cover
Article Per Year (5 Year)
All
Home Page
OAI Link
Editorial Team
Contact
Reviewer
Google Scholar
Contact Name
Hasmiandy Hamid
Contact Email
Hasmiandy Hamid
Phone
-
Journal Mail Official
jptfpua@gmail.com
Editorial Address
-
Location
Kota padang,
Sumatera barat
INDONESIA
JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)
Published by Universitas Andalas
ISSN : 25800604     EISSN : 26213141     DOI : -
Core Subject : Agriculture, Social,
Agriculture, Biological Sciences & Forestry Environmental Science
Arjuna Subject : -
Articles 5 Documents
 1 
Search results for , issue "Vol 1 No 1 (2017): Juni 2017" : 5 Documents clear
Respon Beberapa Varietas Padi Terhadap Serangan Fusarium fujikuroi Penyebab Penyakit Bakanae Darnetty Darnetty; Eri Sulyanti
JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION) Vol 1 No 1 (2017): Juni 2017
Publisher : Jurusan Hama dan Penyakit Tumbuhan Faperta Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (230.968 KB) | DOI: 10.25077/jpt.1.1.18-23.2017

Abstract

Fusarium fujikuroi is the cause of bakanae disease in rice plants. Level of bakanae disease attack on some rice cultivation land in West Sumatra, especially in Padang Pariaman district is quite high. One effort to suppress the development of F. fujikuroi is by planting resistant varieties. In this study, 15 rice varieties originating Sumatera Barat were used to be tested for their response to F. fujikuroi attack. The purpose of this study was to obtain the varieties with the low attack rate of F. fujikuroi. Parameters observed were number of dead seeds, number of dead seedlings, number of stunted seedlings, number of seeds showing symptoms of Bakanae and total infected seeds. The results of the study indicated that symptoms of F. fujikuroi attack varied which were dead seeds, stunting seedlings, dead seedslings and bakanae. The response of rice varieties to F. fujikuroi attack was different with characterized by different levels of infection rates. Low infection rates were found in Pessel varieties (2.0%), Batang sahalai (15.5%), Cisokan (17.0%), and Batang Lembang (20%). Other varieties showed a high percentage of F. fujikuroi attacks ranging from 20% to 54.5%.
Uji Beberapa Dosis Tepung Daun Gamal (Gliricididia sepium Jacq.) Terhadap Sitophilus oryzae L. Pada Beras Di Penyimpanan Rusli Rustam; Agus Sutikno; Jamiatul Laila
JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION) Vol 1 No 1 (2017): Juni 2017
Publisher : Jurusan Hama dan Penyakit Tumbuhan Faperta Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (188.97 KB) | DOI: 10.25077/jpt.1.1.24-33.2017

Abstract

Rice is one of serealea comodity that susceptible with pest storage. One of the pest that often attack the rice in storage is Sitophilus oryzae L. The alternative for control S. oryzae L. as fumigant which enviromentally sound is Gliricidia sepium Jacq. as organic insecticide. This research aims to get the best dose G. sepium Jacq. leaf powder to control S. oryzae L. pest in rice storage. This research conducted at Laboratory of Plant Pest, Faculty of Agriculture, University of Riau, Pekan baru from Mei until Juni 2016. This research arranged experimentally by using Completely Randomized Design consisting of 5 treatments and 4 replications. The treatment consist of 5 dose levels were 0 g/100 g rice, 2 g/100 g rice, 4 g/100 g rice, 6 g/100 g rice and 8 g/100 g rice. The result showed that giving of G. sepium Jacq. leaf powder with dose 8 g/100 g rice causes time of death beginningS. oryzae L. during 31.50 hours after application, lethal time 50 during 282.8 hours after application, total mortality was 70%, amount of generation was 9,75 beetles and decrease of seed weight’s rice was 1.08%.
Aktivitas Insektisida Campuran Ekstrak Air Buah Piper aduncum L. (Piperaceae) dan Batang Cymbopogon ciratrus (Dc.) Stapf (Poaceae) Terhadap Larva Crocidolomia pavonana F. (Lepidoptera: Crambidae) Eka Candra Lina; Adventus Supriadi; Yunisman Yunisman; Martinius Martinius
JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION) Vol 1 No 1 (2017): Juni 2017
Publisher : Jurusan Hama dan Penyakit Tumbuhan Faperta Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (207.733 KB) | DOI: 10.25077/jpt.1.1.34-41.2017

