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Co-Authors
- K. A. Pathak
- S. Saha
- D. Chakraborty
- B. U. Choudhury
- S. B. Singh
- N. Chinza
- C. Lalzarliana
- S. K. Dutta
- S. Chowdhury
- Lungmuana
- A. R. Singh
- S. V. Ngachan
- A. Ratankumar Singh
- M. Thoithoi Devi
- N. Hemanta Singh
- Y. Ramakrishna
- S. Lungmuana
- Vishambhar Dayal
- Romila Akoijam
- S. K. Sharma
- M. Sujatha
- M. Santha Lakshmi Prasad
- P. Duraimurugan
- K. Sakthivel
- K. T. Ramya
- A. L. Rathnakumar
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z All
Boopathi, T.
- Efficacy of Bio- and Synthetic Pesticides to Lipaphis erysimi Kalt. and its Predator, Ischiodon scutellaris (Fabricius) in Broccoli Ecosystem
Abstract Views :271 |
PDF Views:195
Authors
T. Boopathi
1,
K. A. Pathak
1
Affiliations
1 ICAR Research Complex for NEH Region, Mizoram Centre, Kolasib 796 081, Mizoram, IN
1 ICAR Research Complex for NEH Region, Mizoram Centre, Kolasib 796 081, Mizoram, IN
Source
Journal of Biological Control, Vol 25, No 4 (2011), Pagination: 294-297Abstract
Field experiment conducted to evaluate the toxicity of bio and synthetic pesticides to Lipaphis erysimi Kalt. and its predator, Ischiodon scutellaris (Fabricius) in broccoli crop at the experimental farm, ICAR Research Complex for NEH Region, Mizoram Centre, Kolasib, Mizoram, India showed that application of synthetic pesticides recorded 100% reduction in the L. erysimi population. Synthetic pesticides were highly toxic to I. scutellaris and resulted in 100% mortality. Imidacloprid 17.8% SL was less toxic to I. scutellaris when compared to other synthetic pesticides. Neem oil formulations were effective against L. erysimi and did not have any detrimental effect on the maggots of I. scutellaris.Keywords
Lipaphis erysimi, Ischiodon Scutellaris, Biopesticides, Synthetic Pesticides, Safety, Toxicity.References
- Balikai, R. A. and Lingappa, S. 2004. Effect of natural plant products on predators of aphid, Melanasphis sacchari (Zehntner) in sorghum. Indian Journal of Entomology, 66: 57–59.
- Baral, K. and Sethi, H. 2001. Persistant and economics of some insecticides for the control of mustard aphid, Lipaphis erysimi (Kalt.) on rapeseed. Journal of Interacademicia, 5: 486–493.
- Chinnabbai, C. H., Devi, C. H. R. and Venkataiha, M. 1999. Bio-efficacy of some new insecticides against the mustard aphid, Lipaphis erysimi (Kalt.) (Aphididae: Homoptera). Pest Management and Economic Zoology, 7: 47–50.
- Kular, J. S. and Naveen Aggarwal. 2008. Relative effectiveness of a new insecticides against mustard aphid, Lipaphis erysimi (Kaltenbach) on rapeseed-mustard under field conditions. Pestology, 32: 32–35.
- Mani, M. and Krishnamoorthy, A. 1991. Contact toxicity of synthetic pyrethroids to some parasitoids and predators of mealybugs. Indian Journal of Plant Protection, 19: 93–95.
- Patel, J. J., Patel, N. C., Jayani, D. B. and Patel, J. R. 1996. Bioefficacy of synthetic and botanical insecticides against mustard aphid, Lipaphis erysimi (Kalt.) and diamond back moth, Plutella xylostella L. infesting cabbage. Gujarat Agricultural University Research Journal, 22: 67–71.
- Raguraman, S. 2006. Neem and Entomophages: Impact and Strategies in Pest Management, pp. 149–181. In: Proceedings of the 2006 International Neem Conference, November 11– 15, 2006, Kunming, China.
- Raguraman, S. 2007. Diversity and role of Neem in Insect Pest Management, Green Farming, 1: 45–49.
- Singh, C. P. and Sachan, G. C. 1997. Economic injury levels and economics of control of the mustard aphid, Lipaphis erysimi (Kalt.) on mustard in terai. India Insect Science Application, 17: 243–296.
