Jurnal TINGKAT SERANGAN PENYAKIT-PENYAKIT PENTING PADA 20 GENOTIPE TANAMAN CABAI( Capsicum annum L)

Jurnal TINGKAT SERANGAN PENYAKIT-PENYAKIT PENTING PADA 20 GENOTIPE TANAMAN CABAI( Capsicum annum L)

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Destinawati, Nelly and Tunjung, Pamekas and Dwi, Wahyuni ​​Ganefianti
  

(2018)

LEVEL OF ATTACKS OF IMPORTANT DISEASES IN 20 PLANT GENOTYPE CABAI (Capsicum annum L).

    Undergraduated thesis, Bengkulu University.
  

  

Abstract

The limiting factor for increasing national chili productivity is the attack of pests, diseases and weeds. Common diseases in chili plants can be caused by fungi, bacteria, nematodes and viruses. This study aims to identify and evaluate the rate of attack of important diseases in 20 chili plants in Bengkulu. This study used a randomized complete group design (RKLT), 3 replications with a single factor, namely 20 genotypes of chili with 10 plants per row. The material used as an insulation medium is PDA media. This research was conducted in April – August 2015, in the Plant Protection Laboratory of the Faculty of Agriculture and the experimental field of the Agronomy Department of Agriculture, Faculty of Agriculture, University of Bengkulu. The results show that there are four important diseases that attack chili plants in the field, these diseases are; Fusarium wilt is caused by the pathogen Fusarium oxysporum, leaf spot disease caused by the pathogen Cercospora Sp, anthracnos fruit rot caused by the pathogen Colletotricum Sp, and chlorosis disease caused by viral pathogens. The incubation period of the fastest leaf spot was found in the G35 chili variety for 14.33 days, while the longest 22.87 days was in the G67. Genotype G77 was a genotype that was susceptible to viral diseases with a virus attack percentage of 37.78%. Bengkulu Local Genotype is a variety that is resistant to virus attacks, with a percentage of attacks of 18.13%. The genotype UNIBCG151 has the lowest intensity of leaf spot attack, which is 1.50%, with the highest attack in the G48 Genotype which is 8.05%

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