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Rice currently we have about 20,000 cultivars
Collected from 116 Countries
Almost every country where rice is grown.
And once we got them
We get them characterized, grow them out
And conduct all kinds of research
To get them, to get all the uh uh characteristics
And they, so that way, when breeder trying to select the parents
they will,they will look, they will data, will have them
To get what they want.
For example, you see that rice there
Have a different height, and some taller, some shorter
And with the pipe.
That's the example for our characterization.
That's characterization for what for the ...(?)
So we have,we have, that's a we, from 20,000 cultivars
We sampled, We sampled 10%.
Just randomly sampled, with certain rules.
Make sure they have a good representation of the 20,000.
And then we further selected 10% out of that.
So that means 1%
Because that's a...(?) is you know is very hard to evaluate.
So we make sure this number is good enough to handle.
Also they have to represent our entire variation.
That ..... come out 200...(?) and... there...
And we come back and replicate the test
and for the ....(?).
That's just one example.
We have 27 characteristics to a, to characterize our 20,000 cultivars
Once we have them we have all the cultivars characterized
And also we conduct, we extract their DNA
and do that, use the a, conduct that research that describe their genetic relationship.
So we just we get the information which variety genetically far from another.
Which variety is closer to another.
So that way giving to them ..best information help the breeders
Design their cross strategy.
To the right parents.
And also we develop a genetic marker
Just like a , like that a , what we do we have a use a rice entire genome
We use a , we use a wide coverage genetic markers for the entire genome.
And ... this side we have a phenotypical variation, just like a ...(?)
And then we use a statistical package software to say which marker
And which location the chromosome that call variate these phenotypical trait.
These...that that marker is associated to the phenotypical trait.
The a, that marker can be used to for the marker system breeding.
So that's what, that's what we have we have the genetic structure
And the marker, develop the marker for each important traits
Currently we have developed a marker for Blast, and cooking quantity(?).. just like Amylose content
And also for the yeild potential... and the uh , for the stigma exsertion
Which is important for hybridization production.
Because because we have a bunch of uh,uh the guest from Rice Tech which
is a [laugh] work on hybrid rice.
And oh, by the way we have an important guest here today,
Dr Cheng Shihua from a Director General from China National Rice Research Institute
Welcome.
So this is a uh this is what we do and also with this information
To public, public available, and also germplasm (germplant?) every germplant is public availble
That's what, also we have on the germoplasm (germplant) research we have
We develop a cultivar also.
Here is some example of the cultivar developed in our program.
This is a program, we do not-- like Dr. Moldenhauer, Dr. Gables ...spend uh--our major job
Is not breeding. But we do breeding.
If we see some some, .(?).. to be done, like this one .(?),(?),(?) and Clausten Gold
Those just germoplasm calculation we saw some of them very promising.
But just have a few traits need to improve.
Just like a .... r(?).. and (?)germplasm (germ plants?) produce from China was too tall
And also the amylose was, the cooking(?)quantitites...not feed our market.
So we just use contact and mutation breeding to improve those traits
And become a cultivar which released last year.
It's a good for the typical long grain, high quantity and the uh and a uh
Parboil, good for Parboil industry business.
ANd also the ..(Clausten?),(?).is aromatic rice
And also the ...(?) is a typical aromatic rice introduced from Thailand.
And which was originally was too tall and... and...(?)was too large and also
The flower too late. So we just conduct the mutation breeding
Use the uh, use the gamma rays to shoot the seeds and make a change
And then from offspring which ...(?)...that a type of change
Was exactly what we are looking for, so we got this cultivar
And released there.
We have a big field, demonstration field down this way
And if anybody interested, we can arrange a special tour to the to
The actual field.