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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
21

Glasshouse and field studies of diamondback moth Plutella xylostella (Lepidoptera: Yponomeutidae) on host plant resistance in Brassica and biological control

Bogahawatte, Chitra N. L. January 1993 (has links)
No description available.
22

Interaction of the spotted stem border Chilo partellus (Swinhoe) with some alternative hosts and its larval parasitoid Cotesia sesamiae (Cameron) in Malawi

Phiri, George S. N. January 1995 (has links)
No description available.
23

Control of root knot nematodes (Meloidogyne Spp) using organic soil amendments and Pasteuria penetrans

Ndlovu, Zibusiso January 1996 (has links)
No description available.
24

Dietary effects on instar number, instar duration and adult performance in Helicoverpa armigera

Wegiriya, Hemantha Chandani January 1994 (has links)
No description available.
25

The development of a cereal aphid advisory model and an oilseed rape pest advisory model

Mann, Brian January 1991 (has links)
No description available.
26

Side-effects of synthetic pyrethroid insecticides on the dispersal activity of predatory Coleoptera, with particular reference to the Carabidae

Heneghan, Philip Andrew January 1994 (has links)
No description available.
27

The effects of the manipulation of polyphagous predator numbers on cereal aphid population dynamics in a winter wheat ecosystem

Mauremootoo, John Retnon January 1992 (has links)
No description available.
28

Reduced dose rate insecticide use in cereals : effects on insect pests and predators

Turner, David Edward January 1995 (has links)
No description available.
29

Chemical communication in the stored-product pest Callosobruchus chinensis (L.) (Coleoptera: Bruchidae)

Islam, Md Nurul January 1986 (has links)
No description available.
30

The role of weeds in the natural control of upland rice insect pests in Cote d'Ivoire, West Africa

Afun, Jakpasu Victor Kofi January 1997 (has links)
No description available.

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