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Taufan Tanto Setyawan
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Perlakuan Udara Panas untuk Pengendalian Perkecambahan Spora Tilletia indica pada Gandum Nurul Dwi Handayani; Taufan Tanto Setyawan; Salbiah Salbiah; Dono Wahyuno; Meity Suradji Sinaga
Jurnal Fitopatologi Indonesia Vol. 14 No. 1 (2018)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (597.378 KB) | DOI: 10.14692/jfi.14.1.7

Abstract

Karnal bunt of wheat (Triticum aestivum) caused by Tilletia indica is a major concern in international trade because it can degrade quality significantly, and it is a quarantine pest for Indonesia. Tilletia infected seeds can be the source of fungal inoculum of other areas. The current research was aimed to determine the effectiveness of temperature and exposure time to control Tilletia using air heat treatment without reducing the quality of grain. The experiments were conducted in vitro, initiated by seed testing, including morphology-based detection and identification of Tilletia followed by a viability test of the seed. Air heat treatment was performed by adjusting the oven temperature at 75, 80, 85 °C and 28 °C (control) for 4 and 6 hr exposure time, each with three replications. The results showed that air heat treatment of the wheat at 75 °C for 4 hr was able to suppress teliospores germination of 56.7–61.7%, without denature protein content of the wheat. 
Aplikasi fosfin formulasi cair terhadap Thrips parvispinus Karny (Thysanoptera: Thripidae) pada bunga potong krisan Taufan Tanto Setyawan; Idham Sakti Harahap; Dadang Dadang
Jurnal Entomologi Indonesia Vol 13 No 2 (2016): Juli
Publisher : Perhimpunan Entomologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (701.538 KB) | DOI: 10.5994/jei.13.2.73

Abstract

Chrysanthemum (Chrysanthemum indicum) as one of horticultural commodities has a good prospect to be developed as source of country revenue. The export of cut flowers of chrysanthemum from Indonesia tends to increase year by year. However, Thrips parvispinus Karny (Thysanoptera: Thripidae) which is major insect pest of chrysanthemum often attacks this flower in the field until postharvest causing the decrease of quality of flowers. The poor quality of cut flowers of chrysanthemum including the presence of T. parvispinus will be rejected by foreign businesses. Therefore, control measures of this insect pest by quarantine officers are important. Treatment can be done using liquified formulation phosphine fumigant. The objectives of this study were to determine the concentration of liquified formulation phosphine and exposure time which will were effectively kill T. parvispinus and to evaluate the quality of cut flowers of chrysanthemums treated with phosphine fumigant. T. parvispinus was exposed to liquied formulation phosphine at 9 concentrations (0, 25, 50, 75, 100, 125, 150, 175 and 200 ppm) with 3 exposure times (1, 3, and 6 hours). Moreover,  validation test of concentration nd exposure time of liquified formulation phosphine on cut flowers of chrysanthemum was conducted to evaluate the quality of chrysanthemum cut flowers of treated with phosphine fumigant. Results showed that liquified formulation of phosphine at concentration  of 200 ppm  and on 1 hour of exposure time completely killed T. parvispinus by 100%  mortality. At 200 ppm and exposure time until 6 hours did not affect the quality of cut flowers of chrysanthemum.
Co-Authors DADANG DADANG Dono Wahyuno Idham Sakti Harahap Meity Suradji Sinaga Nurul Dwi Handayani Salbiah Salbiah