UTILIZATION OF PLANT EXTRACTS TO SUPPRESS Squash Mosaic Virus INFECTION ON RIDGED GOURD (Luffa acutangula [L.Roxb])

Putri, Maharani Mustika; Damayanti, Tri Asmira

doi:10.23960/jhptt.220108-115

Cited by 3 publications

(1 citation statement)

References 20 publications

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“…Previously, mechanical transmission of BCMV strain Black eye cowpea (BCMV-BlC) able to decreased severity and virus titer significantly by using leaf extract of bougainvillea (Bougainvillea spectabilis), four o'clocks (Mirabilis jalapa), and Celosia cristata (Damayanti dan Panjaitan 2014). Further, those of plant extracts able to manage Squash mosaic virus (SqMV) infecting ridged gourd effectively (Putri and Damayanti 2020). However, those plant extracts unable to suppresed the Cowpea mild mottle virus (CPMMV) titer on soybean, but interestingtly those of leaf extracts able to increases soybean tolerance even infected by virus and able to maintain the yield as well as healthy plants (Nurhidayah 2019).…”

Section: Introductionmentioning

confidence: 99%

Management effort of mottle virus by leaf extract of moringa (Moringa oleifera Lam.) and bougainvillea (Bougainvillea spectabilis Willd.) on peanut

Zulfi,

Damayanti,

Giyanto

2024

Agrovigor

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Peanut mottle virus is one of peanut production constrain worldwide. It is transmitted by aphid vectors and by seeds. One of the efforts to manage viruses is by using plant extracts. This study aims to test the potency of moringa and bougainvillea leaf extract to suppress mottle virus infection in peanuts. The test consisted of four treatments: healthy control, untreated control infected by the virus, moringa, and bougainvillea leaf extracts treatment infected by the virus. The disease assessment and agronomic parameters were observed weekly. The results showed that the spray application of moringa and bougainvillea leaf extract showed lower disease incidence, significantly able to prolong the incubation period, decreased disease severity, and as well as virus titer significantly in comparison to the control. The area under the disease progress curve among leaf extract treatments was significantly different but was significantly lower in comparison to untreated control infected by the virus. The germination percentage, vigor index, and plant height were not significantly different among treated plants and control, except for the leaf numbers. In addition, the growth vigor of treated plants was better than the control. These indicate that both plant leaf extracts have antiviral activity and the ability to improve plant growth.

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Section: Introductionmentioning

confidence: 99%

Management effort of mottle virus by leaf extract of moringa (Moringa oleifera Lam.) and bougainvillea (Bougainvillea spectabilis Willd.) on peanut

Zulfi,

Damayanti,

Giyanto

2024

Agrovigor

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Combination of Barrier Corp, Chitosan, Bougaivillea Leaf Extract to Manage Virus on Soybean

Cahyati,

Damayanti,

Santoso

2023

J Fitopatol Indones

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Infeksi virus menjadi salah satu pembatas produksi kedelai di Indonesia. Penelitian bertujuan menguji efektivitas kitosan, ekstrak daun bugenvil, dan kombinasinya, serta insektisida dalam mengendalikan infeksi virus pada kedelai di lapangan. Efektivitas perlakuan diuji dalam petak utama tanpa dan dengan pembatas jagung. Peubah penyakit, populasi serangga, dan peubah agronomi diamati mingguan. Populasi kutudaun pada perlakuan kontrol dengan tanaman pembatas lebih rendah daripada perlakuan kontrol tanpa tanaman pembatas, menunjukkan tanaman pembatas mampu menghalangi kutudaun masuk ke pertanaman kedelai. Inkorporasi perlakuan kitosan, ekstrak daun bugenvil, dan kombinasinya mampu menekan populasi kutudaun sebanding dengan perlakuan insektisida pada kedua petak utama. Area under population progress curve (AUPPC) kutudaun selaras dengan lebih rendahnya area under disease progress curve (AUDPC), insidensi dan keparahan penyakit serta AUDPC secara nyata dibandingkan dengan kontrol tanpa perlakuan. Efektivitas perlakuan pada petak dengan tanaman pembatas mampu menurunkan populasi kutudaun, insidensi dan keparahan penyakit lebih tinggi dibandingkan dengan perlakuan yang sama pada petak tanpa tanaman pembatas. AUDPC antarperlakuan kitosan, ekstrak daun bugenvil, kombinasi, dan insektisida secara umum berbeda nyata lebih rendah pada kedua petak utama dibandingkan dengan kontrol tanpa perlakuan. Hasil panen kedelai menunjukkan lebih tinggi secara signifikan daripada perlakuan kitosan, ekstrak daun bugenvil, dan kombinasinya dibandingkan dengan perlakuan kontrol pada kedua petak utama. Penggunaan tanaman pembatas yang disatukan dengan salah satu perlakuan kitosan dan ekstrak daun bugenvil dapat menjadi paket pengelolaan yang ramah lingkungan untuk mengendalikan infeksi virus pada tanaman kedelai di lapangan.

