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Chinniah, C.
- Efficacy of Beauveria bassiana (Balsamo) Vuill. and an Exotic Parasitoid, Cephalonomia stephanoderis (Betrem) (Hymenoptera: Bethylidae) for the Management of Coffee Berry Borer, Hypothenemus hampei (Ferrari) (Coleoptera: Scolytidae)
Abstract Views :228 |
PDF Views:113
Authors
S. Irulandi
1,
R. Rajendran
2,
D. Samuel Stephen
1,
C. Chinniah
2,
P. K. Vinod Kumar
1,
K. Sreedharan
3
Affiliations
1 Regional Coffee Research Station, Kodaikanal TK. Thandigudi - 624216, Dindigul District, Tamil Nadu, IN
2 Agricultural College and Research Institute, Tamil Nadu Agricultural University, Madurai - 625104, Tamil Nadu, IN
3 Central Coffee Research Institute, Coffee Research Station, Chikmagalur - 577117, Karnataka, IN
1 Regional Coffee Research Station, Kodaikanal TK. Thandigudi - 624216, Dindigul District, Tamil Nadu, IN
2 Agricultural College and Research Institute, Tamil Nadu Agricultural University, Madurai - 625104, Tamil Nadu, IN
3 Central Coffee Research Institute, Coffee Research Station, Chikmagalur - 577117, Karnataka, IN
Source
Journal of Biological Control, Vol 22, No 1 (2008), Pagination: 91-97Abstract
Laboratory and field experiments were carried out to evaluate the bio-efficacy of the white muscardine fungus, Beauveria bassiana (Balsamo) Vuill. and the exotic parasitoid Cephalonomia stephanoderis (Betrem) on coffee berry borer, Hypothenemus hampei (Ferrari) (Coleoptera: Scolytidae) at Pulney hills, Tamil Nadu, India, during the year 2004-05. Laboratory studies showed that B. bassiana at the dose of 1×109 spores ml−1 registered the highest per cent mycosis (65,09%), followed by 1×108 spores ml−1 (61.52%) and 1×107 spores ml−1 (56.39%) as against zero per cent mycosis In untreated check. The results from the field studies indicated that the cumulative mean per cent mycosis of B. bassiana on coffee berry borer recorded throughout the period of observations was highest at the dosage of 1×109 ml−1 (58.49%, followed by 1×108 spores ml−3 (48.76%) and 1×107 spores ml−1 (39.27%). The results of the present study on C. stephanoderis revealed that among the 17 locations surveyed, the highest level of parasitism was observed in Nallurkadu (36.25%), followed by Solaikadu (34.45%) and Adalur (32.44%).Keywords
Beauveria bassiana, Biological Control, Cephalonomia stephanoderis, Coffee Berry Borer, Hypothenemus hampei, IPM For Coffee.- In Vitro Screening of Okra Abelmoschus esculentus L. Germplasm Collections against Sucking Pests
Abstract Views :361 |
PDF Views:0
Authors
Affiliations
1 Department of Agricultural Entomology, Agricultural College and Research Institute, (T.N.A.U.), Madurai (T.N.), IN
2 Agricultural College and Research Institute, (T.N.A.U.), Madurai (T.N.), IN
1 Department of Agricultural Entomology, Agricultural College and Research Institute, (T.N.A.U.), Madurai (T.N.), IN
2 Agricultural College and Research Institute, (T.N.A.U.), Madurai (T.N.), IN
Source
International Journal of Agricultural Sciences, Vol 12, No 2 (2016), Pagination: 335-338Abstract
Studies on "In vitro screening of okra germplasm/ accessions against sucking pests" were undertaken at Agricultural College and Research Institute, Madurai. Thirty okra accessions were screened against sucking pests' viz., aphids, jassids, and whiteflies. The results showed that accessions IC 15027 showed resistant level, IC 90202, IC 90203, IC 90213, IC 90214 found to be moderately resistant to sucking pests.Keywords
Screening, Okra, Sucking Pests, Germplasm, Resistance.References
- Amaranatha Reddy, M. and Sridevi, O. (2014).Evaluation of advanced breeding lines for yield and yield related components and resistance to okra yellow vein mosaic virus (OYVMV) disease in okra. Internat. J. Plant Sci., 9 (1): 52-56.
- Bag, M.K., Roy, Anirban, Gangopadhyay, K.K. and Dutta, M. (2012). Evaluation of wild okra germplasm against yellow vein mosaic disease for their value added utilization to sustain livelihood through agriculture. NBPGR.
