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Patel, S. D.
- Biology of bombyx Mori L. (lepidoptera: Bombycidae)
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Authors
Affiliations
1 Department of Entomology, N.M. College of Agriculture, Navsari Agricultural University, Navsari Gujarat, IN
2 Department of Entomology, N.M. College of Agriculture, Navsari Agricultural University, Navsari Gujarat
1 Department of Entomology, N.M. College of Agriculture, Navsari Agricultural University, Navsari Gujarat, IN
2 Department of Entomology, N.M. College of Agriculture, Navsari Agricultural University, Navsari Gujarat
Source
International Journal of Plant Protection, Vol 6, No 2 (2013), Pagination: 382-389Abstract
Studies on biology of Bombyx mori L. (Lepidoptera: Bombycidae) on mulberry plant showed that the silkworm moth laid the eggs which were singly coated with gummy substance, ellipsoidal in shape and dull white in colour under the laboratory condition. The average incubation period and hatching percentage were 8.32 ± 1.179 days and 91.60 ± 5.317 per cents, respectively. The larvae passed through five instars. The average larval period was 24.44 ± 1.509 days while pupal weight and duration varied from 0.622 ± 0.052 g and 12.54 ± 1.22 days, respectively. Shell weight varied from 0.105 ± 0.022 g. The average pre-oviposition, oviposition and postoviposition periods were, 0.43 ± 0.028, 2.30 ± 0.483 and 3.50 ± 0.527 days, respectively. The average fecundity of the female was 269 ± 30.21 eggs during entire life span. The average longevity of male and female moth was, 5.60 ± 0.699 and 6.23 ± 0.431 days, respectively. The life span of female was found to be relatively more than male moth.Keywords
bombyx Mori, Mulberry Plant, Biology- Comparative Biology and Predatory Potential of Green Lace Wing on Different Aphid Species
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Authors
Affiliations
1 Department of Entomology, ASPEE College of Horticulture and Forestry, Navsari Agricultural University, NAVSARI (GUJARAT), IN
1 Department of Entomology, ASPEE College of Horticulture and Forestry, Navsari Agricultural University, NAVSARI (GUJARAT), IN
Source
International Journal of Plant Protection, Vol 8, No 1 (2015), Pagination: 13-20Abstract
Investigation on comparative biology of green lace wing, Chrysoperla zastrowi arabica Henry et al. (Neuroptera : Chrysopidae) was carried out in the Bio-control Laboratory, Navsari Agricultural University, Navsari, Gujarat during 2007 to 2009. The results on comparative biology of C. zastrowi arabica on two aphid species viz., Aphis gossypii Glower and Myzus persicae (Sulzer) revealed that average duration of total developmental period was 18.70 ± 0.64 and 18.93 ± 0.55 days when reared on A. gossypii, and M. persicae, respectively. The egg laying capacity of C. zastrowi arabica was recorded 754.25 ± 143.47 and 601.75 ± 89.43 eggs when reared on A. gossypii and M. persicae, respectively. Study on predatory potential of C. zastrowi arabica revealed that single larva consumed an average of 627.60 ± 42.39 and 587.5 ± 55.59 numbers (nymphs and adults) of A. gossypii and M. persicae, respectivelyKeywords
Green lace wing, Comparative biology, Predatory potential.- Development of Suitable Integrated Pest Management Module for Major Lepidopteran Insect Pests of Cabbage (Brassica oleracea Var. capitata)
Abstract Views :310 |
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Authors
Affiliations
1 Department of Entomology, ASPEE College of Horticulture and Forestry, Navsari Agriculture University, NAVSARI (GUJARAT), IN
1 Department of Entomology, ASPEE College of Horticulture and Forestry, Navsari Agriculture University, NAVSARI (GUJARAT), IN
Source
Asian Journal of Bio Science, Vol 10, No 1 (2015), Pagination: 48-56Abstract
Investigation on development of suitable integrated pest management module for major insect pest of cabbage (Brassicae oleracea var. capitata) was carried out in experimental field of Navsari Agricultural University, Navsari, Gujarat. In case of larval population of C. binotalis, S. litura, P. xylostella and H. armigera was found in sole synthetic insecticide module M3 (0.23, 0.35, 1.61 and 1.78/plants, respectively) followed by eco-friendly pest management module M1 (0.23, 0.98, 1.50 and 1.51/ plants, respectively) and botanicals bio-pesticides module M2 (0.30, 0.99, 1.62 and 1.65/ plants, respectively). As far as yield and economics is concerned, module M3 recorded highest yield of cabbage heads (28322.0 kg/ha) and consequently higher net gain over control (122050 Rs./ha) and higher net BCR (1:41.01). However, its effect in destructing natural fauna, polluting environment and causing residual problem should not be overlooked. Eco-friendly pest management module and botanicals and bio-pesticides module was next effective module in recording yield and net profit besides any adverse effect on natural fauna and did not leave any toxic residue.Keywords
IPM Modules, Insect Pests, Cabbage.- Bio-Efficacy of Insecticides against Aphid (Aphis craccivora Koch) Infesting Cowpea [Vigna ungiculata (L.) Walp.]