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Nanoparticles of Chitosan and Bougainvillea Leaf Extract: Characterization and Its Application to Control Bean common mosaic virus strain Blackeye Cowpea

Islami,

Damayanti,

Santoso

et al. 2024

J Fitopatol Indones

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Kitosan dan ekstrak kasar daun bugenvil diketahui mampu mengendalikan beberapa virus tanaman termasuk Bean common mosaic virus strain Blackeye Cowpea (BCMV-BlC). Untuk mengurangi penggunaan bahan baku dan peningkatan keefektifan juga stabilitasnya, kedua bahan perlu disintesis menggunakan teknologi nanpopartikel (NP). Penelitian bertujuan menyintesis nanopartikel kitosan, ekstrak daun bugenvil, dan kombinasinya menggunakan modifikasi metode gelasi ionik, mengarakterisasi NP dan mengevaluasi potensi NP untuk mengendalikan BCMV-BlC pada tanaman indikator Chenopodium amaranticolor. Nanopartikel kitosan (Kit-NP), ekstrak daun bugenvil (EDB-NP), dan kombinasinya (KEDB-NP) berhasil disintesis dengan rata-rata ukuran partikel berturut-turut sebesar 99.72, 163.68, dan 221.42 nm berdasarkan pengamatan di bawah transmission electron microscope (TEM) dan berbentuk bola (sferis) berdasarkan hasil analisis scanning electron microscope (SEM). Hasil analisis fourier transform infrared (FTIR), KEDB-NP menunjukkan gugus fungsi berturut-turut hidroksil, alkena, amina, cincin aromatik, dan senyawa alifatik organohalogen. Daun C. amaranticolor yang diberi perlakuan Kit-NP, EDB-NP, KEDB-NP dan juga non-NP pada konsentrasi 100-800 ppm sebelum inokulasi virus menunjukkan jumlah rata-rata lesio lokal nekrotik (LLN) nyata lebih rendah dibandingkan kontrol tanaman sakit tanpa perlakuan dan tidak berbeda nyata antarkonsentrasi. Perlakuan NP dan non-NP sebelum inokulasi virus secara nyata memperpanjang periode inkubasi dan menekan pembentukan LLN dengan keefektifan 67.5%–100% dibandingkan dengan aplikasi setelah inokulasi virus. Di antara konsentrasi yang diuji, konsentrasi NP antara 100 dan 300 ppm yang diaplikasikan sebelum penularan virus menunjukkan paling efektif dalam menghambat pembentukan LLN. Sintesis EDB-NP, Kit-NP, dan KEDB-NP menggunakan sangat sedikit bahan baku, namun keefektifannya sebanding dengan bentuk non-NPnya dalam mengendalikan infeksi BCMV.

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UTILIZATION OF PLANT EXTRACTS TO SUPPRESS Squash Mosaic Virus INFECTION ON RIDGED GOURD (Luffa acutangula [L.Roxb])

Cited by 3 publications

References 20 publications

Management effort of mottle virus by leaf extract of moringa (Moringa oleifera Lam.) and bougainvillea (Bougainvillea spectabilis Willd.) on peanut

Management effort of mottle virus by leaf extract of moringa (Moringa oleifera Lam.) and bougainvillea (Bougainvillea spectabilis Willd.) on peanut

Combination of Barrier Corp, Chitosan, Bougaivillea Leaf Extract to Manage Virus on Soybean

Nanoparticles of Chitosan and Bougainvillea Leaf Extract: Characterization and Its Application to Control Bean common mosaic virus strain Blackeye Cowpea

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