Repellent Effect of the Pandanus (&lt;em&gt;Pandanus amaryllifolius&lt;/em&gt; Roxb.) and Neem (&lt;em&gt;Az&lt;/em&gt;&lt;em&gt;adirachta indica&lt;/em&gt;) Against Rice Weevil &lt;em&gt;Sitophilus oryzae&lt;/em&gt; L. (Coleoptera, Curculionidae)

Fauzi, Slamet; Prastowo, Sigit

doi:10.20944/preprints202107.0123.v1

Cited by 3 publications

(3 citation statements)

References 27 publications

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“…In addition to Azadirachtin, neem leaves contain alkaloid compounds, nimbidine, tannins and resins. Such bioactive compounds are commonly used on the basis of plant pesticides, whose contents are the target of bioinsecticide combination studies [18].…”

Section: Fig 2 C Ferruginea Individualized In a Petri Dish With A Eucalyptus Seedling Leaf Previously Treated At The Selected Concentratimentioning

confidence: 99%

Effect of the Aqueous Extract of Neem Leaves (Azadirachta indica A. Juss.) on the Control of Costalimaita ferruginea (Fabricius, 1801)

Lima

Almeida

Freitas

et al. 2021

ARRB

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Aims: Evaluate the insecticidal effect of the aqueous extract of neem leaves on the control of Costalimaita ferruginea in eucalyptus. Place and Duration of Study: Entomology Laboratory of the Center for Agricultural Sciences (CCA) of the State University of the Tocantina Region of Maranhão (UEMASUL) between November 2016 and July 2017. Methodology: Neem aqueous extract solutions were tested at concentrations of 40, 60 and 80%, and the control group treated with mineral water. Leaves of eucalyptus seedlings were immersed in each concentration and individualized in Petri dishes together with the insects. The design was completely randomized with four treatments and ten repetitions, each repetition consisting of a Petri dish with an insect and a eucalyptus leaf. The evaluations were carried out daily, analyzing the mortality of adults, and the leaves were replaced by others submitted to the same treatment and procedure described above. Results: In the evaluations of 12, 60, 72 and 84 hours there was no significant difference. 36 hours after the implementation of the experiment, the 60% neem concentration resulted in 100% mortality of specimens. Conclusion: The 60% neem concentration is the most efficient due to its rapid effect on C. ferruginea mortality and economy of raw material for production.

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Section: Fig 2 C Ferruginea Individualized In a Petri Dish With A Eucalyptus Seedling Leaf Previously Treated At The Selected Concentratimentioning

confidence: 99%

Effect of the Aqueous Extract of Neem Leaves (Azadirachta indica A. Juss.) on the Control of Costalimaita ferruginea (Fabricius, 1801)

Lima

Almeida

Freitas

et al. 2021

ARRB

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“…Rani (2017) also found insecticidal properties of turmeric powder against S. oryzae [31] whereas biologically active constituent of Curcuma rhizome was characterized as the sesquiterpene ketone arturmerone by spectroscopic analysis that also showed significant insecticidal properties [32]. In a recent study in Indonesia, the application of neem leaf powder at 10 g in rice cause significant mortality of weevils and less weight loss of rice grains [33].…”

Section: Discussionmentioning

confidence: 99%

Efficacy of Indigenous Crude Plant Extracts against Rice Weevil, Sitophilus oryzae L. 1763 (Coleoptera: Curculionidae)