Abstract Views :383 |
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Authors
Affiliations
1 Department of Entomology, ASPEE College of Horticulture and Forestry, Navsari Agricultural University, NAVSARI(GUJARAT), IN
1 Department of Entomology, ASPEE College of Horticulture and Forestry, Navsari Agricultural University, NAVSARI(GUJARAT), IN
Source
Asian Journal of Bio Science, Vol 10, No 1 (2015), Pagination: 83-88Abstract
Eleven different insecticides were evaluated for their efficacy against A. craccivora at Regional Horticulture Research Station, ASPEE College of Horticulture and Forestry, Navsari Agricultural University, Navsari, Gujarat during Rabi season of the year 2013-2014. The treatment imidacloprid 0.005 per cent (0.19 aphid index/plant) was found to be most effective followed by thiamethoxam 0.01 per cent (0.33 aphid index/plant). Verticillium lecanii 0.40 per cent (0.58 aphid index/plant), azadirachtin 0.002 per cent (0.62 aphid index/plant) and dimethoate 0.03 per cent (0.77 aphid index/plant) were the next in order. The highest marketable pod yield (30.37 q/ha) and maximum per cent increase in pod yield of cowpea over control (84.28 %) was recorded from the plots treated with thiamethoxam 25 WG @ 0.01 per cent.Keywords
Bio-Efficacy, Imidacloprid, Cowpea, Aphids.- Population Dynamics of Major Sucking Pests Infesting Niger and their Relation to Weather Parameters
Abstract Views :285 |
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Authors
Affiliations
1 Department of Entomology, Navsari Agricultural University, NAVSARI (GUJARAT), IN
2 Department of Entomology, ASPEE College of Horticulture and Forestry, Navsari Agricultural University, NAVSARI (GUJARAT), IN
1 Department of Entomology, Navsari Agricultural University, NAVSARI (GUJARAT), IN
2 Department of Entomology, ASPEE College of Horticulture and Forestry, Navsari Agricultural University, NAVSARI (GUJARAT), IN
Source
International Journal of Plant Protection, Vol 8, No 1 (2015), Pagination: 61-64Abstract
Investigations were carried out on population dynamics of major insect pests on niger (Guizotia abyssinica L.) at College Farm, Navsari Agricultural University, Navsari during winter 2011-12. For the purpose, 20 plants were randomly selected from an experimental area of 20×20 m. Observations were recorded at weekly interval. For recording the population of aphid (Uroleucon compositae), jassid (Amrasca biguttula biguttula), and whitefly (Bemisia tabaci), three leaves from top, middle and bottom portion of the randomly selected plants were critically observed and number of aphids, jassids and whiteflies were counted and population per leaf was worked out. The data on population of sucking pests was correlated with weather parameters viz., maximum, minimum and average temperature, morning, evening and average humidity, sunshine hours, wind velocity and evaporation. The results revealed that the incidence of sucking pests viz., aphid, Uroleucon compositae (Theobald) started from second week of December which reached peak (63.20 aphids/leaf) during first week of February. The incidence of jassid, Amrasca biguttula biguttula (Ishida) started from second week of December with a peak (8.52 jassids/ leaf) during fourth week of January and thereafter, steadily declined and finally disappeared. Whereas, whitefly, Bemisia tabaci (Gennadius) started from second week of December with a maximum level during (14.56 whiteflies/leaf) fourth week of January. Among various weather parameters viz., maximum, minimum and average temperature had highly significant negative influence on the population of all the major sucking insect pests of niger.Keywords
Niger, Correlation, Abiotic Factors, Weather Parameters.- Population Dynamics of Major Insect Pests of Cowpea [Vigna ungiculata (L.) Walp.]