- Fauquet, C.M. and Stanley, J. (2005). Revising the way we conceive and name viruses below the species level: a review of geminivirus taxonomy calls for new standardized isolate descriptors. Arch. Virol., 150 : 2151-2179.
- Gonde, A.D., Ashwanikumar, Raut, A.H., Wargantiwar, R.K. and Phuke, D.P. (2012). Screening varieties of Okra [Abelmoschus esculentus (L.) Monech] against Important Insect Pests under Agroclimatic Condition of Allahabad (U.P.) Trends in Biosciences, 5(3) : 249-251.
- Jalgaonkar, V.N., Patil, P.D., Munj, A.Y. and Naik, K.V. (2002). Screening of new germplasm of okra, Abelmoschus esculentus (L.) against sucking pests. Pestology, 26(2): 42-46.
- Kulkarni, C.S. (1924). Mosaic and other related diseases of crops in the Bombay Presidency. Poona Agriculture College Magazine, Pune, p 16.
- Mali, B.L. and Shah, Rakesh (2013). Estimation of biochemicals constituents in the yellow vein mosaic virus infected leaves of okra [Abelmoschus esculentus (L.) Moench] after sprays of insecticides and botanicals. Internat. J. Plant Protec., 6(2) : 304-308.
- Patel, P.S., Patel, G.M. and Shukla, N.P. (2009). Screening of various okra varieties against important pests. Pestol., 33(2): 30-35.
- Uthamasamy, S. and Balasubramanian, M. (1978). Efficacy of some insecticides in controlling the pests of okra (Abelmoschus esculentus (L.). Pesticides, 12 : 39-41.
- Effect of Biorationals against the Thrips, Scirtothrips dorsalis Hood Infesting Chilli
Abstract Views :138 |
PDF Views:1
Authors
Affiliations
1 Department of Agricultural Entomology, Agricultural College and Research Institute, Madurai (T.N.), IN
2 Krishi Vigyan Kendra, Pechiparai (T.N.), IN
3 Tamil Nadu Agricultural University, Coimbatore (T.N.), IN
1 Department of Agricultural Entomology, Agricultural College and Research Institute, Madurai (T.N.), IN
2 Krishi Vigyan Kendra, Pechiparai (T.N.), IN
3 Tamil Nadu Agricultural University, Coimbatore (T.N.), IN
Source
International Journal of Plant Protection, Vol 9, No 1 (2016), Pagination: 158-161Abstract
The present investigation was carried out to test the efficacy of biorationals against thrips, Scirtothrips dorsalis Hood on chilli. Field experiments were conducted at farmers holding during September 2009 - Febrauary 2010 and November 2009 - April 2010. Among biorationals tested, spinosad 45 SC @ 0.4ml 1-1 and emamectin benzoate 5 SG @ 0.4g 1-1 was found to be superior to the standard check dimethoate 30 EC @ 2ml 1-1 registering the least population of 0.55 and 0.59 / leaf, followed by Beauveria bassiana @ 1 x 108 spores ml-1 and neem oil 3 per cent which recorded thrips population of 1.01 and 1.11 / leaf. With regard to leaf curl damage by thrips, spinosad 45 SC @ 0.4 ml 1-1 and emamectin benzoate 5 SG @ 0.4g 1-1was very effective. Highest dry chilli yield of 1509 kg ha-1 was registered in spinosad 45 SC @ 0.4ml 1-1, which was on par with emamectin benzoate 5 SG @ 0.4g 1-1 (1525 kg ha-1) with respective additional income of Rs. 30,300 and Rs. 26,400. The highest cost benefit ratio (1:4.30) was obtained in spinosad 45 SC @ 0.4ml 1-1 followed by 1:4.30 in emamectin 5 SG @ 0.4g 1-1.Keywords
Biorationals, Thrips, LCI, Yield, Chilli.- Impact of Silicon on Sugarcane Leafhopper, Pyrilla perpusilla Walker by Enhancing Parasitism of Epiricania melanoleuca (Fletcher)
Abstract Views :312 |
PDF Views:162
Authors
Affiliations
1 Tamil Nadu Agricultural University, Agricultural College and Research Institute, Madurai – 625104, Tamil Nadu, IN
2 Tamil Nadu Agricultural University, Agricultural College and Research Institute, Kudumiyanmalai – 622104, Tamil Nadu, IN
3 Tamil Nadu Agricultural University, Grapes Research Station, Theni – 625526, Tamil Nadu, IN
1 Tamil Nadu Agricultural University, Agricultural College and Research Institute, Madurai – 625104, Tamil Nadu, IN
2 Tamil Nadu Agricultural University, Agricultural College and Research Institute, Kudumiyanmalai – 622104, Tamil Nadu, IN
