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Four Seasons of Learning and Engaging Smallholder Farmers - icrisat

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Table 6-15: Farmer evaluation <strong>of</strong> indeterminate bean lines in northern Tanzania<br />

Entry<br />

Variety<br />

#Positive<br />

Ribbons<br />

#Negative<br />

Ribbons<br />

<strong>Farmers</strong> Comments<br />

Men Women Men Women Men Women<br />

1 Kg 98 (23) 1 0 3 1 High yield High yield; potential<br />

good marketability<br />

2 Kg 98 (18) 2 1 3 1 High yield High yield; potential<br />

good marketability<br />

3 Navy Lines (8) 2 1 3 2 Poor yield Poor yield; not good<br />

climber<br />

4 Kg 98 (36) 0 2 0 0 Good seed<br />

color; palatable<br />

5 Dwarf Climber<br />

(6)<br />

2 3 2 1 Good seed color<br />

; palatable<br />

Potential good<br />

marketability;<br />

palatable<br />

Potential good<br />

marketability;<br />

palatable<br />

6 Sarbyt 1 (3) 0 0 4 1 Potential good<br />

marketability;<br />

palatable<br />

7 Kg 98 (42) 3 5 0 2 Good seed<br />

color; palatable<br />

8 Selian 94 1 1 0 3 Good seed color<br />

; palatable<br />

9 KAT B9 1 3 1 0 Good for local<br />

dishes<br />

10 Soya 1 3 2 1<br />

11 Selian 05 0 0 2 3 Poor yield;<br />

shattering easily<br />

Potential good<br />

marketability;<br />

palatable<br />

Potential good<br />

marketability;<br />

palatable<br />

Poor potential<br />

marketablity<br />

Poor yield<br />

12 Soya Manjano 3 1 2 1 H high yield; palatable<br />

Ethiopia<br />

Results <strong>of</strong> selection within the fast track nursery were less successful in the program in Melkassa in the<br />

sense that no line convincingly out-yielded a local check, Nasir. This variety proved to be quite drought<br />

tolerant, likely due to its history <strong>of</strong> selection. First, it was originally selected in Honduras in a region<br />

that is subject to drought, <strong>and</strong> thus could have experienced drought pressure during its development.<br />

Secondly, a Mexican race Durango accession is among its parental lines, <strong>and</strong> race Durango has been<br />

a source <strong>of</strong> drought tolerance.<br />

On the other h<strong>and</strong>, recombinant inbred lines introduced as part <strong>of</strong> a PhD thesis proved to be quite<br />

successful for the identification <strong>of</strong> high yielding navy beans for Ethiopia’s export market, both in<br />

managed drought trials in which they out-yielded the check amply (data not shown), <strong>and</strong> in regional<br />

trials (Table 6-16), although in 2010 rainfall was plentiful <strong>and</strong> yield data do not reflect drought in this<br />

particular year. Selections 23 <strong>and</strong> 80 were especially stable, yielding 11% <strong>and</strong> 12% more than the elite<br />

check Awash-Melka across environments, <strong>and</strong> 29% <strong>and</strong> 19% better in the lowest yielding environment<br />

(Pawe). (Awash-Melka was distributed as an elite variety under Objective 8.) Disease data were taken at<br />

134<br />

<strong>Engaging</strong> <strong>Smallholder</strong> <strong>Farmers</strong> | Tropical Legumes II Project

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