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All Journal Jurnal Online Mahasiswa (JOM) Bidang Pertanian JURNAL AGROTEKNOLOGI JURNAL AGROHITA Lumbung: Jurnal Ilmiah Politeknik Pertanian Negeri Payakumbuh Unri Conference Series: Community Engagement Sagu
Yunel Venita
Universitas Riau
Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Environmental Science Industrial & Manufacturing Engineering Other

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Pemberian Beberapa Konsentrasi dan Interval Penyemprotan Ekstrak Daun Sirsak terhadap Hama Myzus persicae Sulzer pada Tanaman Cabai Yunel Venita; Hafiz Fauzana; Mukti '
Jurnal Sagu Vol 8, No 01 (2009)
Publisher : Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2042.062 KB) | DOI: 10.31258/sagu.v8i01.1114

Abstract

The usage of synthetic insecticide commonly used to control pest has negative impact on human helath and environment. The soursop (Annona muricata L.) leaves had been frequently tested for controlling pest at various concentration and spraying interval. This research was conducted at farmer field at Simpang baru panam, Pekanbaru city. This research was carried out by factorial experiment of group randomized design with two factors, four and two levels, and three repklications. The first factor  was different concentration of soursop leaves extract, and the second factor was the spraying interval was effective to prevent Myzus persicae pest.
UJI BEBERAPA ISOLAT Trichoderma sp UNTUK MENGEP«)ALIKAN PENYAKITBUSUKmTAMPADATANAMANANGGREK DENDROBIUM Yunel Venita; Muhammad Ali; Rahmadia '
Jurnal Sagu Vol 9, No 01 (2010)
Publisher : Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2541.982 KB) | DOI: 10.31258/sagu.v9i01.617

Abstract

Objective of this research was to test the ability of Trickottermasp isolate andget the best isolate incontrolling blighted leave disease on dendrobium orchid. TUs research was conducted cxperimentelly usingCompletely Randondzed Design (RAL) byfivetreatments of TridHHlerma sp isoUte (TO « without TrichuJennmsp,TI 'isotateT-ag,T2-=T-«a,T3>T-k,T4'^b). Resultof research indicates that application of some isolateon dendrobium orchid gives different influence hi controlling blighted leave disease on orchid. In controllingPhytopktkon sp.. Isolate T-ag is better because it has stronger hihibition ability.
UJI BEBERAPA KONSENTRASI EKSTRAK DAUN MIMBA (AZADIRACHTA INDICA A. JUSS.) UNTUK PENGENDALIAN PENYAKIT ANTRAKNOSA YANG DISEBABKAN JAMUR COLLETOTRICHUM CAPSISI PADA BUAH CABAI MERAH PASCA-PANEN Muhammad Ali; Yunel Venita; Benny Rahman
Jurnal Sagu Vol 11, No 1 (2012)
Publisher : Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (239.186 KB) | DOI: 10.31258/sagu.v11i1.1421

Abstract

The objective of this research is to study the effect of some concentrations of neem leaves extractin controlling anthracnose disease on post-harvested red chilli fruits. A research has been conductedexperimentally using a Completely Randomized Design, consisting of 6 treatments and 5 replications. Thetreatments are 6 concentrations of neem leaves extract : 0%=M0, 1%=M1, 5%=M2, 10%=M3, 15%= M4and 20%=M. Result of the research indicated that the concentration of neem leaves extract gave differenteffect in controlling anthracnose disease of the red chilli fruits. The concentration of neem leaves extractat 15% and 20% gave a better effect in controlling anthracnose disease of post-harvested red chilli fruits,which resulted in a smaller diameter of in-vitro fungi colony growth, a longer incubation period of thedisease and a lower incidence of the disease.
Co-Authors ', Mukti ', Rahmadia Adiwijaya, Yuni Anggar Ahmad Fajarusshidiq Alpinsyah AD Ritonga Armaini Armaini Armaini, Armaini Ayu Wulandari Benny Rahman Desita Salbiah Ferdinand M. P Simatupang Gian Sapta Adrialin Gunawan Tabrani Hafiz Fauzana Irfandri Irfandri Irfandri Irfandri Khoirudin, Al Hikmatu Luh Putu Ratna Sundari Martania Natasya Sinaga MUHAMMAD ALI Muhammad Ali Muhammad Ali Muhammad Ali Mukti ' Nelvia Nelvia Nurul Fatihah Rahmadia ' RUSLI RUSTAM Sampoerno, Sampoerno Sri Yoseva Surya, Arifah Hasnita Wawan ' Yuni Anggar Adiwijaya