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Chaudhari, N. N.
- Monitoring of Ear Head Worm Helicoverpa armigera (Hubner) through Sex Pheromone in Pearl Millet Crop
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Authors
Affiliations
1 Department of Entomology, Junagadh Agricultural University, Jamnagar (Gujarat), IN
2 Junagadh Agricultural University, Jamnagar (Gujarat), IN
3 Department of Plant Breeding, Junagadh Agricultural University, Jamnagar (Gujarat), IN
4 Department of Plant Physiology, Junagadh Agricultural University, Jamnagar (Gujarat), IN
1 Department of Entomology, Junagadh Agricultural University, Jamnagar (Gujarat), IN
2 Junagadh Agricultural University, Jamnagar (Gujarat), IN
3 Department of Plant Breeding, Junagadh Agricultural University, Jamnagar (Gujarat), IN
4 Department of Plant Physiology, Junagadh Agricultural University, Jamnagar (Gujarat), IN
Source
International Journal of Plant Protection, Vol 8, No 2 (2015), Pagination: 245-249Abstract
Monitoring of adults of ear head worm Helicoverpa armigera (Hubner) through male sex pheromones was studied during Kharif 2002 to 2011 in pearl millet crop at Jamnagar, Junagadh Agriculture University, Junagadh. Highest number of moth catches was recorded during 35th MSW i.e. 27th August to 2nd September. Adult moth catches were found negatively correlated with maximum temperature (r = -0.1698). Farmers are advised to install sex pheromone trap for monitoring and mass collection of adult male moth of H. armigera @ 5 traps/ha at a height of 2.0 m from 1st week of August to 2nd week of September.Keywords
Helicoverpa armigera, Pheromone Traps, Moth Catches, Larval Counts, Correlation.
References
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- Fodder Production Potential of Pearl Millet Cultivars under Marginal Environments of Gujarat
Abstract Views :349 |
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Authors
Affiliations
1 Pearl Millet Research Station (J.A.U.) JAMNAGAR (GUJARAT), IN
2 Grassland Research Station (J.A.U.) DHARI (GUJARAT), IN
1 Pearl Millet Research Station (J.A.U.) JAMNAGAR (GUJARAT), IN
2 Grassland Research Station (J.A.U.) DHARI (GUJARAT), IN
Source
International Journal of Forestry and Crop Improvement, Vol 6, No 2 (2015), Pagination: 90-95Abstract
Field experiments were carried out at Pearl millet Research Station, Junagadh Agricultural University (JAU), Jamnagar and Grassland Research Station, JAU, Dhari during Kharif 2014, to know the performance of 17 cultivars of fodder pearl millet under marginal environments of Gujarat. Significant differences were observed among the cultivars for days to 50 percent flowering, days to maturity, grain yield and green fodder yield while differences for plant height, plant population and dry fodder yield were non-significant. The locations differences were found significant for all the characters except days to 50 percent flowering and days to maturity. The cultivars x locations differences were reflected non-significant for all the traits except plant height and plant population. Days to 50 percent flowering ranged from 55 days (IP 20611) to 78 days (IP 14753). Days to maturity varied between 84 days (DFMH 30) to 100 days (IP 14294, IP 19415). The cultivar IP 19415 (294 cm) was the tallest cultivar, while, IP 14753 (223 cm) was the shortest cultivar. Grain yield was observed between 5.34 q/ha (IP 20577) to 16.68 q/ha (check PAC 981). Dry fodder yield ranged from 72 q/ha (IP 20611) to 131 q/ha (IP 10437). The cultivar IP 10151 (238 q/ha) produced the highest green fodder yield among all the cultivars followed by IP 20577 (236 q/ha) and IP 10437 (234 q/ha). Thus, these three cultivars viz., IP 10151, IP 20577 and IP 10437 may be considered for general cultivation under marginal environments of Gujarat.Keywords
Pearl Millet, Cultivar, Green Fodder Yield, Gujarat.References
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- Genetic Variability and Character Association for Fodder Yield and its Related Traits in Pearl Millet over Locations under Rainfed Conditions of Gujarat
Abstract Views :310 |
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Authors
Affiliations
1 Pearl Millet Research Station (J.A.U.) JAMNAGAR (GUJARAT), IN
2 Grassland Research Station (J.A.U.) DHARI (GUJARAT), IN
3 Pearl Millet Research Station, Junagadh Agricultural University, JAMNAGAR (GUJARAT), IN
1 Pearl Millet Research Station (J.A.U.) JAMNAGAR (GUJARAT), IN
2 Grassland Research Station (J.A.U.) DHARI (GUJARAT), IN
3 Pearl Millet Research Station, Junagadh Agricultural University, JAMNAGAR (GUJARAT), IN
Source
International Journal of Forestry and Crop Improvement, Vol 6, No 2 (2015), Pagination: 110-115Abstract
A set of 23 genotypes of fodder pearl millet were studied for genetic variability, heritability, genetic advance and character association of green fodder yield and its components at Jamnagar and Dhari under rainfed condition of Gujarat during Kharif-2014. The analysis of variance revealed highly significant differences among the genotypes for all the seven characters studied. All the genotypes showed considerable amount of variation in their mean performance with respect to the characters studied, indicates presence of sufficient variability and scope for further selection and breeding superior and desirable genotypes. The variability analysis revealed that harvest index, grain yield, dry fodder yield and green fodder yield had high magnitude of phenotypic range, genotypic co-efficient of variation, phenotypic co-efficient of variation, heritability and genetic advance expressed as percentage of mean thereby suggesting the importance of additive gene action. Hence, these characters can be improved through simple selection process. Green fodder yield had significant positive correlation with days to 50 per cent flowering, days to maturity and dry fodder yield at both genotypic and phenotypic levels indicating any increase in these traits will increase the green fodder yield.Keywords
Pearl Millet, Variability, Heritability, Correlation Co-Efficient, Green Fodder Yield.References
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