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Published online 1 February 2006
Published in Crop Sci 46:544-553 (2006)
© 2006 Crop Science Society of America
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Relationships between Emergence and Soil Water Content for Perennial Cool-Season Grasses Native to Iran

Ali Gazanchian*,a, Nayer A. Khosh Kholgh Simab, Mohamad A. Malboobic and Eslam Majidi Heravanb

a Agricultural and Natural Resources Research Center of Khorassan, P.O. Box 91735-1148 Mashhad, Iran
b Agriculture Biotechnology Research Institute of Iran (ABRII) P.O. Box 31535- 1897, Karaj, Iran
c National Research Center for Genetic Engineering & Biotechnology P.O. Box 14155-6343, Tehran, Iran


Figure 1
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  		Fig. 1. Biplot for diversity of 36 perennial cool-season grass population native to Iran at three soil moisture (FC and 75 and 50% FC) in seedling emergence stage, showing which tolerant species to low soil moisture had higher values PC1 and PC2. PC1 and PC2 are first and second principal component. Species names are defined in Table 1.

 

Figure 2
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  		Fig. 2. Ward's cluster analysis classifications of 36 perennial cool-season grass population native to Iran on seven measured traits at three soil moisture levels in seedling emergences stage determined by Euclidian distance. Species names are defined in Table 1.

 

Figure 3
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  		Fig. 3. Canonical discriminant analysis for determining optimal number clusters (dendrogram cutting point). The canonical functions that discriminate among fie different classes are shown.

 




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