Asreml Question
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Asreml Question



Dear all
	 I have a field experiment that is designed as an RCBD,and has the
form:
              
	       	20 columns
		 ________________
	        |		|
     1-4 rows	|    REP  1     |
		|_______________|
		|		|
     5-8  rows	|     Rep 2	|
		|_______________|	

Now upon inspection of the BLUPs for the rows in REP 1 I clearly have a
linear trend along the columns. That is BLups for Row 1:   -20
						  Row 2 :  -14
						  Row 3:    -7
						  Row 4:    -1	 	
The breeder has an explanation for this.  

In order to model this linear trend along the columns within Rep 1. How is
this done in ASREML. I assumed it was of the form: 

    Yield~ mu c(trt) rep|1\lin(column)                (1)



Thanks for your assistance.

regards Vince