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โครงการหนังสืออิเล็กทรอนิกส์ด้านการเกษตร เฉลิมพระเกียรติพระบาทสมเด็จพระเจ้าอยู่หัว

Parameter

The technical parameters for durian production in Thailand (Table 3.7) are
1 5 'E6 fi
based on findings of the field trip observations by the researcher team. It is
fi % , 1' # 1 , ,
interesting to note a tree may carry fruit in 3 to 5 years with the cleft grafting
d , ) 1 ' 1 > 3
method of breeding. The farmers are thus quick to expand production when
) 1 5 '<6 1 %
the farm gate price (Table 3.4) is much higher than the average cost of 30 ฿/kg.
C ฿b3 '
'E 1 -
Table 3.7 Technical Parameters for Durian Production in Thailand

Source:: CASPIM field trip
$ A$ #. fi
2.2 Mangosteen

Variety

Without a pollination process, mangosteen has only one variety in the world.
The fruit may appear glossy or striped due to different field management
4 1 , % , ) ' 1 ,
practices or ages of a tree (Figure 3.1). A good fruit may have a big size (up to
, different fi 1 1 5
100g in size 6A), smooth and glossy skin in purple or black color, with white
'&6' A 1 , % " 5 &CC " BA64 1 , 3
3 4 ) ) fluffy fl 4 ) fl % '
and fluffy flesh, and a sweet and sour flavor.
- 1 # , 5-# 6 . , 11 5.( 6
The Department of Intellectual Property (DIP) of Ministry of Commerce (MOC)
:# 5 6 * 1 /
in Thailand also granted GI (geographical indication) to 2 groups of mango-
3 $ 11 % 5 'G6'
steen in the Ranong and Nakhon Sithammarat provinces (Table 3.8).

Trend
*C*& *C&^ )
) ' ) 4 ) % 4
The output in 2021 is less than half of that in 2019 due to lower output per rai
1 <C ฿b3 4 1 , 1 )
under poor weather conditions and a reduction of planting area. Lower output,
5 '^6'
however, supported the farm gate price of around 40 ฿/kg, merely higher
than the production cost but much lower than that of durian (Table 3.9).

78 Production
B