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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.

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Showing 461 to 470 of 1552 (0.055 seconds)

Spelling suggestions: "subject:"diseases anda tests"" "subject:"diseases anda pesar""

461

Differentiation of garlic viruses

Liu, X. Q. (Xingquan) January 1985 (has links)
No description available.
Virus diseases of plants.
Garlic -- Diseases and pests.
462

The biology and dynamics of the oystershell scale, Lepidosaphes Ulmi (L.) (Homoptera: Coccidae), on apple in Quebec.

Samarasinghe, Srimathie. January 1965 (has links)
No description available.
Entomology.
Apples -- Diseases and pests.
Oyster-shell scale.
463

The biology and dynamics of Lithocolletis Blancardella Fabr., on apple in Quebec.

Pottinger, Robert Peter. January 1964 (has links)
No description available.
Entomology.
Apples -- Diseases and pests.
Leafminers -- Québec (Province).
464

Development of economic thresholds for semiloopers (Lepidoptera: noctuidae) on four soybean cultivars in Zimbabwe

Lapointe, Renée January 1992 (has links)
No description available.
Trichoplusia orichalcea
465

Etude sur les ravageurs du chou et en particulier sur la mouche du chou, Hylemya brassicae Wiedemann (Diptera:Anthomyiidae).

Vincent, Charles, 1953- January 1980 (has links)
No description available.
Cabbage maggot.
466

Biologie et répression des larves des racines, Hylemya spp., inrestant les cultures de crucifères.

Ritchot, Claude. January 1968 (has links)
No description available.
Cruciferae -- Diseases and pests.
Cabbage maggot
Hylemya
467

The relation between population density and population movement of Lygus lineolaris (Palisot de Beauvois), (Hemiptera: Miridae), and crop damage.

Khattat, Abdul-Razzak January 1978 (has links)
No description available.
Beans -- Diseases and pests
Tarnished plant bug
468

Studies on a new species of empusa.

Dustan, Alan G. January 1922 (has links)
No description available.
Apples -- Diseases and pests.
Phytopathogenic fungi.
Botany.
469

The association of Lophodermium pinastri with the eastern white pine and Scots pine.

Jaeger, Jules J. 01 January 1973 (has links) (PDF)
No description available.
Lophodermium pinastri
White pine Diseases and pests.
470

Patterns of bluestain discoloration and associated organisms in Japanese black and Scots pines on Cape Cod, Massachusetts.

Highley, Lorraine Beth 01 January 1983 (has links) (PDF)
No description available.
Black beetles
Leptographium
Pine Diseases and pests.

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