A review of dipterocarps - Center for International Forestry Research
A review of dipterocarps - Center for International Forestry Research
A review of dipterocarps - Center for International Forestry Research
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Seed Physiology 64<br />
Table 5. Temperatures, moisture contents and germination <strong>of</strong> mature seeds <strong>for</strong> the optimum reported storage conditions.<br />
Species<br />
Germination<br />
(%)<br />
Optimum storage achieved<br />
Days Temp.<br />
(°C)<br />
MC<br />
(%)<br />
Other conditions Source<br />
Anisoptera costata 44 30 18 44 ventilated incubator, 99%<br />
rh, rib-channel PB,<br />
ventilated weekly<br />
Anisoptera marginata 45 84 21 48 ventilated incubator, 99%<br />
rh, PB, ventilated weekly<br />
Cotylelobium burckii 52 28 21 29 gas box, over water,<br />
ventilated weekly<br />
Cotylelobium<br />
46 67 21 36 gas box, over water,<br />
melanoxylon<br />
ventilated weekly<br />
Dipterocarpus alatus** 44 2829 -13 11 hermetic, laminated<br />
aluminium foil bag<br />
Tompsett<br />
(unpub.)*<br />
Dipterocarpus baudii 25 30 14 n/a n/a<br />
Tompsett<br />
(unpub.)*<br />
Tompsett<br />
(unpub.)*<br />
Tompsett<br />
(unpub.)*<br />
Tompsett<br />
(unpub.)*<br />
Yap (1981)<br />
Dipterocarpus<br />
87 4 n/a 40 No in<strong>for</strong>mation. Tompsett<br />
grandiflorus<br />
(unpub.)*<br />
Dipterocarpus<br />
30 28 15 26 PB, sealed, inflated with Maury-Lechon<br />
humeratus<br />
nitrogen<br />
et al. (1981)<br />
Dipterocarpus<br />
30 2373 -20 10 hermetic, laminated Tompsett<br />
intricatus**<br />
aluminium foil bag (unpub.)*<br />
Dipterocarpus<br />
20 60 18 59 ventilated incubator 99% Tompsett<br />
obtusifolius<br />
rh, rib-channel PB,<br />
ventilated weekly<br />
(unpub.)*<br />
Dipterocarpus<br />
77 1369 -20 12 hermetic, laminated Tompsett<br />
tuberculatus**<br />
aluminium foil bag (unpub.)*<br />
Dipterocarpus<br />
20 177 16 42 closed box, over water, Tompsett<br />
turbinatus<br />
ventilated weekly (unpub.)*<br />
Dipterocarpus<br />
53 100 21 39 ventilated incubator 99% Tompsett<br />
zeylanicus<br />
rh, loose<br />
(unpub.)*<br />
Dryobalanops<br />
aromatica<br />
50 16 14 38-40 n/a Yap (1981)<br />
Dryobalanops keithii 54 23 16 45 PB tied, sawd. (18% Tompsett<br />
MC), ventilated weekly (unpub.)*<br />
Dryobalanops<br />
92 62 21 56 PB sealed and inflated, Tompsett<br />
lanceolata<br />
ventilated weekly (unpub.)*<br />
Hopea ferrea 40 300 16 30-50 PB then perl. Tompsett<br />
(unpub.)*<br />
Hopea foxworthyi 68 365 18 35 ventilated incubator at Tompsett<br />
99% rh, rib-channel PB,<br />
ventilated weekly<br />
(unpub.)*<br />
Hopea hainanensis 80 365 18 35-38 n/a Song et al.<br />
(1984, 1986)<br />
Hopea helferi 85 40 15 48 n/a Tang and<br />
Tamari (1973)<br />
Hopea mengerawan 40 67 21 44 ventilated incubator at Tompsett<br />
99% r.h., loose<br />
(unpub.)*<br />
Hopea nervosa 19 330 25 n/a n/a Sasaki (1980)<br />
Hopea odorata 48 93 16 38 polythene rib-channel Tompsett<br />
bag within polythene box,<br />
ventilated weekly<br />
(unpub.)*