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Honey bee mediated (Apis mellifera L.) hybrid pigeonpea seed production under net house condition

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Relation http://oar.icrisat.org/11188/
 
Title Honey bee mediated (Apis mellifera L.) hybrid pigeonpea seed production under net house condition
 
Creator Vales, M I
Sultana, R
Patil, S B
Ranga Rao, G V
Kumar, R V
Saxena, K B
 
Subject Pigeonpea
 
Description The development of cytoplasmic nuclear male sterility
(CMS) hybrid technology in pigeonpea was a significant
breakthrough. Hybrids produced yield 25% superior than
standard varieties on farmers’ field. However, the expansion
and acceptance of the CMS technology depends
predominantly on the efficiency of hybrid seed production.
Hybrid seed is typically generated in isolated fields from
other pigeonpea production areas. Finding suitable isolated
fields is often difficult. Therefore, obtaining cross-pollinated
seed under enclosed conditions could be a logical alternative.
This was tested by using male sterile (A) and maintainer (B)
lines in a 3:1 ratio under captivity (net houses) containing
honeybees hives. The yield of the A line, obtained in net
houses containing honeybees, was significantly lower than
in open fields with natural pollinators. Intercropping
pigeonpea with sunflower or spraying a sugar solution did
not contribute to increase the yield of A line in the net houses.
Sequential planting (weekly intervals) of A:B lines in open
natural field condition was beneficial to increase the
production of the A line (1078.3 kg/ha) making yields
equivalent to the B line (1047.2 kg/ha). Thus, natural field
isolated plots combined with sequential planting of blocks
of males and females is recommended for hybrid pigeonpea
seed production.
 
Date 2018
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
Identifier http://oar.icrisat.org/11188/1/Final-Cover%2031%284%29%20Oct-Dec-2018.cdr.pdf
Vales, M I and Sultana, R and Patil, S B and Ranga Rao, G V and Kumar, R V and Saxena, K B (2018) Honey bee mediated (Apis mellifera L.) hybrid pigeonpea seed production under net house condition. Journal of Food Legumes, 31 (4). pp. 197-204. ISSN 0970-6380