Life Sciences Commons^™

Insect Pollinators Of Alfalfa Grown For Seed, George E. Bohart, William P. Nye

All PIRU Publications

No abstract provided.

Utilization Of Additional Species And Populations Of Leafcutter Bees For Alfalfa Pollination, Frank D. Parker, P. F. Torchio, William P. Nye, M. Pedersen

All PIRU Publications

No abstract provided.

Efficiency Of Alfalfa Pollination By Different Species Of Bees, William P. Nye

All PIRU Publications

No abstract provided.

Pollen Collection From Alsike Clover By High And Low Alfalfa Pollen Collecting Lines And By A Commercial Line Of Honey Bees, William P. Nye

All PIRU Publications

The collection of alsike clover pollen by high alfalfa pollen collecting (APe) and low alfalfa pollen collecting lines of honeybees and by bees from commercial colonies were compared at Donnelly, Idaho, U.S.A., in an area where alsike clover was flowering. All three lines collected an overwhelmingly high percentage of alsike clover pollen (92-99 %), and there were no significant differences between them. A limited amount of rape pollen was collected every day by all groups, and also a small amount of dandelion pollen on one or two days. Only one (high APC) colony collected pollen from a small nearby field …

The Development Of The Alfalfa Pollen-Collecting (Apc) Honey Bee, 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

All PIRU Publications

No abstract provided.

Selecting And Breeding Honey Bees For Collecting Alfalfa Pollen, Otto Mackensen, William P. Nye

All PIRU Publications

No abstract provided.

Preliminary Report On Selection And Breeding Of Honeybees For Alfalfa Pollen Collection, William P. Nye, O. Mackensen

All PIRU Publications

Some colonies of honeybees on alfalfa collect a much higher percentage of alfalfa pollen than others. The possibility of genetic differences between colonies was investigated. Colonies collecting high and low percentages of alfalfa pollen were first selected. Daughters of queens from three 'high' and three 'low' colonies were inseminated from their brothers, and colonies headed by queens of these six lines were tested. Colonies headed by sister queens were more similar in the proportion of alfalfa pollen they collected than were those headed by unrelated queens. This suggests heritability of the factor studied. On the other hand no correlation was …

Equipment For Making Nesting Holes For The Alfalfa Leaf-Cutting Bee, William P. Nye, George E. Bohart

All PIRU Publications

No abstract provided.

Managing The Leaf-Cutting Bee For Higher Alfalfa Seed Yields, George E. Bohart, George F. Knowlton

All PIRU Publications

No abstract provided.

How To Manage The Alfalfa Leaf-Cutting Bee (Megachile Rotundata Fabr.) For Alfalfa Pollination, George E. Bohart

All PIRU Publications

No abstract provided.

Nectar Sugar Concentration As A Measure Of Pollination Of Alfalfa (Medicago Sativa L.), William P. Nye, M. W. Pedersen

All PIRU Publications

The "visitation rate of honeybees on alfalfa may possibly be measured by determining the sugar concentration of nectar in the honey stomachs of foraging bees. This concentration is shown to be largely controlled by the relative humidity and the time available for nectar evaporation in the alfalfa blossom, which in turn depends on the rate of visitation by honeybees. An adjustment for relative humidity may be necessary in order to compare readings widely separated in time or location. Where conditions are relatively constant from day to day, it may be sufficient to measure the nectar sugar concentration and relative humidity …

Distance From The Apiary As A Factor In Alfalfa Pollination, M. D. Levin, George E. Bohart, William P. Nye

All PIRU Publications

Experiments conducted in northern Utah indicated that the distribution of honey bees (Apis mellifera L.) on an alfalfa field is modified by various influences besides distance from the colonies. Because of these other factors, generalizations concerning the effect of distance from colonies on the distribution of foraging honey bees cannot be made on the basis of experiments herein reported. A slight negative relationship between bee populations and distance from colonies in alfalfa fields was found in some of the experiments reported. In two fields where the distance was less than 600 feet, horizontal stratification of the field population …

Cultural Practices For Alfalfa Seed Production, M. W. Pedersen, George E. Bohart, M. D. Levin, William P. Nye, S. A. Taylor, J. L. Haddock

All PIRU Publications

No abstract provided.

The Effect Of Competing Pollen Sources On The Number Of Honey Bees Collecting Alfalfa Pollen, George E. Bohart

All PIRU Publications

No abstract provided.

Wild Bees For Pollination Of The Alfalfa Seed Crop In Utah, George E. Bohart, George F. Knowlton

All PIRU Publications

No abstract provided.

New Insecticides. What Is Their Effect On Bees When Applied To Flowering Alfalfa?, George F. Knowlton, William P. Nye, F. V. Lieberman, F. E. Todd, George E. Bohart

All PIRU Publications

No abstract provided.

The Alkali Bee, Nomia Melanderi Ckll., A Native Pollinator Of Alfalfa, George E. Bohart

All PIRU Publications

No abstract provided.

Bulletin No. 110 - The Alfalfa Leaf-Weevil, E. G. Titus

UAES Bulletins

The alfalfa leaf-weevil (Phytonomus murinus Fab.) which has during the last three years been doing considerable damage in the central part of this State, is a European insect which by some means unknown has been introduced in to Utah. The species appears to be not uncommon throughout Europe and parts of Asia and Africa. It belongs to the large order of hard-shelled insects called beetles (Coleoptera) and in a group generally called snout-beetles (Family Curculionidae). To this same group belong many of our most serious pests, such as the plum curculio, cotton boll-weevil and strawberry weevil.

It occurs over all …