Handbook of Plant and Crop Physiology

GERMINATION AND EMERGENCE 71

14–21 7–10 6–14 6–166–166–16 14–21 14–21 7–10

Brunnera macrophylla

Siberian buglossBoraginaceae

Buphthalmum speciosum

OxeyeAsteraceae

Calendula officinalis

Pot marigoldAsteraceae

Callistephus chinensis

AsterAsteraceae

Campanula mediumC. carpaticaC. rotundifolia

Bell flowerCampanulaceae

Catananche caerula

Cupid’s dartAsteraceae

Catharanthus roseus

Annual periwinkleVincaApocynoceae

Celosia

spp.

CockscombAmaranthaceae

P A A A BP

P-W

P A A

21–24 21–24

21 21

20–2420–2420–24

21

24–26 24–27

10 16 101010

18–24

21

D

D or L

D

D or L

L LL L D L

Reduce night temp. of

medium by 3

C for best

germination.

Reduce night temp. of

medium by 3

C for best

germination.

Be careful not to overwater.

Plants are sensitive to highmoisture levels.

Before sowing, drench

medium with fungicide toprevent damping-offdisease. Reduce night temp.of medium by 3

C for best

germination. Plant growthwill be stunted if temp. fallsbelow 18

C.

continues