2015. suwaluk amawan. RYFCRC Characterization of cassava
1. Research and Development
in Rayong Field Crops Research Center
Suwaluk Amawan
Agricultural Scientist
Rayong Field Crops Research Center
Field Crops and Renewable Crops Research institue,
Department of Agriculture, Ministry of Agriculture and Cooperatives
4. Economic World Situation
The importance of cassava
• Cassava is an important food crop in the world
• Cassava is an important food crop in tropical countries
Specific countries; Africa and South America
• In Asia, Indonesia and India are consuming a lot of cassava
Food Animal feed Other benefits
Production
(percent)
60 27.5 12.5
5. Economic World Situation
2012, Thailand is no.2 of the world:
Production of cassava 29.84 million tons
2. Thai: 29.84 Million tons
3. Indonesia : 24.17 Million tons
4. Brazil: 23.04 Million tons
1. Nigeria: 54.0 Million tons
9. Situation of cassava in ThailandEconomic Situation of Thailand
Thailand is the world’s leading exporter
10. Economic Situation of Thailand
Exports of cassava products in Thailand from 2008 -2012
Volume: million tons.
Pellet
Cassava-
chip
Starch
Modified-
starch
All product
2008 2009 2010 2011 2012
8
7
6
5
4
3
2
1
0
11. Economic Situation of Thailand
Year 2014 expected price cassava farm is close to the year 2013
Situation Marketing year 2014
The average price 83 US$/ton
21. 2. Single-Row trial600-800 clones
3. Preliminary trial100-140 clones
4. Standard trial 20-30 clones
5. Regional trial 8-12 clones
6. On Farm trial 3-5 clones
7. On Field test 2-3 clones
1. F1 seedling trial 10,000-12,000 seedlings
Breeding
22. Breeding
Main Objectives
Industry
- High yield and High starch content
- Early bulking
- Ethanol
Edible
- High yield , low HCN
- Good test, texture, nutritions
Resistant to Pest & Disease
33. Insect pests of cassava in Thailand
Red spider mite
Whitefly
Mealy bug
34. Insect
Red spider mite
mouth part
body part
- size 100-400 micron - body part
- body separate 2 part - 4 pair of legs
- mouth part - sucking type mouth part
Life cycle of
spider mite
Life cycle of
spider miteegg
Lavar Nymph 1
Nymph 2
Adult maleAdult female
39. Male
Anagyrus lopezi
Female
A. lopezi has efficiency for controlling pink
maelybag about 35-50 mealy bug per day
Natural enemies
PARASITOID FOR PINK MEALY BUG CONTROLLING
IN THAILAND