AKTIVITAS JAMUR ENTOMOPATOGEN ENDOFIT PADA Spodoptera frugiperda YANG DIBIAKAN PADA PAKAN BUATAN DAN POTENSI JAMUR DALAM MENINGKATKAN PERTUMBUHAN JAGUNG

RINDIANI, DELLANIA EKA and Herlinda, Siti and Suwandi, Suwandi (2024) AKTIVITAS JAMUR ENTOMOPATOGEN ENDOFIT PADA Spodoptera frugiperda YANG DIBIAKAN PADA PAKAN BUATAN DAN POTENSI JAMUR DALAM MENINGKATKAN PERTUMBUHAN JAGUNG. Masters thesis, Sriwijaya University.

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Abstract

Spodoptera frugiperda (FAW) (Lipidoptera: Noctuidae) is a new pest and is the main pest of corn crops in Indonesia. S. frugiperda larvae only come out in the morning to look for food and the rest of the time hide in the rolls of young corn leaves so that endophytic entomopathogenic fungi are needed for effective, efficient and environmentally friendly sustainable management. In addition, on a laboratory scale, multiplication of test insects using artificial feed was also carried out. This research aims to determine the effect of providing seven types of butane feed from wild plants on the growth and development of S. frugiperda, to determine the effect of corn inoculated with endophytic fungi by seed treatment on the growth and development of S. frugiperda, the impact on corn growth and the effect on the severity intensity. symptoms of attacks caused by S. frugiperda larvae in the field. The fungal isolates used were from the collection of the Sriwijaya University Entomology Laboratory which was explored in 2020, consisting of 21 isolates, then the 10 best endophytic fungal isolates were selected with a total of 5 species, namely Beauveria bassiana, Penicillium citrinum, Metarhizium anisopliae, Curvularia lunata, Chaetomium sp. This research method is divided into two, Completely Randomized Design (CRD) with two applications, namely testing seven types of artificial feed, namely with the composition of corn (Zea mays L.) as a control, kale leaves (Ipomoea reptans), water kale leaves (Ipomoea aquatica). Forsk), annual spinach leaves (Amaranthus hybridus L.), mulberry leaves (Morus rubra), kolonjono grass leaves (Brachiaria mutica) and setaria grass leaves (Setaria sphacelata) which were repeated 5 times and the second application tested 10 isolates of endophytic entomopathogenic fungi with 3 repetitions in the laboratory. The second design was a Randomized Block Design (RAK) which was carried out in experimental fields and greenhouses using 3 isolates which were repeated 4 times. The results of this study showed that the best artificial feed composition was obtained from spinach (Amaranthus hybridus L.) leaf treatment which was able to produce the highest weight of 6th instar larvae (212.58 mg) and the highest number of eggs found on pigweed plants (120.38 eggs per female). . Meanwhile, the effect of inoculation with endophytic entomopathogenic fungi had a negative impact on the growth and development of S. frugiperda. Starting from the larvae experiencing a decrease in appetite, experiencing mortality to the ability to lay eggs decreasing drastically. This is different from S. frugiperda which has a negative impact, the opposite is true for corn plants. Inoculation of endophytic entomopathogenic fungi has a positive effect on the growth rate of corn plants. The conclusion of this research is that fungal treatment on corn seedlings has a negative impact on the growth and development of S. fruigiperda but has a positive impact on corn plants and can stimulate the growth of corn plants. Key words: Endophytic entomopathogenic fungi, fall armyworm, seed treatment and Zea mays

Item Type:	Thesis (Masters)
Uncontrolled Keywords:	Jamur entomopatogen endofit, fall armyworm, perlakuan benih dan Zea mays
Subjects:	S Agriculture > S Agriculture (General) > S530-559 Agricultural education
Divisions:	05-Faculty of Agriculture > 54104-Botany (Plant Science) (S2)
Depositing User:	Dellania Eka Rindiani
Date Deposited:	22 May 2024 07:39
Last Modified:	22 May 2024 07:39
URI:	http://repository.unsri.ac.id/id/eprint/145187

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