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All Journal Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering)
Ifan Aulia Candra
Medan Area University
Agriculture, Biological Sciences & Forestry Engineering

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Response of Growth and Production of Shallot (Allium ascalonicum L.) to Liquid Fertilizer and Cattle Manure Ifan Aulia Candra; Lisdayani Lisdayani; Eri Samah
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 12, No 2 (2023): June 2023
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v12i2.268-276

Abstract

The purpose of this research is to improve the physical properties and fertility of soil to improve production of shallot. The research method used is a randomized block factorial design with 3 replication. The first factor was application of liquid fertilizer (N) consisting of 3 levels (N0: 0 cm3/L  water; N1: 1.5 cm3/L  water; N2: 3 cm3/L water). Second factor was cattle manure (A) consisting of 4 levels, namely: A0: 0 g; A1: 40 g cattle manure; A2: 80 g cattle manure; and A3: 120 g cattle manure. The results shown treatment with liquid fertilizer has a significant effect on plant height at weeks after planting (WAP). The study showed that treatment with liquid fertilizer has a significant effect on plant height, tuber weight per clump, and tuber weight per plot, but didn’t not have a significant effect on number of leaves and number of samplings of the shallot plants. Treatment with cattle manure has a significant effect on plant height, tuber weight per clump, tuber weight per plot, and tuber diameter, but does not have a significant effect on number of leaves and number of saplings of the shallot plants. It can be concluded that the higher the application of liquid fertilizer, up to 3 cm3/L , the higher the growth and production of shallot plants, and the higher the application of cattle manure, up to 120 g/plot the higher the growth and production of shallot plants. Keywords:  Plant height, Shallot, Soil Fertility, Tuber weight, Tuber size.
Resistance Analysis of Padi Gogo Merah (Oryza Nivara L) Against Blast Disease Zulheri Noer; Deni Mudsan; Rizal Aziz; Ifan Aulia Candra
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 13, No 1 (2024): March 2024
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v13i1.37-48

Abstract

Rice Blast has been known as the main disease on paddy which has high severity leading to economic loss. Exploring rice resistance can be an effective way to improve productivity and prosperity toward this staple crop. This study aims to determine several local varieties which have potential for productions and resistances. This study used factorial randomized block design (RBD) consisting of 2 factors including plant spacing (25 x 25 cm; 25 x 30 cm; 25 x 40 cm); Upland rice variety MSP 17, Sigambiri Merah, Hamparan Perak and Kambiri Lumat. The results of the study reveal that variety has a significant effect on disease intensity especially Sigambiri Merah but not on Kembiri Lumat. However, there is no significant effect of spacing on blast intensity except in grain weight. Conclusion of this research was the varieties (V) selection of red upland rice is the best strategy to improve rice resistance toward blast disease. Keywords:  Disease density, Paddy, Staple Crop. 
Pathogenicity Efficacy of Entomopathogen Fungus Beauveria bassiana Against In Vitro Rice Stem Borer (Scirpophaga innotata) Syahbudin Hasibuan; Zulfahmi Simbolon; Ifan Aulia Candra
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 13, No 2 (2024): June 2024
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v13i2.441-448

Abstract

White rice stem borer (Scirpophaga innotata) is one of the dangerous pests for rice (Oryzae sativa) because it attacks rice stems that can cause 50% loss of total production. The purpose of this study was to determine the pathogenicity of Entomopathogen Fungus Beauveria bassiana at different conidia dilutions (J), namely J1 (105), J2 (106), J3 (107), J4 (108), and J5 (109). The mortality of S. innotata larvae was tested with the density of B. bassiana of 2.08 × 106 conidia/ml. The effect of B. bassiana on the success transformation of S. innotata larvae to pupae for 14 observation day was also observed at the same B. bassiana density. This research resulted in the optimal pathogenicity of B. bassiana at dilution of 107 (treatment J3) which caused 100% death and 100% successful pupation. The lowest treatment was J5 (109 dilution) with a mortality rate of 50% and a successful pupation of 20%. The results of the probit analysis showed that the fastest average lethal time (LT50) value was found in treatment of 107 (J3) which reached 11.11 h. Keywords: Beauveria bassiana, Pathogenicity, Probit analysis, Scirpophaga innotata.
Co-Authors Deni Mudsan Eri Samah Lisdayani, Lisdayani Rizal Aziz Syahbudin Hasibuan Zulfahmi Simbolon Zulheri Noer