Author: Saskatchewan. Saskatchewan Agriculture and Food. Soils And Crops Branch
Publisher: [Regina] : Saskatchewan Agriculture, Soils and Crops Branch
ISBN: 9780886565404
Category : Alfalfa
Languages : en
Pages : 12

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Author: Dorothy Constance Murrell
Publisher:
ISBN:
Category : Alfalfa
Languages : en
Pages : 10

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Author: Don Gayton
Publisher:
ISBN:
Category : Alfalfa
Languages : en
Pages : 10

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Author: D. Wayne Goerzen
Publisher:
ISBN:
Category :
Languages : en
Pages : 11

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This report summarizes activities in a project designed to provide technical information to alfalfa seed & leafcutting bee producers in Saskatchewan. Activities included specialist extension work, distribution of extension material & newsletters, assistance in planning & co-ordination of a technical program & trade show, establishment & updating of a website on alfalfa seed production & alfalfa leafcutting bee management, work to assist seed exporters and to identify & develop alternative crop pollination opportunities utilizing alfalfa leafcutting bees, and collaboration in research with the University of Saskatchewan.

Author: Goerzen, D. Wayne
Publisher: Regina : Canada-Saskatchewan Agri-Food Innovation Fund
ISBN:
Category :
Languages : en
Pages : 37

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Author: Goerzen, D. Wayne
Publisher: [Regina] : Agriculture Research Branch
ISBN:
Category : Alfalfa
Languages : en
Pages : 22

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Author: K. W. Richards
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 64

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Author: K. W. Plews
Publisher: 1973.
ISBN:
Category :
Languages : en
Pages : 210

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Alfalfa seed production in Canada has been highly variable over the past two decades. Seed production has decreased from a high of 13.5 million pounds in 1952 to a low of just over l.0 million pounds in 1969. The three prairie provinces have accounted for over 80 percent of the alfalfa seed produced in Canada. Of this the province of Manitoba produced approximateLy 23 percent, (through personal communication with K. D. Russell, Lethbridge L973). Canada imported from 3 - 7 million pounds of alfalfa seed annually throughout the 1956-72 period and though seed production has been on a downward trend, seed use has been increasing. For these reasons attempts are being made to increase alfalfa seed production in Canada in general and in the province of Manitoba in particular. The importation of the alfalfa leaf-cutter bee Megachile rotundata F. into Alberta and Saskatchewan has resulted in a revival of the alfalfa seed industry In these regions during the past several years (Heinrichs (23)). Hobbs (25) has stated that this bee was most useful in areas in Western Canada where there was 350 or more daylight hours with temperatures above 69 F. during the pollinating period of alfalfa. Hobbs has also pointed out that these requirements are met in southern Manitoba. Little information is available in Manitoba on the management of the alfalfa seed crop itself. This study was set up to investigate some of the management problems confronting the Manitoba grower. The main question has been to what extent low seed yields were attributable to climate or to other factors. This study was concerned with the effects of planting densities as well as pre-cutting in spring on alfalfa seed yields. Data was collected on flower initiation dates, the length of the blooming period, pollen and nectar production....

Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 35

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A major factor affecting alfalfa leafcutting bee populations is chalkbrood disease, a fungal disease which is currently the most serious limiting factor to leafcutting populations and alfalfa seed production in the northwestern U.S. As a result of this disease, the U.S. has become the major market for Saskatchewan leafcutting bee cocoons. A major outbreak of the disease would make maintenance of bee populations difficult and would jeopardize the province's high quality reputation. This report presents results from the continuation of a survey of chalkbrood disease by soliciting bee samples from alfalfa seed producers and by nest-trapping bees at sites throughout the province. Levels of other fungal species including foliar moulds and native Ascosphaera species which may adversely affect the viability of bee populations were monitored; the presence of foliar moulds in bee populations which are potentially harmful to the health of alfalfa seed producers were identified; new methods of fungal control for use in decontaminating bee nest material were developed; and other possible causes of mortality were investigated.

Author: Dorothy Constance Murrell
Publisher:
ISBN:
Category :
Languages : en
Pages : 0

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