نتایج جستجو برای: neem leaves

تعداد نتایج: 80900  

2017
R. Prasanna

The present study reveals that the selected plants would exert several benefits by virtue of their antioxidant activity and could be harnessed as antimicrobial, anti-inflammatory and anti-corrosive agents. The aqueous and Ethanol crude extract of Neem, Hibiscus leaves and the mixture of both leaves' extract were screened for their free radical scavenging properties. Free radical scavenging acti...

2004
D. Obeng-Ofori J. Sackey

In a two-year study, aqueous seed extracts of the neem tree Azadirachta indica A. Juss (Meliaceae) and Bacillus thurigiensis (Bt) were evaluated in the field for the management of pests of okra, Abelmoschus esculentus (L.) Moench. The aqueous neem seed extracts were applied at the rate of 30, 50, 75 and 100 g/l and B.thurigiensis was applied at the rate 1.0 g/l of water. Actellic 25 EC, a synth...

2017
R. Prasanna

The Present studies was carried to evaluate the antimicrobial activity against soil microbes which causes corrosion on buried metal in acidic mediated soil by agar well diffusion using aqueous and ethanol extract of Neem leaves. These plants were subjected to solvent extraction with water and ethanol on increasing the polarity to identify and isolate the antimicrobial active materials. Crude aq...

2013
M. Rajeswari Prabha B. Ramachandramurty

The neem tree has long been recognized for its unique properties, both against insects and in improving human health. Every part of the tree has been used as a traditional medicine for household remedy against various human ailments, from antiquity. Although the occurrence of various phytochemicals in neem has been studied, we have identified the presence of a novel tripeptide in the young leav...

Journal: :Nigerian journal of physiological sciences : official publication of the Physiological Society of Nigeria 2009
Ugochukwu B Anyaehie

The global scenario is now supporting the development of modern drugs from less toxic plant products with proven medicinal properties. Each part of neem plant [Azadirachta indica A. Juss] reportedly have various medicinal properties and has been in use in many continents for centuries. Recently, a fractionated neem-leaf extract known as IRAB with reported activities against Malaria, HIV/AIDS an...

2015
Savita Rani

In India, several species of Meloidogyne are reported on a variety of vegetables, cereals, pulses and ornamental plants. Root knot disease caused by M.incognita is a matter of great concern because this species affects several economically important crop plants. Okra is a very important crop by nutrition and health wise. In the present study the application of various parts of neem (seeds, leav...

Journal: :کشاورزی (منتشر نمی شود) 0
مسعود اربابی دانشیار، بخش تحقیقات جانورشناسی کشاورزی، موسسه تحقیقات گیاهپزشکی کشور پروانه برادران مربی، بخش تحقیقات جانورشناسی کشاورزی، موسسه تحقیقات گیاهپزشکی کشور سید جواد قطب شریف استادیار تحقیقات آفت کش ها، موسسه تحقیقات گیاهپزشکی کشور، اوین، تهران محمدرضا تاج بخش کارشناس بخش تحقیقات آفت کش ها، موسسه تحقیقات گیاهپزشکی کشور، اوین، تهران مهدی خسروشاهی دانشیار، بخش تحقیقات جانورشناسی کشاورزی، موسسه تحقیقات گیاهپزشکی کشور

effect of oil neem seed extract and the neem kernel powder mixed with methanol 85% and ethanol 95% were investigated on two spotted spider mite (tetranychus urticae) under greenhouse (25 ± 5 °c and 40 ± 10% r. h.) and laboratory conditions. mortality percent of each above-mentioned solvent in different concertrations (0.03, 0.06, 0.09, 0.12, 0.15, 0.2, 0.3 and 0.5%) by three methods (leaf dip, ...

Journal: :Molecules 2014
Hisashi Kato-Noguchi Md Abdus Salam Osamu Ohno Kiyotake Suenaga

Neem (Azadirachta indica) has been widely used as a traditional medicine and several bioactive compounds have been isolated from this species, but to date no potent allelopathic active substance has been reported. Therefore, we investigated possible allelopathic property and phytotoxic substances with allelopathic activity in neem. An aqueous methanol extract of neem leaves inhibited the growth...

2014
S. BALASUBRAMANIAN

Azadirachta indica, is locally called as “Neem” belongs to the family Meliaceae. “Neem” is a medicinal herb traditionally used for the treatment of Diabetes, leprosy and Respiratory diseases. The present study was carried out to identify the phytocomponents present in the methanolic extract of the leaves of Azadirachta indica by GC-MS analysis. From the GC-MS results five compounds were identif...

Journal: :Comparative biochemistry and physiology. Toxicology & pharmacology : CBP 2007
Elissandra U Winkaler Thiago R M Santos Joaquim G Machado-Neto Cláudia B R Martinez

The aim of this study was to determine the toxicity of the aqueous extract of neem leaves, a product extensively used in fish-farms as alternative for the control of fish parasites and fish fry predators, for the neotropical fish Prochilodus lineatus. The 24 h LC(50) of neem leaf extract for juveniles P. lineatus was estimated as 4.8 g L(-1); the fish were then exposed for 24 h to 2.5, 5.0 and ...

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