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letter
. 2007 Jul;8(7):453–457. doi: 10.1631/jzus.2007.B0453

Table 1.

Effect of Azospirillum and Azotobacter seed treatment on seedling parameters of Catharanthus roseus

Treatment Germination (%) Root length (cm) Shoot length (cm) Dry matter production (mg/seedling) Vigour index
Untreated control 35.0 4.5 2.0 28.4 227.5
Azospirillum 66.0 10.6 6.2 30.6 1108.8
Azotobacter
70.0
12.6
8.4
32.4
1484.0
CD (P=0.05) 3.6179 1.8090 1.5077 351.7499 4.6230
SD 1.7999 0.9000 0.7501 175.0000 2.3000

CD: Critical difference; SD: Standard deviation