ICRISAT Archival Report 2006 - The seedlings of success in the ...

Evaluation of groundnut varieties in Kolar and Tumkur districts: Table 9B5.. summarizes the yield responses
of three groundnut varieties to the three management practices in Hampasandra and Kanakapura watersheds. Yield
enhancement due to improved variety ranged from zero up to one tonne, with ICRISAT variety ICGS 91114
producing the highest yields, compared to TMV 2 and JL 24. With improved management (T3), the yield of
groundnut doubled when compared with the farmers practice (T1). Total yield enhancement was 1.10 to 1.18 t ha -1
with improved practice (T3) as compared to T1. In Hampasandra watershed improved varieties and improved
management contributed 28% and 72%, respectively, to the total increase in groundnut yield. Whereas in
Kanakapura watershed, relative contribution of improved varieties and management was 60% and 40%,
respectively, to the total yield enhancement.
Table 9B. Yield of groundnut varieties (t ha -1 ) in Kolar and Tumkur watersheds, Karnataka, India
Watersheds
Variety
Hampasandra
(Kolar district)
Kanakapura
(Tumkur district)
Treatment : T1
Local 1.85 0.91
Treatment : T2
TMV 2 1.66 1.10
JL 24 2.23 1.61
ICGS 91114 2.64 1.99
Mean 2.18 1.57
Treatment : T3
TMV 2 2.2 1.28
JL 24 3.16 2.43
ICGS 91114 3.73 2.32
Mean 3.03 2.01
% yield increase due to cultivar 28 60
% yield increase due to management 72 40
Evaluation of soybean and sunflower varieties in Chitradurga watershed: Table 9B6 summarizes the yield
responses of three varieties of soybean (KHSB 2, MAUS 2 and MACS 124) and four varieties of sunflower (PAC
336, GK 2002, KBSH 41, and KBSH 44) to the three management practices. Soybean variety MACS 124 yielded
the maximum in T2, closely followed by other two varieties. Total yield improvement over the farmers’ traditional
practice (T1) was 50% (0.35 t ha -1 ). Improved varieties contributed 46% and improved management 54% to the total
yield enhancement of soybean.[REF15]
Among the sunflower varieties GK 2002 gave the highest yield, with a 52% improvement in yield due to improved
management (T3) compared to farmers practice (T1). Improved varieties contributed 35%, whereas improved
management contributed 65% to the total yield increase, indicating the relative importance of management in
enhancing yields of soybean and sunflower.
Evaluation of maize varieties in Haveri and Dharwad districts: Table 9B7 summarizes the yield responses of four
maize varieties to the different management practices for three watersheds. Variety Seedree 740 yielded the
maximum in both the T2 and T3 treatments, followed by Proagro 4642. As the farmers in the region are already
growing improved cultivars of maize, total yield increase in T3 treatment was only 28% (1.26 t ha -1 ) over the
farmers current practices, which yielded an average of 4.5 t ha -1 . Improved management contributed 89% to the total
yield increase.
337