Farmpedia – Agricultural Encyclopedia for Farmers - Recent changes [en]

← Older revision		Revision as of 17:29, 15 April 2026
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	<p>• https://www.fao.org/docrep/015/i2433/i/i2433e.pdf</p>		<p>• https://www.fao.org/docrep/015/i2433/i/i2433e.pdf</p>
	<p><b>Appendix</b></p>		<p><b>Appendix</b></p>
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	<p>M2 = 100 - [W1 (100 - M1)/W2]</p>		<p>M2 = 100 - [W1 (100 - M1)/W2]</p>
	<p>W1 = weight of undried grain (kg)</p>		<p>W1 = weight of undried grain (kg)</p>

Neem-to-combat-pests-during-grain-storage-and-the-field

Mamta — Wed, 15 Apr 2026 13:03:16 GMT

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	<p>Neem (Azadirachta indica) is a fast growing, drought tolerant deciduous, evergreen tree of Indo-Malay origin but now widely grown throughout the tropics and subtropics including in Africa (World Agroforestry Centre, 2011). Neem leaves and fruit have been in use since pre-history for a variety of purposes including ethnobotanical, medicinal, cultural and agricultural (Jamir, 1999; Harbant, & Mohamed, 2012). The plant or its extracts can be used as a multi-functional natural pesticide, for example as a seed coating to maintaining food quality during storage (Nisar, 2009), as a spray on field crops (Baidoo, 2012), and even as an adjunct prophylactic (preventative medicine) in aquaculture (Kumar, 2013). Neem can be used as an effect biopesticide in tropical vegetable gardens (e.g. kale and cabbage in Thailand) which often use large amounts of commercial pesticides (Tran 2003). The functionality of neem is due to some 35 active ingredients, among which are anti-feedants, deterrents, growth and reproduction limiting (sterility) compounds. Azadirachtin (Fig.1),</p>		<p>Neem (Azadirachta indica) is a fast growing, drought tolerant deciduous, evergreen tree of Indo-Malay origin but now widely grown throughout the tropics and subtropics including in Africa (World Agroforestry Centre, 2011). Neem leaves and fruit have been in use since pre-history for a variety of purposes including ethnobotanical, medicinal, cultural and agricultural (Jamir, 1999; Harbant, & Mohamed, 2012). The plant or its extracts can be used as a multi-functional natural pesticide, for example as a seed coating to maintaining food quality during storage (Nisar, 2009), as a spray on field crops (Baidoo, 2012), and even as an adjunct prophylactic (preventative medicine) in aquaculture (Kumar, 2013). Neem can be used as an effect biopesticide in tropical vegetable gardens (e.g. kale and cabbage in Thailand) which often use large amounts of commercial pesticides (Tran 2003). The functionality of neem is due to some 35 active ingredients, among which are anti-feedants, deterrents, growth and reproduction limiting (sterility) compounds. Azadirachtin (Fig.1),</p>
	<p>[[File:~~Capture_123~~.webp]]</p>		<p>[[File:Capture 123.webp]]</p>
	<p>a complex terpenoid, is widely considered to be the most active insecticidal ingredient (Schmutterer, 1990). While the seeds have the highest concentration of azadirachtin, the fruit, leaves and bark also contain the compound (Bramachari, 2004). </p>		<p>a complex terpenoid, is widely considered to be the most active insecticidal ingredient (Schmutterer, 1990). While the seeds have the highest concentration of azadirachtin, the fruit, leaves and bark also contain the compound (Bramachari, 2004). </p>
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