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Kranthi, K. R.
- Natural Parasitization of Phenacoccus solenopsis Tinsley (Hemiptera: Pseudococcidae) on Cotton by Aenasius bambawalei Hayat (Hymenoptera: Encyrtidae)
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Authors
Affiliations
1 Central Institute for Cotton Research, Regional Station, Sirsa 125055, Haryana, IN
1 Central Institute for Cotton Research, Regional Station, Sirsa 125055, Haryana, IN
Source
Journal of Biological Control, Vol 23, No 4 (2009), Pagination: 457-460Abstract
Studies were conducted during 2007 and 2008 over a considerable geographical area under cotton cultivation for finding potential natural enemies of Phenacoccus solenopsis Tinsley. In July 2008, large numbers of mummified P. solenopsis along with healthy mealybugs were observed on heavily infested cotton crop at Central Institute for Cotton Research, Regional Station, Sirsa (Haryana) due to parasitization by Aenasius bambawalei Hayat, a potential bioagent of P. solenopsis. The parasitoid completed its life cycle on the mealybug leaving the mummified body along with the exit hole behind. The parasitization efficiency of the parasitoid from field collected mealybugs was 57.2 per cent (range 46-64%) whereas under laboratory condition, it was 60.6 per cent (45-74%). As biological control is a supplement to chemical control, the adverse effect of commonly used insecticides on cotton on the efficiency of this parasitoid was studied and monocrotophos was recorded as the most deleterious (57.52% reduction in parasitization). Spinosad and spirotetramet were found to cause the least reduction in parasitization.Keywords
Aenasius bambawalei, Insecticidal Intervention, Parasitoid, Parasitization, Phenacoccus solenopsis.Full Text
References
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- Hodgson, C., Abbas, G., Arif, M. J., Saeed, S. and Karar, H. 2008. Phenacoccus solenopsis Tinsley (Sternorrhyncha: Coccoidea: Pseudococcidae), an invasive mealybug damaging cotton in Pakistan and India, with a discussion on seasonal morphological variation. Zootaxa, 1913: 1–7.
- Monga, D., Rishi Kumar, Vijendra Pal and Jat, M. C. 2009. Mealybug, a new pest of cotton crop in Haryana-a survey. Journal of Insect Science,22: 100-103.
- Narasimham, U., Bhumannavar, B. S., Ramani, S., Poorani, J. and Rajeshwari, S. K. 1997. A catalogue of natural enemies and other insects in PDBC reference collection. PDBC, Banglore. 89 p.
- Development of Agro-Technology to Increase Yields of a Shy-Bearer Desi Cotton Species, Gossypium arboreum Race Cernuum in a Non-Traditional Area of Cultivation
Abstract Views :270 |
PDF Views:103
Authors
Affiliations
1 ICAR-Central Institute for Cotton Research, Nagpur 440 010, IN
1 ICAR-Central Institute for Cotton Research, Nagpur 440 010, IN
Source
Current Science, Vol 110, No 4 (2016), Pagination: 692-695Abstract
The rapid adoption of Bt cotton hybrids has wiped out the desi cotton varieties, causing a huge shortage of coarse raw cotton needed by the surgical cotton industry. The cultivation of desi cotton, Gossypium arboreum race cernuum with big boll size, good locule retentivity and quality parameters ideal for surgical end-use, is a promising option to revive the surgical cotton industry in Central India. This communication provides the results of a study in India and elsewhere to standardize the agro-techniques - plant density and growth regulator requirements for cultivation of cernuum plants. Our results indicate that on rainfed black soils of Central India, for maximizing productivity cernuum plants must be planted at 45 × 10 cm spacing accommodating 148,148 plants/ha. Further, application of a growth retardant, mepiquat chloride @ 50 g ai/ha in two equal splits at peak squaring (55- 65 days stage) and peak flowering (75-85 days stage), ensures a more efficient translation of photosynthates to bolls, increased boll weight and further enhances yield at high planting densities.Keywords
Agro-Technology, Growth Regulators, Mepiquat Chloride, Plant Density, Surgical Cotton.Full Text
References
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- Wilson Jr, D. G., York, A. C. and Edmisten, K. L., Agronomy and soils narrow-row cotton response to mepiquat chloride. J. Cotton Sci., 2007, 11, 177-185.
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- Darawsheh, M. K., Khah, E. M., Aivalakis, G., Chachalis, D. and Sallaku, F., Cotton row spacing and plant density cropping systems I. Effects on accumulation and partitioning of dry mass and LAI. J. Food Agric. Environ., 2009, 7, 258-261.