Abstract Views :293 |
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Authors
Affiliations
1 Department of Entomology, ASPEE College of Horticulture and Forestry, Navsari Agricultural University, NAVSARI (GUJARAT), IN
1 Department of Entomology, ASPEE College of Horticulture and Forestry, Navsari Agricultural University, NAVSARI (GUJARAT), IN
Source
International Journal of Plant Protection, Vol 8, No 1 (2015), Pagination: 112-117Abstract
Investigations were carried out on population dynamics of major insect pests that attack cowpea [Vigna ungiculata (L.) Walp.] at Regional Horticultural Research Station, Navsari Agricultural University, Navsari during 2012-13. The results revealed that aphid and jassid population started from 3rd week of October, reached a peak of 3.4 aphid index and 3.8 jassids/ leaf by 1st week of December whereas whitefly population started from 3rd week of October and reached to a peak level of 3.7 whiteflies per leaf in 4th week of November. Cowpea pod borer population started in 2nd week of November and reached to a peak level (2.8 larvae/plant) in 1st week of December and thereafter, decreased gradually. Spotted pod borer population started from 1st week of November coinciding with the flower initiation and reached to a peak of 2.8 larvae per leaf in 1st week of December. Among various weather parameters, evening relative humidity showed a significantly negative influence on population of almost all pests and minimum temperature showed a significantly negative correlation with aphid, cowpea pod borer and ladybird beetle population.Keywords
Cowpea, Population Dynamics, Aphid, jassid, Whitefly, Pod Borer.- Bio-Efficacy of some Insecticides against Pest Complex of Blackgram [Vigna mungo (L.) Hepper]
Abstract Views :262 |
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Authors
S. G. Parmar
1,
M. M. Naik
1,
H. V. Pandya
2,
N. K. Rathod
1,
S. D. Patel
1,
P. P. Dave
1,
M. M. Saiyad
1
Affiliations
1 Department of Entomology, N.M. College of Agriculture, Navsari Agricultural University, NAVSARI (GUJARAT), IN
2 Department of Entomology, ASPEE College of Horticulture and Forestry, Navsari Agricultural University, NAVSARI (GUJARAT), IN
1 Department of Entomology, N.M. College of Agriculture, Navsari Agricultural University, NAVSARI (GUJARAT), IN
2 Department of Entomology, ASPEE College of Horticulture and Forestry, Navsari Agricultural University, NAVSARI (GUJARAT), IN
Source
International Journal of Plant Protection, Vol 8, No 1 (2015), Pagination: 162-168Abstract
An investigation was carried out on bio-efficacy of newer insecticides against pest complex of blackgram [Vigna mungo (L.)] at Navsari Agricultural University, Navsari, Gujarat during Kharif season. Among the tested eleven insecticide, the higher effectiveness was observed with the application of clothianidin 50 per cent WDG (0.003%) against whitefly, jassid and aphid. While, spinosad 2.5 SC (0.002%) was the most effective against gram pod borer and spotted pod borer.Keywords
Bio Efficacy, Insecticides, Blackgram, Whitefly, Jassid, Aphid, Gram Pod Borer, Spotted Pod Borer.- Screening of some Genotypes of Brinjal for their Relative Resistance against Jassid and Whitefly
Abstract Views :239 |
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Authors
Affiliations
1 Department of Entomology, Aspee College and Horticultural Forestry, Navsari Agricultural University, Navsari (Gujarat), IN
2 Department of Plant Pathology, PDVVPF’s College of Agriculture, Ahmednagar (M.S.), IN
1 Department of Entomology, Aspee College and Horticultural Forestry, Navsari Agricultural University, Navsari (Gujarat), IN
2 Department of Plant Pathology, PDVVPF’s College of Agriculture, Ahmednagar (M.S.), IN