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Three new alfalfa varieties from Cornell Universitycombat beetles, leafhoppers, tricky soil
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Three new alfalfa varieties from Cornell Universitycombat beetles, leafhoppers, tricky soil
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Publish time:
16
th
March, 2015
Source:
Ithaca, New York, USA
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Three new alfalfa varieties from Cornell Universitycombat beetles, leafhoppers, tricky soilThree new alfalfa varieties from Cornell Universitycombat beetles, leafhoppers, tricky soil" title="Share this link on Facebook">Ithaca, New York, USAMarch 11, 2015Dairy and other
livestock
farmers in the northern U.S. have three new alfalfa options this growing season – all pioneered by Cornell University researchers as a way to combat devastating pests, increase yields and improve forage quality.Developed by Donald Viands, a professor of plant breeding and genetics in the School of Integrative Plant Science at Cornell University, along with senior research associate Julie Hansen, and research support specialist Jamie Crawford, these new varieties were grown in Cornell greenhouses and tested for resistance in farm fields across the state.“The broader implications on agriculture revolve mostly around livestock producers, especially in the
dairy
industry, being able to economically produce forage for feed,” Viands said. “Higher forage yield and quality, combined with multiple disease and insect resistances, enable forage to be produced more economically, thus enhancing economic vitality of livestock operations.”The first variety, SW 9558SBR, provides resistance to the alfalfa snout beetle, which can cripple root systems. Viands said this project was a collaborative effort among plant scientists Elson Shields and Tony Testa in the Department of Entomology at Cornell, extension educators and farmers. In trials, researchers have found this variety provides a half-ton increase in yield per acre.The developers said seed companies are interested in selling SW 9558SBR to combat the snout beetle following a dramatic increase in the insect’s population over the past decade. The alfalfa snout beetle, currently confined to northern New York state, has the ability to spread to surrounding states and Canada.“It’s easy to overlook this problem,” said Hansen. “Beetles burrow in hay bales and if only one insect gets transported, populations can grow rapidly.”A second new alfalfa variety, SW 315LH, combats the potato leafhopper – an insect Hansen called “the most furious
pest
on alfalfa in all of North America.” The pest does not overwinter but arrives each year from the south carried by early spring thunderstorms. While the insect is found throughout the central and northern United States, Hansen said SW 315LH is the first potato leafhopper-resistant variety of alfalfa that is well-adapted for New York.The third variety, SW 215CR, is geared to bolstering New York’s alfalfa
cultivation
and is the culmination of a project spearheaded by the late Royse Murphy, professor emeritus of plant breeding. This “creeping rooted” variety helps alfalfa grow in adverse conditions because its root system swells and grows laterally.“Creeping rooted is not really a new trait, but Murphy successfully bred it into Northeast conditions,” said Viands. “This variety will be effective in New York state and surrounding states, building pasture longevity.”All varieties are available to farmers through the New York-based seed company Seedway, with limited availability of SW 315LH and SW 215CR this spring. Seeds are available to farmers throughout the northern United States and may be made available to Canadian farmers in the future. Hansen said the team has had early feedback indicating both higher yields and healthier plants.“The College of Agriculture and Life Sciences is unique for doing this type of work,” said Viands. “Through collaboration with researchers, extension educators and farmers, we can help advance the land-grant mission throughout the state.”These varieties have been ongoing, collaborative projects for years and are funded primarily by Federal Hatch Funds through the Cornell University Agriculture Experiment Station as well as the Northern New York Agriculture Development Program and New York Farm Viability Institute.More news from:. Cornell University. SeedWay LLCWebsite: http://www.cnchemicals.com/: March 16, 2015The news item on this page is copyright by the organization where it originatedFair use notice
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