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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.)*

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