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All Journal AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian
Sitti Nurul Aini
University of Bangka Belitung
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science

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Uji Efektifitas Agensia Hayati Metarizhium anisopliae Terhadap Hama Ulat Grayak (Spodoptera litura F) Secara In Vitro Riwan Kusmiadi; Sitti Nurul Aini; Rion Apriyadi; Ciko Ciko
AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian Vol 1 No 2 (2017): AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian
Publisher : Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/agrosainstek.v1i2.12

Abstract

Pests are one the reason of declined in crop production. one of them is Spodoptera litura. The purpose of this research was to determined the mortality rate of Spodoptera litura caused by M. anisopliae infection. The research is conducted at the Microbiology Laboratory of Agricultural Technology Department of the Faculty of Agriculture, Fishery, and Biology of Universitas Bangka Belitung. The research used factorial randomized block design with 2 treatment factors. The first factor ( stage larvae) consists of L1=instar 3, L2=instar 4. The second factor (the concentration) consists of V0=control, V1= 30 g/l of water, V2=35 g/l of water, V3= 40 g/l of water, V4= 45 g/l of water. The data is analyzed using ANOVA with confidence level of 95% and is further tested using the Tukey Test with the confidence level of 95%. The research results show that a concentration of 30 g/l of water and 35 g/l of water the mortality rate reaches 88,89%, while at the concentration of 40 g/l of water and 45 g/l of water the mortality rate reaches 100% with 3 to 7 days span of mortality. The larvae infected with M. anisopliae experience behavioral changes such as decreased appetite, less active movement, inactive, and transformed color to black with mycelium covering a part of the body.
Determinasi Pengaruh Populasi Walang Sangit (Leptocorisa oratorius Fabricius) terhadap Hasil Gabah Padi Sawah di Desa Kimak, Kecamatan Merawang, Kabupaten Bangka Winarsi Winarsi; Sitti Nurul Aini; Rion Apriyadi
AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian Vol 2 No 1 (2018): AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian
Publisher : Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (720.249 KB) | DOI: 10.33019/agrosainstek.v2i1.19

Abstract

Rice crops are the main source of staple food for the Indonesian people, as well as in the Bangka Belitung province. The cultivation of rice crops is still through various obstacles, such as the attack of Leptocorisa oratorius Fabricius, which attacks the rice plants after flowering by sucking the grain. The aim of this study was to know the effect of L.oratorius population on the rice yield, to know the number of L. oratorius that can decrease the 15% paddy yield and to know the percentage of rice loss based on the number of L. oratorius population in the Kimak village, Merawang district, Bangka regency. The research was conducted on November 2017 to January 2018 on paddy field in Kimak village. This research used experimental method with Completely Randomized Design (CRD) wich consist of 8 treatments and 2 replications. The treatment was the differences L.oratorius population. Consist of: without L.oratorius, 2 L.oratorius, 3 L.oratorius, 4 L.oratorius, 5 L.oratorius, 6 L.oratorius, 7 L.oratorius and 8 L.oratorius. The result showed that the number of L. oratorius has significant effect on rice yield, 3 population of L. oratorius per 50 cm x 50 cm able to reduce the rice yield by 15% and the percentage of yield loss at the treatment of 2 - 8 L.oratorius is about 10.97% up to 28.98%.
Pertumbuhan dan Produksi Tanaman Melon (Cucumis melo L) di Tanah Ultisol dengan Penambahan Pupuk Organik Cair (POC) Kulit Nanas Ratna Santi; Sitti Nurul Aini; Nopan Darmawan
AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian Vol 2 No 1 (2018): AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian
Publisher : Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/agrosainstek.v2i1.21

Abstract

Plant Growth and production of melon is affected by fertilizer so that alternative application of technology can be used liquid organic fertilizer (LOF) from pineapple peel. The purpose of this research is to know the effect ofliquid organic fertilizer on growth and production of melon plants in ultisol soil. Experimental methods used with single factor Randomized Block Design with 7 treatment levels were: inorganic fertilizer, 20 mL / 1 liter of water, 35 mL / 1 liter of water, 50 mL / 1 liter of water, P4 65 mL / 1 liter of water , P5 80 mL / 1 liter of water and 95 mL / 1 liter of water. The results of this study indicate the use of liquid organic fertilizer (LOF) does not gave a real effect on the growth and production of melon plants. Growth of melon plants treated 20 mL / 1 liter of water tend to be better while for production tend to be better at treatment 35 mL / 1 liter water.
Co-Authors Apriyadi, Rion Ciko Ciko Nopan Darmawan Ratna Santi Riwan Kusmiadi TATI NURHAYATI Winarsi Winarsi