- De Almeida, A. Q. and Rosolem, C. A., Cotton ischolar_main and shoot growth as affected by application of mepiquat chloride to cotton seeds. Acta Sci. Agron., 2012, 34, 61-65.
- Possible Implications of a Recent Gazette Notification on Bt-Cotton Scenario in India
Abstract Views :259 |
PDF Views:77
Authors
Affiliations
1 Central Institute for Cotton Research, P.B. No. 2, Shankarnagar PO, Nagpur 441 108, IN
1 Central Institute for Cotton Research, P.B. No. 2, Shankarnagar PO, Nagpur 441 108, IN
Source
Current Science, Vol 111, No 10 (2016), Pagination: 1588-1590Abstract
According to a new Central Government gazette notification S.0.1813 (E) dated 18 May 2016, titled 'Licensing and Formats for GM Technology Agreement Guidelines, 2016', significant changes were proposed by the Ministry of Agriculture, that if implemented could have had far reaching consequences on cotton scenario in India. However, the Ministry suspended the gazette on 24 May 2016 and invited public comments within 90 days for a possible re-consideration and revision. It remains to be seen, as to which aspects of the gazette would be retained that may re-shape policies which could have a positive influence on the cotton sector.Full Text
- Non-Bt Seeds Provided by Seed Companies in India - Are they Suitable as Refuge for Bt-Cotton?
Abstract Views :296 |
PDF Views:89
Authors
S. Kranthi
1,
U. Satija
1,
P. Pusadkar
1,
Rishi Kumar
2,
C. S. Shastri
1,
S. Ansari
1,
H. B. Santosh
1,
D. Monga
2,
K. R. Kranthi
1
Affiliations
1 ICAR-Central Institute for Cotton Research, Post Bag No. 2, Shankar Nagar P.O., Nagpur 440 010, IN
2 ICAR-Central Institute for Cotton Research, Regional Station, Sirsa 125 055, IN
1 ICAR-Central Institute for Cotton Research, Post Bag No. 2, Shankar Nagar P.O., Nagpur 440 010, IN
2 ICAR-Central Institute for Cotton Research, Regional Station, Sirsa 125 055, IN
Source
Current Science, Vol 112, No 10 (2017), Pagination: 1992-1993Abstract
Genetically modified (GM) cotton fortified with cry1Ac (crystal 1Ac) gene derived from the soil bacterium Bacillus thuringiensis (Bt), commonly known as Bt-cotton, was approved in 2002 for commercial cultivation in India. The Cry1Ac protein expressed in Bt-cotton is toxic to the three major cotton bollworms: the American bollworm, Helicoverpa armigera (Hübner) (Lepidoptera:Noctuidae), pink bollworm Pectinophora gossypiella (Saunders) (Lepidoptera:Gelechiidae) and spotted bollworms Earias vittella (Fabricius) (Lepidoptera:Noctuidae) and Earias insulana (Boisduval) (Lepidoptera:Noctuidae).Full Text
References
- Kranthi, K. R. et al., Curr. Sci., 2008, 89(2), 291–298.
- Mohan, K. S. and Oufattole, M., In Genetically Engineered Crops in Developing loping Countries (eds Reddy, D. V. R. et al.), Studium Press, LLC Houston, USA, 2015, pp. 145–160.
- GEAC guidelines for refuge in Bt-cotton; www.moef.nic.in/divisions/csurv/geac/decision-Feb-107pdf
- GEAC guidelines for refuge in Bt-cotton; http://www.envfor.nic.in/sites/default/files/geac/decision-may-93.pdf
- Falling crop prices: Double whammy for cottonseed companies. Indian Express, 2015; http://epaper.indianexpress.com/533705/Indian-Express/02-July-2015#-page/21
- Dhurua, S. and Gujar, G. T., Pest Manage. Sci., 2011, 67(8), 898–903.
- Dennehy, T. J., Head, G. P., Moar, W. Greenplate, J. T., Mohan K. S. and Ravi, K. C., Proceedings of the Beltwide Cotton Conference, Atlanta, GA, USA, 4–7 January 2011, p. 1063.
- Kranthi, K. R., Cotton Statistics and News, 2015, 35, pp. 1–6; http://www.cicr.org.in/pdf/Kranthi_art/Pinkbollworm.pdf
- Kranthi, K. R., Bt detection kits. Patent Numbers. 2004110268/ZA200410268 (South Africa, 2007) ZL03817641. 6CN1672049 (China, 2008); MXPA-04011769 (Mexico, 2008); WO03102208 (Uzbekistan, 2008) and KR20050026396 (South Korea, 2008).
- http://www.amarimmunodiagnostics.com/GMO/Inserts/cry2a-elisa.pdf