A review of dipterocarps - Center for International Forestry Research

Seed Physiology 65
Table 5. (continued) Temperatures, moisture contents and germination of mature seeds for the optimum reported storage
conditions.
Species
Germination
(%)
Optimum storage achieved
Days Temp.
(°C)
MC
(%)
Other conditions
Source
Hopea parviflora 84 104 18 41 PB sealed and inflated, Tompsett
ventilated weekly (unpub.)*
Hopea subalata 40 51 4 32-43 n/a Sasaki (1980)
Hopea wightiana 5 60 4 n/a n/a Sasaki (1980)
Monotes kerstingii 16 90 2 7 PB, ventilated weekly Tompsett
(unpub.)*
Neobalanocarpus
heimii
80 50 14 28-47 n/a Yap (1981)
Parashorea densiflora 90 60 25 54 n/a Yap (1981)
Parashorea
67 141 18 45 rib-channel PB,
Tompsett
malaanonan
ventilated weekly
Parashorea smythiesii 50 317 18 44 ventilated incubator 99%
rh, PB, perl. (0% MC),
ventilated weekly
Parashorea tomentella 40 91 16 40 PB, 4% moisture content
perl., ventilated weekly
(unpub.)*
Tompsett
(unpub.)*
Tompsett
(unpub.)*
Shorea acuminata 70 30 21 38-43 n/a Sasaki (1980)
Shorea affinis 56 253 21 35 ventilated incubator 99% Tompsett
rh, loose
(unpub.)*
Shorea almon 18 32 16 45 stored on agar, some Tompsett
seed germinated and are
included
(1985)
Shorea amplexicaulis 30 168 21 45 PB, sealed, perl. 0-8% Tompsett
MC, ventilated weekly (unpub.)*
Shorea argentifolia 60 45 21 43 No information. Sasaki (1980)
Shorea assamica 50 98 4 n/a n/a Sasaki (1980)
Shorea bracteolata 4 60 4 n/a n/a Sasaki (1980)
Shorea congestiflora 52 49 21 39 PB, top folded over, Tompsett
within gas box, ventilated
weekly
(unpub.)*
Shorea contorta 35 32 21 67 ventilated incubator 98% Tompsett
rh, PB, ventilated weekly (unpub.)*
Shorea curtisii 20 30 25 n/a n/a Yap (1981)
Shorea dasyphylla 24 14 21 40-46 n/a Sasaki (1980)
Shorea fallax 50 50 21 40 PB tied, with sawd., Tompsett
ventilated weekly (unpub.)*
Shorea ferruginea 36 77 21 34 PB, sealed and inflated, Tompsett
ventilated weekly (unpub.)*
Shorea hypochra 10 60 4 n/a n/a Sasaki (1980)
Shorea javanica 87 30 20 13-15 moisture low Umboh
(1987)
Shorea leprosula 45 30 21 32 No information. Sasaki (1980)
Shorea macrophylla 40 22 21 31 PB tied, with sawd., Tompsett
ventilated weekly (unpub.)*
Shorea obtusa 44 11 16 36 PB, sealed and inflated, Tompsett
ventilated weekly (unpub.)*
Shorea ovalis 87 92 21 37 No information. Sasaki (1980)
Shorea pachyphylla 28 16 18 66 ventilated incubator 99% Tompsett
rh, over water
(unpub.)*