- Singh, H. and Rohilla, H. R. 1997. Insect pest management in rapeseed mustard crops, pp. 136–141. In: Advance Training Course on Insect Pest Management, ICAR Centre of Advance Studies, Department of Entomology, C.C.S. Haryana Agricultural Unveristy, Hissar, Haryana, India.
- Toda, S. and Kashio, T. 1997. Toxic effect of pesticides on the larvae of Chrysoperla carnea. Proceedings of the Association for Plant Protection of Kyushu, 43: 101–105.
- Vastrad, A. S. 2003. Neonicotinoids-current success and future outlook. Pestology, 27: 60–63.
- Yigit, A., Canhilal, R. and Kismir, A. 1992. The side effect of some pesticides used in citrus orchards on natural enemies on the citrus mealybug pp. 251–263. In: Proceedings of the Turkish National Congress of Entomology.
- Spatial Variability in Temporal Trends of Precipitation and its Impact on the Agricultural Scenario of Mizoram
Abstract Views :220 |
PDF Views:117
Authors
S. Saha
1,
D. Chakraborty
2,
B. U. Choudhury
2,
S. B. Singh
1,
N. Chinza
3,
C. Lalzarliana
4,
S. K. Dutta
1,
S. Chowdhury
1,
T. Boopathi
1,
Lungmuana
1,
A. R. Singh
1,
S. V. Ngachan
2
Affiliations
1 ICAR Research Complex for NEH Region, Mizoram Centre, Kolasib 796 081, IN
2 ICAR Research Complex for NEH Region, Umiam 796 103, IN
3 Directorate of Economics and Statistics, and Government of Mizoram, 796 001, IN
4 Directorate of Crop Husbandry, Government of Mizoram, 796 001, IN
1 ICAR Research Complex for NEH Region, Mizoram Centre, Kolasib 796 081, IN
2 ICAR Research Complex for NEH Region, Umiam 796 103, IN
3 Directorate of Economics and Statistics, and Government of Mizoram, 796 001, IN
4 Directorate of Crop Husbandry, Government of Mizoram, 796 001, IN
Source
Current Science, Vol 109, No 12 (2015), Pagination: 2278-2282Abstract
Long-term monthly rainfall observations (1986-2014) were analysed for 12 rain-gauge stations installed at variable altitudes of Mizoram. Our objective was to assess the temporal change in the standardized precipitation index (SPI) values at different timescales using Mann-Kendall trend tests. Significant reductions in post-monsoon and winter rainfall were recorded for most of the sites. Increasing dryness during the winter months may intensify the acute water shortage in Mizoram. Our results emphasize the altitudinal insensitivity of mean monthly rainfall trend and prove the urgent need for adopting suitable water management practices to cope with the water scarcity problem to increase the resiliency of rabi agriculture in Mizoram in near future.Keywords
Agriculture, Rainfall Pattern, Standardized Precipitation Index, Spatial Variability.References
- Das, A., Ghosh, P. K., Choudhury, B. U., Patel, D. P., Munda, G. C., Ngachan, S. V. and Chowdhury, P., Climate change in northeast India: recent facts and events – worry for agricultural management. ISPRS Archives XXXVIII-8/W3 Workshop Proceedings: Impact of Climate Change on Agriculture, 2009, pp. 32–37.
- Ravindranath, N. H. et al., Climate change vulnerability profiles for North East India. Curr. Sci., 2011, 101(3), 384–394.
- Jhajharia, D., Shrivastava, S. K., Sarkar, D. and Sarkar, S., Temporal characteristics of pan evaporation trends under the humid conditions of northeast India. Agric. For. Meteorol., 2009, 149, 763–770.
- Jain, S. K., Kumar, V. and Saharia, M., Analysis of rainfall and temperature trends in northeast India. Int. J. Climatol., 2013, 33(4), 968–978.
- Saikia, U. S. et al., Shift in monsoon rainfall pattern in the North Eastern region of India post 1991. J. Agrometeorol., 2013, 15(2), 162–164.
- WMO, Standardized Precipitation Index User Guide. (eds Svoboda, M., Hayes M. and Wood, D.) WMO-No. 1090, World Meteorological Organization, Geneva, Switzerland, 2012, pp. 8–24.
- McKee, T. B., Doesken, N. J. and Kleist, J., The relationship of drought frequency and duration to time scales. In Proceedings of the IX Conference on Applied Climatology. American Meteorological Society, Boston, MA, 1993, pp. 179–184.