Imran

Bashir

Kubar

et al. 2022

PPASB

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Rice weevil, Sitophilus oryzae L. (Coleoptera: Curculionidae) is a widely distributed and major insect pest of rice that causes considerable losses to both husked and unhusked rice grains. Plant-based pesticides are alternative to synthetic pesticides in managing stored product pests owing to their severe hazardous effects. Thus, locally available plant leaf crude extracts i.e., neem (Azadirachta indica A. Juss 1830), turmeric (Curcuma longa L. 1753), and mint (Mentha longifolia L. Huds. 1762) were investigated at 2 % (w/w) concentration against S. oryzae in unhusked and husked rice. Adult mortality was recorded at 24, 48 hours, and seven days after the application whereas, population build-up was recorded at 1-, 2-, and 3-months intervals. Overall and grain weight loss was also recorded at the end of the experiment. In husked and unhusked rice, the highest mortality percentage was observed in turmeric powder (93.30 %) and neem (80.00 %), respectively. In comparison to plant extracts, relatively higher population growth of S. oryzae was recorded in control husked and unhusked rice. At the end of the 3rd month, the highest and lowest population in husked rice grains was recorded in control (70.67 ± 3.18) and turmeric treatments (18.00 ± 2.65), respectively, whereas control and neem treatments exhibited the highest (83.67 ± 3.28) and lowest (39.67 ± 2.33) populations in unhusked rice. The lowest grain weight loss in husked and unhusked rice was recorded in turmeric (9.33 %) and neem (16.67 %), respectively. Thus, turmeric and neem extracts should be investigated on large scale under commercial warehouses for the management of S. oryzae in husked and unhusked rice.

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“…Lemongrass and pandan are aromatic crops that are widely used commercially all over the world and can be grown easily in most soils or environments due to their adaptability and characteristics [7,8]. Pandan tree was found to be beneficial in multiple aspects, such as pest repellent and soil nutrient improvement [9,10]. Choonharuangdej et al [11] stated that lemongrass has the ability to inhibit the rate of fungus (C. Albicans) infection on other crops due to the presence of secondary metabolites found in the leaf of lemongrass.…”

Section: Introductionmentioning

confidence: 99%

Soil Macrofauna Abundance in the Intercropping of Mangifera Indica with Aromatic Plants

Iqbal Usamah,

Lee Yit Leng,

Noor Hasyierah Salleh

et al. 2023

ASET

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Soil macrofauna such as earthworms, beetles, ants, and centipedes are an important aspect of soil health as they help in the breakdown of plant residue to provide natural resources such as carbon, nitrogen, and phosphorous into the soil. Monocropping practice uses heavy machinery, pesticides, and herbicides to maintain farm productivity, which negatively impacts soil macrofauna abundance. Thus, intercropping is a sustainable practice for farmers to maintain soil health with the minimal use of external input, which can do more harm to the soil ecosystem over a long period of time. The objective of the study is to evaluate the effect of intercropping mango with pandan and lemongrass on soil macrofauna density compared to mango monocrop. The field experiment consisted of mango, mango-pandan intercrops, and mango-lemongrass intercrops. Soil macrofauna was assessed using the tropical soil biology and fertility (TSBF) monolith method. The result showed that intercropping of mango-lemongrass and mango-pandan had higher soil macrofauna density compared with mango monocrop due to the presence of intercrops providing more natural resources and a better soil environment for soil macrofauna to grow and reproduce. However, further long-term research is needed to reinforce these findings.

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Repellent Effect of the Pandanus (<em>Pandanus amaryllifolius</em> Roxb.) and Neem (<em>Az</em><em>adirachta indica</em>) Against Rice Weevil <em>Sitophilus oryzae</em> L. (Coleoptera, Curculionidae)

Cited by 3 publications

References 27 publications

Effect of the Aqueous Extract of Neem Leaves (Azadirachta indica A. Juss.) on the Control of Costalimaita ferruginea (Fabricius, 1801)

Effect of the Aqueous Extract of Neem Leaves (Azadirachta indica A. Juss.) on the Control of Costalimaita ferruginea (Fabricius, 1801)

Efficacy of Indigenous Crude Plant Extracts against Rice Weevil, Sitophilus oryzae L. 1763 (Coleoptera: Curculionidae)

Soil Macrofauna Abundance in the Intercropping of Mangifera Indica with Aromatic Plants

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