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Subagiya Subagiya
Universitas Sebelas Maret
Agriculture, Biological Sciences & Forestry

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Efektivitas Tumpangsari Kunyit terhadap Penekanan Nematoda Sista Kuning pada Kentang Dini Munawaroh; Subagiya Subagiya; Susilo Hambeg Poromarto
Agrosains : Jurnal Penelitian Agronomi Vol 21, No 1 (2019): Agrosains: Jurnal Penelitian Agronomi
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/agsjpa.v21i1.27174

Abstract

Golden cyst nematode is one of the important pests that causes potatoes loss yield. Globodera rostochiensis is the pest that difficult to control because it can withstand in adverse environmental conditions. In Indonesia, golden cyst nematode was first discovered in 2003 in East Java. One of the methods that used in this research is intercropping system. The main objectives in this study was to examine how the effect of turmeric plants on intercropping system to cysts population and amount of eggs on golden cyst nematode and the use of turmeric plants is expected to reduce the application of nematicides. This research was conducted on November 2017-February 2018, in Dieng Banjarnegara. The results show the effect of turmeric on intercropping system had not been able to control the cysts population through the eggs, beside that the eggs are not decrease due to genetic factors of each nematode and environment that effect on eggs formation. But the balancing of use turmeric plants on intercropping system could reduce the cysts population. It can be seen on K1P1 (1 Potato : 1 Turmeric) treatment that showed of decreases of cysts population compared to control treatment. The difference on cysts population is caused by turmeric root exudates.
Efek Limbah Padat Minyak Kayu Putih terhadap Populasi Nematoda Sista Kuning dan Pertumbuhan Kentang Yogo Laksono; Subagiya Subagiya; Supriyadi Supriyadi; Susilo Hambeg Poromarto
Agrotechnology Research Journal Vol 3, No 1 (2019): Agrotechnology Research Journal
Publisher : Perkumpulan Agroteknologi/Agroekoteknologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (231.615 KB) | DOI: 10.20961/agrotechresj.v3i1.27176

Abstract

Potato cyst nematode (PCN) is a pest organism on potato being able to reduce the yield of potatoes. The damage caused by the pest on potato yield about 50-75 %, so need to control the PCN by using natural pesticides. Eucalyptus oil waste may be used as natural pesticides, because these oil can volatile with many active compounds. This study aims to assess the effect of provision of solid waste of eucalyptus oil against populations of PCN, growth and yield of potatoes. The research method was used a randomized completely block design. There were two factors, namely the storage age of the waste (age one year and 5-6 year) and dosage (100 g, 200 g and 400 g). The research variable was the population of nematodes in the soil, the plant height and potato yields. Provision of the waste was able to reduce the population of the cyst as much of 39.7%. Treatment with the waste was reduce the eggs of nematodes at 26.3%, so treatment of waste a year was able to reduce the average cyst by 42.7%. A dose of waste 400 g provided the results of the population PCN low (222.1 every 100 g of soil for cyst and 0.06 every 100 g soil to PCN juvenile 2) compared with another dose. Treatment with a dose of 400 grams was able to reduce the population of cyst by 26%. The smallness of the population of PCN influenced by several factors such as the chemical compounds contained in the waste eucalyptus oil of . The growth of higher plants which was highest at a dose of 400 g (17.06 cm) with the highest yield i.e. 12.34 g.
Co-Authors Dini Munawaroh Supriyadi Supriyadi Susilo Hambeg Poromarto Yogo Laksono