BREEDING, GENETICS, STOCK IMPROVEMENT AND MANAGEMENT OF RUSSIAN HONEY BEES FOR MITE AND SMALL HIVE BEETLE CONTROL AND POLLINATION
Location: Honey Bee Breeding, Genetics, and Physiology Research
Project Number: 6413-21000-012-00
Start Date: Oct 01, 2008
End Date: Sep 30, 2013
The long-term objective of this project is to develop the economic value of Russian honey bees (RHB) through genetic improvements and devise innovative management strategies to increase the stock’s general and pollination productivity. Over the next five years, we will focus on multiple interrelated projects with the following objectives:
Objective 1: Develop procedures for identification of RHB as a stock certification tool, determine the genetic makeup of feral bees, and identify genes contributing to mite resistance and survivability.
Objective 2: Develop management techniques (e.g., determine economic thresholds for mite treatment, develop cultural techniques for small hive beetle (SHB) management in standard and nucleus colonies, and determine winter management and spring build-up strategies) to build RHB populations for crop pollination (e.g., for almond).
Objective 3: Determine if there are genetic components of RHB response to emerging problems (such as colony collapse disorder or CCD) once syndromes and causes are identified.
Objective 4: Use traditional breeding techniques to develop RHB with improved economic traits.
Objective 5: Develop procedures for routine identification of sex alleles and determine queen relationships in multiple queen colonies.
Objective 6: For Russian bee stock, use molecular approaches to investigate the physiological basis for bee immune responses to fungal pathogens (such as chalkbrood), and develop strategies for controlling natural honey bee diseases. Identify molecular bases for honey bee physiological responses to chalkbrood. Identify and assess the role of genes that could potentially be involved in the antifungal activity.
Honey bees play a vital role in the pollination of agricultural crops valued at $14.6B annually. Demands for commercial pollination are steadily growing. However, meeting these demands is increasingly difficult due to serious biological problems. Varroa destructor, Acarapis woodi, Aethina tumida [small hive beetle (SHB)], the emerging problems of colony collapse disorder (CCD) and high winter loss of pollination colonies all are plaguing the beekeeping industry. Perhaps Israeli Acute Paralysis Virus (IAPV) and Nosema ceranae, both recently discovered in the United States will join this list of serious problems.
The Russian honey bees (RHB), developed by this unit, are resistant to varroa and tracheal mites, harbor fewer SHB, are excellent honey producers and overwinter well. This research is focused on further improving RHB to increase the stock’s usefulness, especially for early season pollination via stock selection and the development of management procedures. Increasing the commercial acceptability of this mite-resistant stock may mitigate colony losses since commercial beekeepers who use RHB stock for almond pollination report only modest winter loss of colonies.
Relevance to Action Plan: Marker assisted selection is a tool being developed in Baton Rouge, Louisiana. This work will be accelerated through additional funding for Russian bees. The problem to be addressed is relevant to the NP 305 Action Plan, Component 2 Bees and Pollination (Honey Bees) Problem Problem Statement 2A.3 Developing and Using New Research Tools: Genomics, Genetics, Physiology, Germplasm Preservation, and Cell Culture.