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Pithia, M. S.
- Incidence of Chickpea Pod Borer and Monitoring of Pod Borer Moths by Using Pheromone Traps
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Authors
Affiliations
1 Pulses Research Station (J.A.U.), Junagadh (Gujarat), IN
1 Pulses Research Station (J.A.U.), Junagadh (Gujarat), IN
Source
International Journal of Agricultural Sciences, Vol 13, No 1 (2017), Pagination: 62-66Abstract
Present study was carried out on chickpea to find out the incidence of pod borer as well as monitoring of pod borer at Pulses Research Station, Junagadh Agricultural University, Junagadh (Gujarat) during Rabi seasons 2011-12, 2012-13 and 2013-14. The results revealed that larval population of Helicoverpa armigera was varied from 0.86 to 2.55 larvae/mrl at 30 DAS. More or less similar pattern was observed at 45 and 75 DAS, while larval population varied from 1.45 to 3.20 and 1.26 to 3.02 larvae/mrl, respectively. At 60 DAS treatment D2V1 noted lowest larval population (0.58 larvae/mrl). The treatment D1V3 recorded the lowest pod damage of 3.66, 3.95, 4.03 and 3.88 per cent in 2011-12, 2012-13, 2013-14 and pooled results, respectively. Seed yield was varied from 825 to 1612 kg/ha. The activity of male moths began from 50th standard week of December to 9th standard week of February / March. The peak period was observed from 1st standard week to 4th standard week of January.Keywords
Chickpea, Gram Pod Borer, Helicoverpa armigera, Incidence, Monitoring.
References
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- Genetic Correlation Under Diverse Environments in Bread Wheat (Triticum aestivum L.)
Abstract Views :194 |
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Authors
Affiliations
1 Wheat Research Station, Junagadh Agricultural University, Junagadh (Gujarat), IN
2 Pulses Research Station, Junagadh Agricultural University, Junagadh (Gujarat), IN
1 Wheat Research Station, Junagadh Agricultural University, Junagadh (Gujarat), IN
2 Pulses Research Station, Junagadh Agricultural University, Junagadh (Gujarat), IN
Source
International Journal of Plant Sciences, Vol 12, No 2 (2017), Pagination: 294-298Abstract
F2 generation of eight crosses of bread wheat were grown under timely and late sowing conditions to study the genetic correlation for grain yield and its components. Under timely sowing, negative and significant association with grain yield per plant was found in hybrid RWP 2002-2 × LOK-1 for days to heading, in GW 9715 × K 9102 for days to maturity and in AKAW 2862-2 × MACS 2496 for plant height. However, significant and positive relationship was displayed between grain yield per plant with number of effective tillers per plant in all the crosses except crosses CLN 5 × GW 322 and GW 9715 × K 9102. Positive and significant association of grain yield per plant with biological yield per plant and harvest index was observed in all the crosses except cross 3 and crosses 3 and 7, respectively. In case of late sowing, significant and negative genetic association for developmental traits was found for days to maturity in cross RWP 2002-2 × LOK 1 and for plant height in AKAW 2862-1 × MACS 2496, CLN 1 × GW 273 and P 11616 × PBW 524. While positive and significant association of grain yield per plant with number of effective tillers per plant, length of main spike, number of grains per spike, grain filling period and biological yield per plant was observed in all the crosses except cross 3 for length of main spike and cross 2 for number of grains per spike under late sowing. Above said yield contributing characters are useful for the indirect selection for the improvement of grain yield per plant under respective environment in bread wheat.Keywords
Genetic Correlation, Bread Wheat, Diverse Environment.References
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