Evaluation of different rabi onion varieties under Bihar conditions
Performance of rabi onion varieties
DOI:
https://doi.org/10.21921/jas.v9i03.11006Keywords:
Demonstration, Technology gap, Extension gap, Technology index, improved Onion varieties, TDTDAbstract
Problems of onion crop production and their solutions at farming situations were studies
with participation of farmers. In this regard, demonstrations on integrated crop
management in onion varieties were conducted in 2017-18 during Rabi season by
National Horticultural Research and Development Foundation – Patna under National
Horticulture Mission, in different locations of Bihar through (TDTD) Technology
Dissemination through Demonstration at selected farmers’ fields. These
demonstrations focused on increase productivity/ net returns of onion per unit area and
get the feedback from farmers on the performance of onion varieties. The vigour of the
variety is one of the major constraints in production of onion. The productivity and
economic returns of onion in improved technologies were calculated and compared with
the corresponding farmer’s practices. All the five varieties recorded higher gross return,
net return and cost benefit ratio in improved technologies as compared to the control
plots as well as suksagar variety. It was found that farmers were using old varieties of
onion crop without proper use of recommended scientific package of practices. Results
obtained showed that over the year NHRDF Red-3 variety performed superior over
local check. The gross returns Rs 2,95,502.50/ha, net returns Rs 2,10,227.50 /ha,
extension gap ( 146.90 Q/ha) and C:B ratio 3.47were also recorded highest in NHRDF
Red-3 variety compared to local variety. Technology gap was highest in NHRDF Red-
4(92.84 Q/ha), whereas technology index were minimum in improved variety NHRDF
Red-2 12.87% which is at par 13.09% in NHRDF Red-3 compared to local check.
NHRDF Red—3 with taking 10-12 days more time for maturity, whereas Obtained
minimum onion bulb yield with lower returns and B: C ratio in NHRDF Red with it was at
par Agrifound Light Red. It was also recorded that Suksagar as a local variety medium
adoption index due to taking 25-30 days less time for maturity in comparisons to
NHRDF Red -3 and other varieties. This will subsequently increase the income as well
as the livelihood of the farming community.
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