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Table 5 Ward’s cluster analysis using select aroma/flavor attributes to categorize varieties

From: Important Sensory Properties Differentiating Premium Rice Varieties

Variety

Country

Type

Cluster A–B (r2 = 0.58)

Cluster A1–A2 (r2 = 0.21)

Common characteristicsa

IRGA-417 (2008)

Brazil

Premium

A

A1

 

BRS Jaçanã (2008)

Brazil

2nd best

A

A1

 

Khazar

Iran

2nd best

A

A1

 

IR64

Philippines

Premium

A

A1

 

Pelde

Australia

Premium

A

A1

 

Langi

Australia

2nd best

A

A1

 

Koshihikari

Japan

Premium

A

A1

 

Sambha Mahsuri

India

Premium

A

A1

 

Guodao 6

China

2nd best

A

A1

 

Koshiibuki

Japan

2nd best

A

A1

 

Hashemi

Iran

Premium

A

A1

 

Swarna

India

2nd best

A

A2

High sewer animal

IRRI-132

Philippines

2nd best

A

A2

 

IRGA-417 (2009)

Brazil

Premium

B

 

High popcorn

PTT1

Thailand

2nd best

B

 

High corn

BRS Primavera

Brazil

2nd best

B

 

High hay-like musty

Zhongzheyou 1

China

Premium

B

 

High grain/starchy

KDML105

Thailand

Premium

B

 

High sweet aromatic

  1. The varieties are listed in the tables in the order they appear in the cluster analysis tree chart
  2. aCluster B means were significantly higher (P < 0.01) than cluster A means for popcorn (1.2 versus 0.7), corn (0.9 versus 0.6), hay-like musty (1.3 versus 0.9), grain/starchy (2.3 versus 1.9), and sweet aromatic (0.7 versus 0.4)