Haupka Katrin (6 results)
- Softcover
Seller: California Books, Miami, FL, U.S.A.California Books
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- Softcover
Seller: AHA-BUCH GmbH, Einbeck, GermanyAHA-BUCH GmbH
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Taschenbuch. Condition: Neu. Druck auf Anfrage Neuware - Printed after ordering - Studienarbeit aus dem Jahr 2010 im Fachbereich Agrarwissenschaften, Justus-Liebig-Universität Gießen, Veranstaltung: Produktionsverfahren im organischen Landbau, Sprache: Deutsch, Abstract: The neem tree (Azadirachta indica A. Juss.) contains a var…ious number of biologically active ingredients. In plant protection mostly the insecticidal activity of neem products is important. Among these insecticidal active ingredients azadirachtin is the most important in biological pest management. Neem derivates influence insects in various ways. First they have an repellent effect, the insects avoid plants after neem application. Females of some lepidopterous insects also seem to avoid these plants and will not lay there eggs under them. Also there are antifeedant effects of neem, so that insects will not feed from neem-treatened plants or, when they feed, the food intake is significantly reduced.Neem ingredients also have an effekt on the methamorphosis of insects. So treatment with azadirachtin delayed moulting of Periplaneta americana for several days. Moulting, if it occurred was incomplete an resulted in the death of the insects subjected to the test. Some insect species will not moult into the imagine after neem treatment.
- Softcover
Seller: Buchpark, Trebbin, GermanyBuchpark
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Condition: Sehr gut. Zustand: Sehr gut | Sprache: Deutsch | Produktart: Bücher | Studienarbeit aus dem Jahr 2010 im Fachbereich Agrarwissenschaften, Justus-Liebig-Universität Gießen, Veranstaltung: Produktionsverfahren im organischen Landbau, Sprache: Deutsch, Abstract: The neem tree (Azadirachta indica A. Juss.) contains a vari…ous number of biologically active ingredients. In plant protection mostly the insecticidal activity of neem products is important. Among these insecticidal active ingredients azadirachtin is the most important in biological pest management. Neem derivates influence insects in various ways. First they have an repellent effect, the insects avoid plants after neem application. Females of some lepidopterous insects also seem to avoid these plants and will not lay there eggs under them. Also there are antifeedant effects of neem, so that insects will not feed from neem-treatened plants or, when they feed, the food intake is significantly reduced.Neem ingredients also have an effekt on the methamorphosis of insects. So treatment with azadirachtin delayed moulting of Periplaneta americana for several days. Moulting, if it occurred was incomplete an resulted in the death of the insects subjected to the test. Some insect species will not moult into the imagine after neem treatment.
- Softcover
- Print on Demand
Seller: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermanyBuchWeltWeit Ludwig Meier e.K.
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Taschenbuch. Condition: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Studienarbeit aus dem Jahr 2010 im Fachbereich Agrarwissenschaften, Justus-Liebig-Universität Gießen, Veranstaltung: Produktionsverfahren im organischen Landbau, Sprache: Deutsch, Abstract: The neem tree (Azadirachta indica A. Juss.…) contains a various number of biologically active ingredients. In plant protection mostly the insecticidal activity of neem products is important. Among these insecticidal active ingredients azadirachtin is the most important in biological pest management. Neem derivates influence insects in various ways. First they have an repellent effect, the insects avoid plants after neem application. Females of some lepidopterous insects also seem to avoid these plants and will not lay there eggs under them. Also there are antifeedant effects of neem, so that insects will not feed from neem-treatened plants or, when they feed, the food intake is significantly reduced.Neem ingredients also have an effekt on the methamorphosis of insects. So treatment with azadirachtin delayed moulting of Periplaneta americana for several days. Moulting, if it occurred was incomplete an resulted in the death of the insects subjected to the test. Some insect species will not moult into the imagine after neem treatment. 20 pp. Deutsch.
- Softcover
- Print on Demand
Seller: buchversandmimpf2000, Emtmannsberg, BAYE, Germanybuchversandmimpf2000
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Taschenbuch. Condition: Neu. This item is printed on demand - Print on Demand Titel. Neuware -Studienarbeit aus dem Jahr 2010 im Fachbereich Agrarwissenschaften, Justus-Liebig-Universität Gießen, Veranstaltung: Produktionsverfahren im organischen Landbau, Sprache: Deutsch, Abstract: The neem tree (Azadirachta indica A. Juss.) co…ntains a various number of biologically active ingredients. In plant protection mostly the insecticidal activity of neem products is important. Among these insecticidal active ingredients azadirachtin is the most important in biological pest management. Neem derivates influence insects in various ways. First they have an repellent effect, the insects avoid plants after neem application. Females of some lepidopterous insects also seem to avoid these plants and will not lay there eggs under them. Also there are antifeedant effects of neem, so that insects will not feed from neem-treatened plants or, when they feed, the food intake is significantly reduced.Neem ingredients also have an effekt on the methamorphosis of insects. So treatment with azadirachtin delayed moulting of Periplaneta americana for several days. Moulting, if it occurred was incomplete an resulted in the death of the insects subjected to the test. Some insect species will not moult into the imagine after neem treatment.Books on Demand GmbH, Überseering 33, 22297 Hamburg 20 pp. Deutsch.
- Softcover
- Print on Demand
Seller: preigu, Osnabrück, Germanypreigu
Contact seller5-star sellerCondition: New
£ 14.12
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Taschenbuch. Condition: Neu. Neem-Inhaltsstoffe im organischen Landbau | Katrin Haupka | Taschenbuch | 20 S. | Deutsch | 2010 | GRIN Verlag | EAN 9783640642489 | Verantwortliche Person für die EU: GRIN Publishing GmbH, Waltherstr. 23, 80337 München, info[at]grin[dot]com | Anbieter: preigu Print on Demand.