3 Tamil Nadu Agricultural University, Grapes Research Station, Theni – 625526, Tamil Nadu, IN
Source
Journal of Biological Control, Vol 32, No 3 (2018), Pagination: 155-159Abstract
To evaluate the effect of four silicon fertilizers, field experiment was conducted in farmer’s holding at Poovanthi village of Sivagangai district, Tamil Nadu during 2017-2018 against sugarcane leaf hopper, Pyrilla perpusilla Walker and its parasitoid, Epiricania melanoleuca (Fletcher). Silicon fertilizers were applied @ 500 and 1000 kg ha-1 before planting and the leaf hopper population was recorded at 150, 180, 210, 240 and 270 days after application. The results of field experiment revealed that Pyrilla population was minimum in the plots treated with calcium silicate @ 1000 kg ha-1 (8.20 numbers/leaf) followed by calcium silicate @ 500 kg ha-1 (8.80 numbers/leaf) as compared over untreated check (98.20 numbers/leaf) and the percent reduction over untreated check was 82.45 and 73.71 per cent, respectively. Similarly, the per cent parasitism was maximum in the treatment with calcium silicate @ 1000 kg ha-1 (82.33%) during November, which was on par with untreated check. Hence, Pyrilla population declined to an extent of 82.45 per cent by enhancement of E. melanoleuca parasitism (82.33 %) due to the application of silicon fertilizers.Keywords
Epiricania melanoleuca, Parasitism, Pyrilla perpusilla, Silicon Nutrition.References
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- Efficacy of Hexane Extracts of Some Plants Against Rice Weevil Sitophilus oryzae (L.) in Stored Maize
Abstract Views :134 |
PDF Views:109
Authors
Affiliations
1 Department of Agricultural Entomology, Agricultural College and Research Institute (AC&RI), Tamil Nadu Agricultural University (TNAU), Madurai 625104, Tamil Nadu, IN
2 Department of Seed Science and Technology, Agricultural College and Research Institute (AC&RI), Tamil Nadu Agricultural University (TNAU), Madurai 625104, Tamil Nadu, IN
3 Department of Biotechnology, Agricultural College and Research Institute (AC&RI), Tamil Nadu Agricultural University (TNAU), Madurai 625104, Tamil Nadu, IN
1 Department of Agricultural Entomology, Agricultural College and Research Institute (AC&RI), Tamil Nadu Agricultural University (TNAU), Madurai 625104, Tamil Nadu, IN
2 Department of Seed Science and Technology, Agricultural College and Research Institute (AC&RI), Tamil Nadu Agricultural University (TNAU), Madurai 625104, Tamil Nadu, IN
3 Department of Biotechnology, Agricultural College and Research Institute (AC&RI), Tamil Nadu Agricultural University (TNAU), Madurai 625104, Tamil Nadu, IN
Source
Indian Journal of Entomology, Vol 84, No 2 (2022), Pagination: 368-372Abstract
Hexane extracts of certain botanicals were evaluated in the laboratory for their oral, contact, fumigant toxicity and repellent activity at 5% concentration against rice weevil Sitophilus oryzae L. at the Natural Pesticide Laboratory, Department of Agricultural Entomology, Agricultural College and Research Institute, Madurai, Tamil Nadu during 2019-2021. The results revealed that all the botanicals were effective. Considering the contact toxicity, 5% hexane extract of Mentha spicata 5% (80.00%) performed better at 72 hr after treatment. M. spicata and Vitex negundo 5% hexane extract exhibited maximum oral toxicity (90.00%). Fumigant effect was maximum in V. negundo (73.33%), M. spicata, Ocimum sanctum and Tagetes erecta flower extracts (70.00%). Ocimum sanctum (70.56%) and M. spicata (67.22%) exhibited maximum repellency. Thus, M. spicata at 5% was the most effective as contact, oral, fumigant toxicant and repellent against S. oryzae in stored maize.Keywords
Sitophilus oryzae, Hexane Extracts, Botanicals, Contact Toxicity, Oral Toxicity, Repellency, Fumigant, Mentha spicata, Vitex negundo, Ocimum sanctum, Curcuma longa.References
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