Table 6 Stepwise regression analysis for flowering time, catalase enzyme activity, and plant height.

From: The effect of foliar application of silver nanoparticles synthesized by Moringa oleifera on improving the yield and quality of Pelargonium hortorum under drought stress

Variables entered to model

Step

1

2

3

Intercept

23.466

2.917

-1.599

Flowering time

-0.153

-0.127

-0.118

CAT enzyme

-

25.226

20.647

Plant height

-

-

0.952

R2 (%)

48.2

64.6

69.3

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