- Naresh Kumar, M., Murthy, C. S., Sesha Sai, M. V. R. and Roy, P. S., On the use of Standardized Precipitation Index (SPI) for drought intensity assessment. Meteorol. Appl., 2009, 16, 381–389.
- Jha, S., Sehgal, V. K., Raghava, R. M. and Sinha, M., Trend of standardized precipitation index during Indian summer monsoon season in agroclimatic zones of India. Earth Syst. Dyn. Discuss., 2013, 4, 429–449.
- Multi COB-Bearing Popcorn (Puakzo) Maize:A Unique Landrace of Mizoram, North East, India
Abstract Views :373 |
PDF Views:82
Authors
A. Ratankumar Singh
1,
S. B. Singh
2,
S. K. Dutta
3,
T. Boopathi
1,
Lungmuana
4,
S. Saha
4,
M. Thoithoi Devi
4,
N. Hemanta Singh
1
Affiliations
1 Division of Crop Protection, ICAR-Research Complex for NEH Region, Mizoram Centre, Kolasib 796 081, IN
2 Division of Social Science, ICAR-Research Complex for NEH Region, Mizoram Centre, Kolasib 796 081, IN
3 Division of Horticulture, ICAR-Research Complex for NEH Region, Mizoram Centre, Kolasib 796 081, IN
4 Division of Natural Resource Management, ICAR-Research Complex for NEH Region, Mizoram Centre, Kolasib 796 081, IN
1 Division of Crop Protection, ICAR-Research Complex for NEH Region, Mizoram Centre, Kolasib 796 081, IN
2 Division of Social Science, ICAR-Research Complex for NEH Region, Mizoram Centre, Kolasib 796 081, IN
3 Division of Horticulture, ICAR-Research Complex for NEH Region, Mizoram Centre, Kolasib 796 081, IN
4 Division of Natural Resource Management, ICAR-Research Complex for NEH Region, Mizoram Centre, Kolasib 796 081, IN
Source
Current Science, Vol 110, No 8 (2016), Pagination: 1392-1393Abstract
Mizoram is a mountainous (Lushai hill range) state with closely spaced intermountain valleys, demographically dominated by indigenous tribes (Mizo) constituting 94.4% of the total population. These tribal populations ensure the conservation of plant genetic resources for the future, for the food and nutritional security of an increasing population. Since 1976, in the northeastern hill region intensive collections of maize landraces were made by ICAR-NBPGR, New Delhi and diversity of landraces maize from this region comprised 36% of the total collection from whole India, which was the highest number of accession among other regions.- Morpho-Agronomic Diversity in Pole-Type Common Bean (Phaseolus vulgaris L.) Landraces from Lushai Hills of North-East India
Abstract Views :180 |
PDF Views:110
Authors
Affiliations
1 ICAR-RC NEH Region, Mizoram Centre, Kolasib - 796 081, IN
1 ICAR-RC NEH Region, Mizoram Centre, Kolasib - 796 081, IN
Source
Journal of Horticultural Sciences, Vol 10, No 2 (2015), Pagination: 177-182Abstract
The present study was based on morphological and agronomical characterization of 23 pole-type common bean (Phaseolus vulgaris L.) landraces collected from Lushai hills of North-East India. Extensive variation in plant and seed traits was found in 16 morphological and agronomical characters. Cluster analysis based on Euclidean distance grouped the genotypes into five main branches, reflecting their growth type and reproductive traits. Significant positive or negative correlation was observed among important traits. Principal component analysis was used for assessing patterns of variation by accounting for all the 10 quantitative and six qualitative variables together. Ordination among accessions showed that the first five principal components had Eigen values greater than one, and cumulatively accounted for 72% of the variation. Characterization based on quantitative and qualitative traits enabled separation of accessions into various groups representing landraces with distinct characters.Keywords
Common Bean, Pole-Type, North-East India, Landraces, Principal Components, Morphological Characterization.References
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- Occurrence, Severity and Association of Fungal Pathogen, Botrydiplodia theobromae with Sudden Death or Decline of Tree Bean (Parkia timoriana, (DC.) Merr) in North Eastern India
Abstract Views :314 |
PDF Views:113
Authors
A. Ratankumar Singh
1,
S. K. Dutta
1,
S. B. Singh
1,
T. Boopathi
1,
S. Lungmuana
1,
S. Saha
1,
Vishambhar Dayal
1,
Romila Akoijam
2,
S. K. Sharma
2,
N. Hemanta Singh
2
Affiliations
1 ICAR Research Complex for NEH Region, Mizoram Centre, Kolasib 796 081, IN
2 ICAR Research Complex for NEH Region, Manipur Centre, Lamphelphat 795 004, IN
