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An Economic Assessment of Banana Genetic Improvement and ...

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68 CHAPTER 5<br />

Table 5.26 Average distance from the source <strong>of</strong> planting materials, by genomic group<br />

<strong>and</strong> strata, Tanzania (km)<br />

Elevation<br />

Exposure<br />

Genomic group<br />

Low High Exposed Not exposed<br />

All<br />

Endemic 2.2 1.1 1.6 1.7 1.9<br />

Nonendemic<br />

Exotic 6.2 0.5 5.8 8.4 6.1<br />

Hybrid 4.2 5.0 3.7 7.8 4.2<br />

All genomic groups 3.2 1.3 2.5 8.5 2.9<br />

Table 5.27 Percentage <strong>of</strong> improved banana planting materials obtained, by mode <strong>of</strong><br />

transaction, Tanzania<br />

Elevation<br />

Exposure<br />

Means <strong>of</strong> acquisition<br />

Low High Exposed Not exposed<br />

All<br />

Gift 5.0 0.0 6.0 0.0 4.9<br />

Aid 5.6 0.0 6.8 0.0 5.5<br />

Purchase 11.2 0.0 6.8 30.0 11.0<br />

Exchange 0.6 0.0 0.8 0.0 0.6<br />

Free <strong>of</strong> charge 77.6 100.0 79.7 70.0 77.9<br />

Total 100.0 100.0 100.0 100.0 100.0<br />

Table 5.28 Percentage <strong>of</strong> improved banana planting materials received, by social<br />

relationship to source, Tanzania<br />

Elevation<br />

Exposure<br />

Social relationship<br />

Low High Exposed Not exposed<br />

All<br />

Family 2.5 0.0 2.3 3.3 2.5<br />

Friend 33.1 50.0 26.4 63.3 33.3<br />

Work 29.3 50.0 30.2 26.7 29.6<br />

None 35.0 0.0 41.1 6.7 34.6<br />

Total 100.0 100.0 100.0 100.0 100.0<br />

for other nonendemic material indicates<br />

longer use <strong>of</strong> hybrids in affected areas. here> 5.29near

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