Results 41 to 50 of about 312,255 (275)

The potential leaves extract of Piper methysticum (piperaceae) as botanical insecticide against Crocidolomia pavonana (f.) larvae mortality (lepidoptera:crambidae)

open access: yesE3S Web of Conferences, 2018
The application of various agricultural technologies such as the using by fertilizers, pesticides, and clearing land will have resulted changes in the ecosystem.
Johana A. Mendes   +5 more
doaj   +1 more source

Status dan Mekanisme Resistensi Biokimia Crocidolomia pavonana (F.) (Lepidoptera: Crambidae) terhadap Insektisida Organofosfat serta Kepekaannya terhadap Insektisida Botani Ekstrak Biji Barringtonia asiatica

open access: yesJurnal Entomologi Indonesia, 2015
An examination of insect resistance was determined by several steps, i.e. standard sensitivity, resistance diagnosis, and determination of resistance level. Each phase was tested with feeding and residue contact methods at glass tube.
DANAR DONO   +4 more
doaj   +1 more source

Uji Efektivitas Pestisida Nabati Ekstrak Daun Pepaya (Carica papaya L.) dan Ekstrak Ubi Gadung (Dioscorea hispida Dennst) pada Mortalitas Penghisap Buah Kakao (Helopeltis spp.)

open access: yesJurnal Agro Industri Perkebunan, 2022
Fruit-sucking bugs (Helopeltis spp.) are one of the main pests on cocoa plants. The damage caused by this pest is by piercing and sucking the liquid of cocoa pods and young shoots.
Dryantama Azhari   +2 more
doaj   +1 more source

Compatibility Between Beauveria bassiana (Bals.) and Neem Extract against Brown Plant-Hopper (Nilaparvata lugens Stal.)

open access: yesIlmu Pertanian (Agricultural Science), 2019
Beauveria bassiana fungi and neem extract as botanical insecticide can be combined to get the synergizing effect to control brown planthopper (BPH). This study was conducted to determine the best combination between the spore density of B.
Nova Laili Wisuda   +2 more
doaj   +1 more source

Nanopesticide based on botanical insecticide pyrethrum and its potential effects on honeybees.

open access: yesChemosphere, 2019
Nanotechnology has the potential to overcome the challenges of sustainable agriculture, and nanopesticides can control agricultural pests and increase farm productivity with little environmental impact. However, it is important to evaluate their toxicity
C. R. Oliveira   +7 more
semanticscholar   +1 more source

Pengaruh Lama Penyimpanan dan Konsentrasi Aplikasi Ekstrak Biji Mahoni Hasil Fermentasi terhadap Efektivitasnya

open access: yesJurnal Agro Industri Perkebunan, 2017
Armyworm (Spodoptera litura F.) as a polyfagous insect is a key pest of either food crops or estate crops. The larva often attack leaves of beans, cereal, shallot, cabbage, cotton, tobacco, and sugarcane.
Hamdani Hamdani, Dedi Supriyatdi
doaj   +1 more source

Phylogenomic study of Burkholderia glathei-like organisms, proposal of 13 novel Burkholderia species and emended descriptions of Burkholderia sordidicola, Burkholderia zhejiangensis, and Burkholderia grimmiae [PDF]

open access: yes, 2016
Partial gyrB gene sequence analysis of 17 isolates from human and environmental sources revealed 13 clusters of strains and identified them as Burkholderia glathei Glade (BGC) bacteria.
Cooper, Vaughn S   +5 more
core   +3 more sources

Effect of picung (Pangium edule) plant extracts as a botanical pesticide on mortality of coffee berry borer (Hypothenemus hampei)

open access: yesCoffee and Cocoa Research Journal, 2014
Coffee pests known as coffe berry borer (CBB, Hypothenemus hampei) were main pests which decreasing the productivity of Indonesian coffee. One of pests controlling was done by insecticides.
soekadar wiryadiputra
doaj   +1 more source

Contact Toxicity and Ovideterrent Activity of Three Essential Oil-Based Nano-Emulsions against the Olive Fruit Fly Bactrocera oleae

open access: yesHorticulturae, 2022
The control strategies for the olive crop key pest, Bactrocera oleae, involve synthetic chemical insecticides and few eco-sustainable alternatives, such as ovideterrents and lures.
Giulia Giunti   +5 more
doaj   +1 more source

Do topical repellents divert mosquitoes within a community? Health equity implications of topical repellents as a mosquito bite prevention tool. [PDF]

open access: yes, 2013
OBJECTIVES: Repellents do not kill mosquitoes--they simply reduce human-vector contact. Thus it is possible that individuals who do not use repellents but dwell close to repellent users experience more bites than otherwise.
DC Chavasse   +22 more
core   +3 more sources

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