1 ICAR Research Complex for NEH Region, Mizoram Centre, Kolasib 796 081, IN
2 ICAR Research Complex for NEH Region, Manipur Centre, Lamphelphat 795 004, IN
Source
Current Science, Vol 115, No 6 (2018), Pagination: 1133-1142Abstract
Tree bean, Parkia timoriana is one of the most important perennial tree legume vegetable crops in north eastern region (NER) of India. Recently, sudden death or decline is emerging as a major constraint in the production of tree bean. The prevalence, intensity and etiology of this disease have not been extensively studied. The present work was aimed at studying the symptomology, severity and etiology of sudden death or decline of tree bean in the north eastern region of India. Typical symptoms of tree bean decline were initiated with wilting of half portion of the tree, excessive shedding of leaves, gradual drying up leading to death, and secondary infestation by insects on dead trees. The highest disease severity of 68.5% was observed in warmer regions like Kolasib, Mizoram. During survey, small bark borer was recorded in all districts and levels of infestation rate (holes/ft2 of log) reached maximum up to 25.49 in Hnanthial of Lunglei district. Young trees in the range 1–10 years with 57.32% (917 trees) of total trees (1600) infected were most susceptible to the disease compared to 12.58% (201 trees) infection in old trees in the range 21–30 years. The frequently associated pathogen with sudden death or decline of tree bean was identified as Botrydiplodia theobromae at the Indian Type Culture Collection, ICAR-IARI, New Delhi. It was the most aggressive species and proven to be pathogenic to tree bean following artificial inoculation.Keywords
Botrydiplodia theobromae, North Eastern India, Parkia timoriana, Sudden Death or Decline Disease, Tree Bean.References
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- Kumar, S. K., Suresh, V. R., Nagachan, S. V. and Singh, T. R., Tree bean: a potential multipurpose tree. Indian Hortic., 2002, 47(4), 10–11.
- Phytoplasma on Sesame: Etiology, Insect Vectors, Molecular Characterization, Transmission and Integrated Management
Abstract Views :47 |
PDF Views:40
Authors
T. Boopathi
1,
M. Sujatha
1,
M. Santha Lakshmi Prasad
1,
P. Duraimurugan
1,
K. Sakthivel
1,
K. T. Ramya
1,
A. L. Rathnakumar
1
Affiliations
1 ICAR-Indian Institute of Oilseeds Research, Rajendranagar, Hyderabad 500 030, IN
1 ICAR-Indian Institute of Oilseeds Research, Rajendranagar, Hyderabad 500 030, IN
Source
Current Science, Vol 125, No 4 (2023), Pagination: 383-391Abstract
Sesame phyllody disease is of serious concern in many sesame-growing areas. It significantly diminishes crop production, especially in warm environments causing up to 80% yield loss. We observed various symptoms of phyllody disease, viz. flowery phyllody, virescence, flower bud proliferation, ovivipary and cracking of seed capsules. Orosius albicinctus (Distant) was identified as the vector of sesame phyllody. Sesame phyllody phytoplasma 16SrI strain sequences of India, Egypt and Thailand were associated in one group; 16SrII strains were grouped separately, comprising sequences from India, Iran, Taiwan, Turkey and Oman. 16SrIX stains of Iran (MW27256, KF774193 and MW272565) and Turkey (KC139791) sequences were clearly distinguished from the phylogenetic tree. This result clearly shows the presence of different sesame phyllody phytoplasma strains and diversity in the Indian subcontinent. Sesame phytoplasma was effectively transmitted to the healthy plants from infected plants of sesame through O. albicinctus, grafting and dodder. The most sustainable and viable alternative for managing sesame phyllody can be an integrated strategy by combining cultural, host plant resistance, biological, physical and chemical methods. Sesame phyllody has become a potential threat to sesame cultivation. Hence, it is necessary to take steps to reduce its further spread. In this article, extensive details on distribution, taxonomy, symptomatology, etiology, transmission, molecular characterization, genetic diversity, host plant resistance and management methods on phytoplasma infecting sesame are provided.Keywords
Host Plant Resistance, Insect Vectors, Molecular Characterization, Sesame Phyllody, Symptoms.References
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