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All Journal Agrimeta: Agrimeta: Jurnal Pertanian Berbasis Keseimbangan Ekosistem Jurnal Bioindustri Journal of Bioindustry
Hasjim, Syaifuddin
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Energy Environmental Science

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ANALISIS NILAI PENTING GULMA PADA TANAMAN PADI DALAM RANGKA PEMILIHAN PENGENDALIAN RAMAH LINGKUNGAN Hoesain, Mohammad; Hasjim, Syaifuddin; Widodo, Nur; Harsita, Pradiptya Ayu
Agrimeta: Jurnal Pertanian Berbasis Keseimbangan Ekosistem Vol 9 No 17 (2019): Agrimeta: Jurnal Pertanian Berbasis Keseimbangan Ekosistem
Publisher : Fakultas Pertanian Universitas Mahasaraswati Denpasar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (517.733 KB)

Abstract

Weeds is crops that can compete, disturb and reduce total of rice plants production. The purpose of this research was to determine the important value index of weeds on rice plants. Research method is used vegetative analysis with square method, vegetative and generative phase. Parameters that are observed were Density (K), Relative Density (KR), Frequency (F), Relative Frequency (FR), Important value Index (IVI). Result of the research showed that type of weed in rice plants vegetative phase were had highest score consecutively are Fimbristylis miliacea (L) Vahl.58.26; Hydrolea spinosa L. 39.57:Sphenoclea zeylanica Gaertn 39.40;. While, type of weeds in generative phase results are Leptochloa chinensis (L) Ness 60.88; Fimbristilis milaceae (L) Vahl 56.82; Cyperus iria L. 38.65.  In based on the important value of weed of environmental friendly control includes pre-planting land processing, floading of several days in the vegetative phase and weeding.
POPULATION DISTRIBUTION OF FRUIT FLIES PEST BACTROCERA SP. ON PAPAYA PLANTS IN SEVERAL LOCATIONS IN JEMBER DISTRICT Gressia, Gene; Hasjim, Syaifuddin
JURNAL BIOINDUSTRI (JOURNAL OF BIOINDUSTRY) Jurnal Bioindustri: Vol. 6 No. 1 (2023)
Publisher : Universitas Trilogi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31326/jbio.v6i1.1687

Abstract

Papaya (Carica papaya L.) is a fruit with high economic value. Papaya production in Jember District in 2020 has decreased drastically to 55.8%. Production figures decreased from 215 thousand tons in 2019 to 95.1 thousand tons in 2020. The decline in production can be influenced by various factors, one of which is the lack of superior varieties cultivated and the development of pests and diseases. Fruit flies Bactrocera sp. are one of the pests that attack papaya plants and can cause fruit production failure in large quantities. Population distribution of fruit fly Bactrocera sp. on papaya plants needs to be investigated to determine its relationship with the intensity of attack by fruit fly pests Bactrocera sp. on papaya plants. This research was conducted on papaya plants in several locations in the Jember District. Sampling of fruit flies was carried out by setting traps using the Diagonal Sampling Technique by taking 5 sample points on each plot so that the sample points totaled 15 points. Data samples for calculating attack intensity were carried out by observing papaya fruit on 4 trees around the trap installation. So observations regarding the intensity of attacks were carried out on 60 papaya trees. The results showed that the distribution of fruit fly pest populations had a morbidity index value (Id < 1), meaning that fruit fly pests on papaya plantations had a regular distribution pattern. The intensity of attack by fruit flies on papaya plants is categorized as low attack intensity of 0% to 11.11%.
POPULATION DISTRIBUTION OF FRUIT FLIES PEST BACTROCERA SP. ON PAPAYA PLANTS IN SEVERAL LOCATIONS IN JEMBER DISTRICT Gressia, Gene; Hasjim, Syaifuddin
JURNAL BIOINDUSTRI (JOURNAL OF BIOINDUSTRY) Jurnal Bioindustri: Vol. 6 No. 1 (2023)
Publisher : Universitas Trilogi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31326/jbio.v6i1.1687

Abstract

Papaya (Carica papaya L.) is a fruit with high economic value. Papaya production in Jember District in 2020 has decreased drastically to 55.8%. Production figures decreased from 215 thousand tons in 2019 to 95.1 thousand tons in 2020. The decline in production can be influenced by various factors, one of which is the lack of superior varieties cultivated and the development of pests and diseases. Fruit flies Bactrocera sp. are one of the pests that attack papaya plants and can cause fruit production failure in large quantities. Population distribution of fruit fly Bactrocera sp. on papaya plants needs to be investigated to determine its relationship with the intensity of attack by fruit fly pests Bactrocera sp. on papaya plants. This research was conducted on papaya plants in several locations in the Jember District. Sampling of fruit flies was carried out by setting traps using the Diagonal Sampling Technique by taking 5 sample points on each plot so that the sample points totaled 15 points. Data samples for calculating attack intensity were carried out by observing papaya fruit on 4 trees around the trap installation. So observations regarding the intensity of attacks were carried out on 60 papaya trees. The results showed that the distribution of fruit fly pest populations had a morbidity index value (Id < 1), meaning that fruit fly pests on papaya plantations had a regular distribution pattern. The intensity of attack by fruit flies on papaya plants is categorized as low attack intensity of 0% to 11.11%.
Co-Authors Gressia, Gene Hoesain, Mohammad Nur Widodo Pradiptya Ayu Harsita