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  • Home-Colorado Seed Lab-Colorado State University Seed Programs
    highest quality test results Vegetable and Flower Seed Testing The Colorado Seed Laboratory offers special pricing for vegetable and flower seed retail and wholesale Germination testing for these species is a main part of our business and we test for several companies across the United States Many companies find our internet and email services very useful For example dealing with paper copies of lab reports for hundreds of samples can be tedious our services allow you to download results into a spreadsheet and we email PDF reports as the samples are completed Of course we still send the signed paper copies but by then all you ll need to do is file them Native Seed Testing is our Specialty Native seed testing continues to be our specialty Purity germination and tetrazolium tests on native range and revegetation species remains the lab s primary focus Our analysts have years of experience testing these species and will analyze your seed samples so that you get the best most accurate results possible We also work with more traditional crops including small grains beans small legumes corn vegetables flowers shrubs and many more The Colorado Seed Lab is Located at Colorado State University The lab is housed on a major university campus so we have access to state of the art research facilities knowledgeable faculty and the latest technology A plant diagnostic lab soil and water lab and extension services make it possible for companies and growers to make CSU their single stop for agricultural resources Take advantage of all that the seed lab and Colorado State have to offer you in the realm of agriculture Tour the Colorado Seed Laboratory Please take a moment and tour our web site It has information on the people services and events of the Colorado Seed Lab

    Original URL path: http://seedlab.colostate.edu/ (2012-11-25)
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  • Staff-Colorado Seed Lab-Colorado State University Seed Programs
    Viability Analyst CSA Germination Sunny Hanley Purity and Viability Analyst CSA Purity Germination Laurie Thoma RA Student Employees Rebecca May Dylan Meda Tiffani Walker Colorado Seed Programs Colorado Seed Programs Home Colorado Seed Laboratory Foundation Seed CSU Links Colorado State

    Original URL path: http://seedlab.colostate.edu/staff.html (2012-11-25)
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  • Tour the lab-Colorado Seed Lab-Colorado State University Seed Programs
    need your seed tested think Colorado Seed Lab Once you have taken our tour of the Colorado Seed Lab you will know why we consistantly produce the highest quality seed test results The CSL staff is proud of the fact that we are an Association of Official Seed Analysts laboratory and strictly follow the AOSA Rules when testing your seed Many of the seed testing procedures have been developed here

    Original URL path: http://seedlab.colostate.edu/tour.html (2012-11-25)
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  • How to submit seed test samples-Colorado Seed Lab-Colorado State University Seed Programs
    Bulk seed Hand sample or use a probe so that all areas of the seed lot are represented If the seed is in a bin sample it from the top center sides and bottom It might be more appropriate to collect subsamples as the seed is being transferred from a truck or bin b Bagged seed For seed lots of one to six bags sample each bag For lots of more than six bags sample five bags plus 10 of the number of bags in the lot Regardless of lot size it is not necessary to sample more than 30 bags Submitting Samples to the CSL Download a Test Request Worksheet 1 Sample containers Place samples in a container that will not open during shipping A cloth bag lined with a plastic bag is least destructible If sending several samples in one container please package samples so that seed cannot become mixed If using plastic bags consider using two bags as a double wrap for each sample since plastic bags break open easily 2 Required Sample Information Download a Test Request Worksheet Please provide the following information for each sample a Name address and phone number of sender b Kind

    Original URL path: http://seedlab.colostate.edu/submit_samples.html (2012-11-25)
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  • CSL Testing Info-Colorado Seed Lab-Colorado State University Seed Programs
    this report can be printed immediately from your computer Purity Analysis Testing for more information see Purity Analysis The analysis is performed on the kind in question to determine the percentage of pure seed other crop seed weed seed and inert material present in the seed lot AOSA Rules for Testing Seeds Germination Testing for more information see Germination Testing Seed germination in laboratory practice is defined as the emergence from the seed embryo of those essential structures which for the kind in question are indicative of the ability to produce a normal plant under favorable conditions AOSA Rules for Testing Seeds Tetrazolium TZ Testing for more information see Tetrazolium TZ Testing When a quick estimate of the total viability is needed a tetrazolium test should be requested The test usually takes 24 hours to complete but with native species this may take 48 hours or longer Noxious Weed Examination All samples given a purity analysis will receive an examination for Colorado noxious weeds seeds unless other states are specified The cost for this service is included in the purity charges There is no extra charge for additional states requested or for an ALL STATES exam Bioassay The Colorado Seed Laboratory is certified by BASF to perform the CLEARFIELD CONFIRM Test for winter wheat containing the CLEARFIELD trait Additional Seed Tests Caryopsis Count This test is used to determine the average number of caryopsis contained in each burr of buffalograss and is reported as caryopsis per burr Seed Cut Test This test is used to determine the percentage of 4 wing saltbush fruits utricles that actually contain a true seed The results are reported as percent full Seed Export Exam for Millet This is a special purity examination for millet seed that is to be shipped overseas for feeding purposes

    Original URL path: http://seedlab.colostate.edu/testing_info.html (2012-11-25)
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  • Link-Colorado Seed Lab-Colorado State University Seed Programs
    Testing Programs Colorado Dept of Agriculture Division of Plant Industry Front Range Seed Analysts International Society of Seed Technologists Seed Related Organizations American Seed Trade Association Association of Official Seed Certifying Agencies Association of American Seed Control Officials Colorado Seed Growers Association Colorado Seed Industry Association Certified Seed net Seed Quest Canadian Seed Trade Association Resources for Seed Labs USDA ARS GRIN Taxonomy Homepage Pure Harvest Software for Seed Labs

    Original URL path: http://seedlab.colostate.edu/links.html (2012-11-25)
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  • Contact Us-Colorado Seed Lab-Colorado State University Seed Programs
    Cross the railroad tracks and proceed across East Drive Turn Right into the Metered Parking lot If possible arrange ahead and we will provide parking passes for the surrounding lots The Shepardson Building is South of the metered parking lot the lab is in room 224 second floor north west corner Maps Driving directions to CSU and parking information Printable map of CSU Mailing Address Colorado Seed Laboratory Department of

    Original URL path: http://seedlab.colostate.edu/contactus.html (2012-11-25)
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  • Viability SectionColorado Seed Lab-Colorado State University Seed Programs
    must separate inert material other crop and weeds from the pure seed Only the pure seed portion is used in the germination test 400 seeds are always planted in a standard germination test Depending on seed size four to sixteen replicates may be used Seed is either counted by hand or the lab s vacuum planter is used The vacuum planter has different sized heads depending on the type of substrate and seed size The seed is poured over the planter head and then placed onto the substrate Many different types of substrate are used for germination tests Blotters towels and filter paper are the most common but creped cellulose paper and sand are also widely used Water is the commonly used as the moisture but in dormant species potassium nitrate KNO3 is also used A safflower sample in towels is pictured here Seed is then placed into a growth chamber Chambers are set at various temperatures and some even alternate temperature during the day to simulate natural conditions Crops that were developed closer the equator usually have a single temperature such as wheat 20 degrees C Native species require alternating temperatures such as blue grama 20C at night 30C during the day As soon as the seeds develop discernable structures we can evaluate them Just because a seed sprouts does not mean it is counted as viable All the structures must be present and in working order for the seed to be considered normal When evaluating the analyst separates the seed into four categories normal abnormal dead and dormant a TZ test is used to determine dormancy Tetrazolium TZ A TZ test is a quick way to determine total viability The test usually takes 24 hours to complete and is the primary method for determining dormancy The steps are

    Original URL path: http://seedlab.colostate.edu/viability.html (2012-11-25)
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