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Articles 1 - 7 of 7
Full-Text Articles in Life Sciences
Factors Influencing Population Growth Of Tribolium Brevicornis In The Laboratory, Amin Gulla
Factors Influencing Population Growth Of Tribolium Brevicornis In The Laboratory, Amin Gulla
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
To determine the effect of the factors of the environment (temperature, relative humidity, and food) on the population growth of Tribolium brevicornis, different levels of temperatures from 17.5°C - 37.5°C were used. Effect of these IeveIs of temperatures was tested upon both pre-embryonic and post-embryonic development. No hatching occurred at 17.5°C, but the threshold temperature (the minimum temperature for the development) was just before 17.5°C. The optimum temperature for the embryonic development was found to be between 32.5°C - 35°C.
With the use of the saturated salt solution according to Buxton (1931) and Buxton and Melanby (1934), certain humidity …
Protecting Honey Bees From Pesticides, U.S. Department Of Agriculture
Protecting Honey Bees From Pesticides, U.S. Department Of Agriculture
An
Honey bees frequently are in danger of being killed when crops are treated with pesticides. Honey bees produce honey and beeswax valued at $55 million annually; but even more significant, the annual value of crops that require bee pollination exceeds $1 billion. For this reason, farmers and beekeepers should cooperate in protecting the bees from pesticides. Observance of precautions recommended in this publication can significantly reduce bee losses from pesticide poisoning.
Management Of Wild Bees (In Agriculture Handbook), George E. Bohart
Management Of Wild Bees (In Agriculture Handbook), George E. Bohart
All PIRU Publications
No abstract provided.
Biology Of Duforea And Of Its Cleptoparasite, Neopasites (Hymenoptera: Apoidea), Phillip F. Torchio, Jerome G. Rozen Jr., George E. Bohart, Marjorie S. Favreau
Biology Of Duforea And Of Its Cleptoparasite, Neopasites (Hymenoptera: Apoidea), Phillip F. Torchio, Jerome G. Rozen Jr., George E. Bohart, Marjorie S. Favreau
All PIRU Publications
No abstract provided.
Breeding Honey Bees For Pollination Of Specific Crops, O. Mackensen, William P. Nye
Breeding Honey Bees For Pollination Of Specific Crops, O. Mackensen, William P. Nye
All PIRU Publications
No abstract provided.
Managing The Alfalfa Leaf-Cutting Bee For Higher Alfalfa Seed Yields (Revised), George E. Bohart, George F. Knowlton
Managing The Alfalfa Leaf-Cutting Bee For Higher Alfalfa Seed Yields (Revised), George E. Bohart, George F. Knowlton
All PIRU Publications
No abstract provided.
Beekeeping Regions In The United States, William P. Nye
Beekeeping Regions In The United States, William P. Nye
All PIRU Publications
No abstract provided.