PERTANIAN Vol. 35 No. 2 (2019): Jurnal Dinamika Pertanian Edisi Agustus 2019
Publisher : UIR Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/dp.2019.vol35(2).7689

Abstract

Chrysodeixis chalcites Esper is the main pests in soybean plants cultivation that can cause damage up to 90%. One of controlling was done by using areca nuts (Areca catechu L.) which has a potential as a botanical insecticide. This study aimed to obtain effective concentrations of areca nuts extract to control Chrysodeixis chalcites Esper pests on soybean plants (Glycine max L.). This research was conducted at the Laboratory of Plant Pest and Experimental Farm, Faculty of Agriculture, Riau University, Pekanbaru from August to November 2018. The study was conducted experimentally using a completely randomized design (CRD), which consisted of five treatments and four replications, namely: the concentration areca nuts extract 0 g.l-1 water, 20 g.l-1 water, 40 g.l-1 water, 60 g.l-1 water, and 80 g.l-1 water. The results showed that the concentration of 80 g.l-1 of water was an effective concentration to control Chrysodeixis chalcites pest with an initial death time of 14 hours, lethal time 50 29.25 hours after application, and total mortality of 87.50%.
UJI BEBERAPA KONSENTRASI EKSTRAK UMBI GADUNG (Dioscorea hispida Dennst) TERHADAP HAMA KEONG MAS (Pomacea canaliculata L.) Alfaizal; Hafiz Fauzana; Desita Salbiah
DINAMIKA PERTANIAN Vol. 37 No. 1 (2021): Jurnal Dinamika Pertanian Edisi April 2021
Publisher : UIR Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/dp.2021.vol37(1).7712

Abstract

Riau is one of a lowland rice producing provinces. One of the pests that can reduce rice productivity is the golden snail (Pomacea canaliculata L.). The solution for controlling the golden snail (P. canaliculata L.). Pest uses environmentally friendly control techniques, namely botanical pesticides of gadung tubers. This study aims to obtain a concentration of the extract of gadung tuber flour (Dioscorea hispida Dennst) which is effective in controlled the attack of golden snails (P. canaliculata L.) in lowland rice plants. This research was conducted experimentally using completely randomized design (CRD) consisting of five treatments and four replications, in order to obtain 20 experimental units. The treatments consisted of concentrations of gadung tubers extract, namely 0 g.l-1, 25 g.l-1, 50 g.l-1, 75 g.l-1, and 100 g.l-1. Observations included the initial dst time to snail death, lethal time 50 (LT 50), daily total mortality, and behavior changes in behavior. The results showed that the application of 100 g.l concentration of gadung tuber extract treatment caused the highest total mortality of golden snails (P. canaliculata L.) of 74.99%, but it was not effective yet in controlling the golden snail pest because it was not able to kill the golden snail above 80%.
KEEFEKTIFAN DOSIS TEPUNG BIJI SRIKAYA (Annona squamosa L.) DALAM MENGENDALIKAN HAMA BUBUK KEDELAI (Callosobruchus analis F.) DI PENYIMPANAN Rahmiyul Insani; Desita Salbiah
DINAMIKA PERTANIAN Vol. 37 No. 1 (2021): Jurnal Dinamika Pertanian Edisi April 2021
Publisher : UIR Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/dp.2021.vol37(1).7720

Abstract

Soybean is an important food crop in Indonesia, which contains a lot of protein and is useful as an industrial ingredient and animal feed. Callosobruchus analis F. is a pest that causes a decrease in soybean production in storage. The suggestion recommended is to use plant based insecticides by using custard apple seed (Annona squamosa L.). This research aims to obtain a dose of custard apple seed flour (Annona squamosa) that is effective in controlling soy pest Callosobruchus analis in stored soybean seeds. The research was conducted at the Plant Pest Laboratory of Faculty of Agriculture, Riau University, from July to October 2019. The study was carried out using a completely randomized design with 6 treatments and 4 replications. The dose treatment of custard apple seed flour was given to each experimental unit was 0 g.100 g-1 soybean seeds, 2 g.100 g-1 soybean seeds, 4 g.100 g-1 soybean seeds, 6 g.100 g-1 soybean seed, 8 g.100 g-1 soybean seed and 10 g.100 g-1 soybean seed. The results showed that the provision of custard apple seed flour at a dose of 4 g.100 g-1 of soybean seeds was effective in killing C. analis pests. This could cause a total mortality of 80% with early death of 14.50 hours after application and LT50 34.00 hours after application with an individual increase of 19.25 C. analis pests with a percentage of weight depreciation of soybean seeds of 1.93%.
PENGGUNAAN Metarhizium anisopliae SOROKIN LOKAL TERHADAP Spodoptera frugiperda J.E. SMITH Desita Salbiah; Siska Fronika
DINAMIKA PERTANIAN Vol. 37 No. 2 (2021): Jurnal Dinamika Pertanian Edisi Agustus 2021
Publisher : UIR Press

