Seed quality updates and news from 20/20 Seed Labs Inc.  

FarmTech 2012 Starts Today!

Dear  <<First Name>>:

This is going to be a week packed full of events and information and the first day of what appears to be the best FarmTech ever.

We look forward to visiting with you at our booth.
Enjoy the show and...


Don't miss Sarah's presentations on Tuesday and Thursday.

Seed Quality Update

Seed Dormancy

Weather conditions are an issue

The adverse weather conditions that played havoc on seeding and harvesting  for the 2010 and 2011 crop season left a lot of seed users very uncertain about seed quality. 

And it seems that the most frequently asked question for us has been about the overall effect of dormancy on seeding potential and also what causes it.  Dormancy in cereals last year was widespread and became very troublesome as we got closer to seeding in 2011, because in some cases it could not be broken in laboratory conditions. This year seed users are wary about testing early and are putting their seed into the freezer before sending it in for testing. It is true that cold temperatures will break dormancy eventually. In fact as seed is exposed to the cold conditions in the bin over the winter the dormancy will disappear.  However, a laboratory is equipped with the knowledge to overcome dormancy issues early on in the season and its better to know sooner than later. Other issues may be overlooked if seed is not tested early.

Hard Seed

You will be interested to know that we are finding hard seed in our germination counts this year in peas and lentils. We have not seen this previously to the extent that we have this year. Hard seed is observed when the seed coat is impermeable to water. Hard seed is also a type of dormancy, as it prevents the germination of viable seeds because the seed coats are impermeable to water. The percentage of hard seeds is reported as part of the total percentage germination in clovers only.  For peas or lentils you will see a separate category for hard seed on your report of seed analysis.  

This form of dormancy is Exogenous because it is related to the physical properties of the seed coat. There are three factors that are responsible for exogenous dormancy. The impermeability of seed coats to water is typical of genetic and environmental conditions. Some varieties may be naturally inherent to dormancy, as a means of survival and this is often true in clovers. Environmental conditions such as the weather and soil conditions during the final stages of maturation can influence hard seed content.


See Sarah at FarmTech this week!



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