Proceedings of the Fifth Asian Regional Maize Workshop - Search ...

Table 2.
Growth rate of maize area and yields for different periods, and regions in Asia.
South Southeast East All
Period Asia Asia Asia Asia*
Area growth
(% per year)
1951-60 2.4 4.8 3.5 3.6
1961-70 3.1 2.0 1.9 2.2
1971-80 0.0 2.5 2.9 2.1
1981-91 0.5 1.9 0.6 0.9
1951-91 2.4 3.5 1.2 1.9
1971-91 0.5 1.7 0.9 1.0
1951-91 1.4 2.3 1.2 1.5
Yield growth
(% per year)
1951-60 2.3 0 2.4 2.1
1961-70 0.4 1.7 5.6 4.0
1971-80 -0.4 1.9 3.9 3.4
1981-91 1.8 2.9 2.9 2.7
1951-70 1.4 1.8 2.5 2.1
1971-91 1.8 2.8 3.9 3.5
1951-91 1.2 2.2 3.6 3.0
Source: Calculated from FAO data.
* Excludes West Asia.
Table 3. Maize area in Asia planted to improved OPVs and hybrids, 1990.
Improved
OPVs
Hybrids
(% of total maize area)
Total
improved
South Asia
Southeast Asia
East Asia (China)
Total Asia (minus China)
Sub-Saharan Africa
West Asia/North Africa
Latin America
All developing countries
24 14 37
39 10 49
5 90 95
32 11 43
20 21 41
27 12 39
10 36 46
16 39 55
All developing countries
(excluding China and Southern
Cone of Latin America)
24
17 41
Source:
CIMMYT survey.
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