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

Abstract

The main pest that attacks sweet corn crops is the armyworm Spodoptera frugiperda J.E. Smith. The armyworm S. frugiperda is harmful to sweet corn crops with an attack rate of 15-100%. Control of armyworm S. frugiperda in sweet corn plants generally still uses synthetic chemical insecticides because they can control pests quickly and practically. Biological control is an alternative method that can be used to overcome the impacts caused by the use of synthetic insecticides. The biological agent that has the potential to control plant pests is the entomopathogenic fungi Metarhizium anisopliae (Metsch) Sorokin. The purpose of this research is to obtain the concentration of the local entomopathogenic fungi Metarhizium anisopliae (Metsch) Sorokin which is able to control the armyworm Spodoptera frugiperda J. E. Smith. The research was conducted at the Laboratory of Plant Pests, Faculty of Agriculture, Riau University from June to August 2020. The research was designed a completely randomized design with six treatments local entomopathogenic fungi concentrations M. anisopliae 0 g.l-1 water, 10 g.l-1 water, 20 g.l-1 water, 30 g.l-1 water, 40 g.l-1 water, 50 g.l-1 water, and four replications, to obtain 24 experimental units. The results showed that the use of the entomopathogenic fungi M. anisopliae (Metsch) Local Sorokin with a concentration of 30 g.l-1 water contains a conidia density 0.65 x 108 con.ml-1 is a concentration capable of controlling the armyworm S. frugiperda with total mortality of 82,50%.
UJI BEBERAPA KONSENTRASI EKSTRAK TEPUNG AKAR TUBA (Derris elliptica Benth) UNTUK MENGENDALIKAN HAMA PENGGEREK TONGKOL JAGUNG Helicoverpa armigera Hubn Rudi Rismawanto; Rusli Rustam; Desita Salbiah
DINAMIKA PERTANIAN Vol. 38 No. 2 (2022): Jurnal Dinamika Pertanian Edisi Agustus 2022
Publisher : UIR Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/dp.2022.vol38(2).11876

Abstract

Pests that attack the corn crop are corn cobs borer (Helicoverpa armigera Hubner). Pest control can be done using tubal root vegetable insecticide (Derris elliptica benth.) This study aims to obtain the best concentration of tuba root powder extract for controlling the corncob borer pests Helicoverpa Armigera H. Research was carried out at the Plant Pest Laboratory of the Faculty of Agriculture, University of Riau. This study used a completely randomized design (CRD) with 6 treatments and 4 replications. The treatments were given several concentrations of tuba root powder extract, namely 0 gr.l-1 water, 20 gr.l-1 water, 40 gr.l-1 water, 60 gr.l-1 water, 80 gr.l-1 water and 100 gr.l-1 water. The parameters observed were initial death, lethal time of 50, lethal concentration of 50 and 95, daily mortality, and total mortality. Daily mortality data obtained from the results were analyzed descriptively and displayed in graphical form, data lethal concentration (LC50 and LC95) was used probit analysis using the POLO-PC program, while other data such as initial death, total mortality, and lethal time (LT50) were statistically analyzed using variance. Data from analysis of variance will be continued using the smallest significant difference (LSD) test at the 5% confident level. Application of concentration for tubal root extract 100 g-1 water was the best concentration to control larvae H. Armigera with an initial time of death 26.50 hours, LT50 67.50 hours, highest daily mortality on the fourth day by 40% and total larval mortality by 87.5%.
UJI BEBERAPA KONSENTRASI EKSTRAK TEPUNG DAUN BABADOTAN (Ageratum conyzoides L.) TERHADAP HAMA PENGGEREK TONGKOL JAGUNG (Helicoverpa armigera Hubner) DI LABORATORIUM Melisa Eka Nofrianti; Desita Salbiah
DINAMIKA PERTANIAN Vol. 38 No. 3 (2022): Jurnal Dinamika Pertanian Edisi Desember 2022
Publisher : UIR Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/dp.2022.vol38(3).11903

Abstract

The main pest that attacks the sweet corn plant is the sweet corn cobs mover (Helicoverpa armigera Hubner. Pest control can be done by using botanical insecticide babadotan plants (Ageratum conyzoides L.). The aim of this research was to get a effective concentration of babadotan leaf flour extract against H. armigera larvae in the Laboratory. The research was conducted at the Plant Pest Laboratory, Faculty of Agriculture, University of Riau. The research used a completely randomized design (CRD) with five treatments and four replications. The treatments were given several concentrations of babadotan leaf flour extract 0%, 0.25%, 0.50%, 0.75% and 1%. The parameters observed were changes in behavior and morphology, initial time of death (hours), Lethal time 50 (hours), daily mortality (%), total mortality (%), and Lethal concentration (%). Variance results were further tested with Duncan's New Multiple Range Test (DNMRT) at a 5% level. The results showed that the concentration of 0.75% babadotan leaf flour extract was an effective concentration that could cause total mortality of H. armigera larvae at 82.50% with an initial time of death of 8.75 hours and a Lethal time of 50 of 42.75 hours after application. The proper concentration of babadotan leaf extract to kill 50% and 95% was 0.11% that is equivalent to 1.1 ml.1-1 of water and 3.29% that equivalent to 32.9 ml.l-1 of water.