Abstract

Crocidolomia pavonana is an important pest in Brassicaceae. Botanical insecticides is pest control alternative which meet to eco-friendly manajement. This study aims to determine lethal concentration of single and mixture of water extract of Piper aduncum (Piperaceae) fruit and Cymbopogon cirtatus (Poaceae) stem against Crocidolomia pavonana larvae. The study was conducted in laboratory experiment through preliminary test and advance test using a completely randomized design (CRD). Observations were included to larval mortality, antifeedant effect, and duration of larval development. Bioassay was done against second instar larvae of C. pavonana using leaves immersion method during 48 hours. The results show that LC50 and LC95 value of mixture extract are 2.83% and 5.79% respectively. Based on index combination analysis, P. aduncum and C. citratus mixture extract were antagonistic at LC50 and additive at LC95 . Water extract of P. aduncum and C. citratus were relatively weak to influence feeding activity of C. pavonana larvae (41%). Mixture extract also extend larval development from second instar to third instar around 0.24 days and third instar to fourth instar around 0.97 days.
Kolonisasi Beberapa Jamur Antagonis Pada Akar Tanaman Cabai (Capsicum annuum L.) dan Pengaruhnya Terhadap Penekanan Penyakit Antraknosa yang Disebabkan Oleh Colletotrichum gloeosporioides Nurbailis Jamarun; Yunisman Yunisman
JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION) Vol 1 No 1 (2017): Juni 2017
Publisher : Jurusan Hama dan Penyakit Tumbuhan Faperta Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (230.062 KB) | DOI: 10.25077/jpt.1.1.1-9.2017

Abstract

Penyakit antraknosa merupakan penyakit penting pada tanaman cabai yang disebabkan oleh Colletotrichum gloesporioides. Penelitian ini bertujuan untuk mendapatkan jamur antagonis unggul yang mampu mengkolonisasi akar tanaman cabai dan efektif mengendalikan penyakit antraknosa yang disebabkan oleh Colletotrichum gloesporioides. Metode penelitian menggunakan Rancangan Acak Kelompok (RAK) dengan 10 perlakuan dan 4 ulangan. Jamur antagonis yang digunakan yaitu: Trichoderma isolat 1, Trichoderma isolat 2, Trichoderma isolat 3, Trichoderma isolat 4, Paecilomyces isolat 1, Paecilomyces isolat 2, Paecilomyces isolat 3, Paecilomyces isolat 4, dan Aspergilus sp. Aplikasi jamur antagonis dilakukan dengan merendam akar tanaman cabai pada suspensi jamur dan aplikasi jamur patogen dilakukan dengan menyemprotkan suspensi jamur pada buah cabai sampai seluruh permukaannya basah. Hasil penelitian menunjukkan bahwa semua jamur antagonis yang diuji mampu mengkolonisasi akar tanaman cabai. Isolat yang terbaik dalam mengkolonisasi dan penekanan penyakit antraknosa adalah Trichoderma isolat 3 yang memiliki kemampuan kolonisasi sebesar 95,83%, persentase buah terserang 18,75% dan intensitas serangan sebesar 20% dan Trichoderma isolat 1 memiliki kemampuan kolonisasi sebesar 91,66%, persentase buah terserang 25,00% dan intensitas serangan sebesar 32,50%.
Karakterisasi Fisiologi Beberapa Isolat Cendawan Entomopatogen Beauveria bassiana Dan Virulensinya Terhadap Spodoptera litura Trizelia Trizelia; Novri Nelly
JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION) Vol 1 No 1 (2017): Juni 2017
Publisher : Jurusan Hama dan Penyakit Tumbuhan Faperta Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (177.636 KB) | DOI: 10.25077/jpt.1.1.10-17.2017

Abstract

Penelitian ini bertujuan untuk mempelajari karakter fisiologi isolat B. bassiana yang berasal dari berbagai inang dan virulensinya terhadap Spodoptera litura. Lima isolat B. bassiana yang diuji diisolasi dari hama Leptocorisa oratorius (F.) dan Hypothenemus hampei (Ferr.), rizosfer tanaman bawang daun buah kakao dan batang gandum. Karakter fisiologi yang diamati adalah daya kecambah konidia, pertumbuhan koloni, dan sporulasi, Cendawan diperbanyak pada media SDAY dan uji virulensi dilakukan terhadap larva instar II S. litura. Hasil penelitian menunjukkan bahwa daya kecambah konidia, pertumbuhan koloni dan sporulasi bervariasi antar isolat. Isolat B. bassiana yang diisolasi dari L. oratorius dan buah kakao memiliki karakter fisiologi yang lebih baik dibandingkan dengan isolat lain. Kedua isolat ini juga lebih virulen terhadap larva instar II S. litura dengan mortalitas sebesar 80 – 81,67%.

Page 1 of 1 | Total Record : 5

 1 

Filter by Year

2017 2017


Reset
Filter By Issues
All Issue Vol 7 No 1 (2023): Juni 2023 Vol 6 No 2 (2022): Desember Vol 6 No 1 (2022): Juni Vol 5 No 2 (2021): Desember 2021 Vol 5 No 1 (2021): Juni 2021 Vol 4 No 1 (2020): Juni 2020 Vol 3 No 2 (2019): Desember 2019 Vol 1 No 2 (2017): Desember 2017 Vol 1 No 1 (2017): Juni 2017