Loading...
Please wait, while we are loading the content...
Similar Documents
Response of Nitrogen Fertilization and Plant Densities on Bt and Non-Bt Cotton (Gossypium hirsutum L.) Hybrids
| Content Provider | Semantic Scholar |
|---|---|
| Author | Nagender, T. Reddy, D. Raji Rani, Parimi Leela Sreenivas, Gade Surekha, K. Gupta, Akhilesh Sreekanth, P. D. |
| Copyright Year | 2017 |
| Abstract | Cotton is the most important commercial fiber crop of India since time immemorial. Its productivity however, has made little progress since independence. The severe incidence of bollworm complex owes major responsibility for the low cotton productivity in the country. The initial success with 4th generation synthetic pyrethroids in the early 1980’s for control of bollworms in cotton was lost with gradual resistance development to these pesticides. The costly and partially successful pest management practices made cotton farming uneconomical. The development of cotton hybrids with a gene from the soil bacterium Bacillus thuringiensis (Bt) by Monsanto enabled the plant to produce toxins to defend against bollworms attack. The Bt cotton hybrids were commercialized in USA in 1996 and subsequently introduced to Central and Southern cotton zones of India in 2002 with the grant of permission for cultivation of three Bt cotton hybrids. Subsequently in 2005, six Bt cotton hybrids were approved for cultivation in North cotton zone. Recent region-specific studies in India have found that Bt hybrids improved yields by 45-87 per cent (AICCIP, 2007). |
| File Format | PDF HTM / HTML |
| DOI | 10.20546/ijcmas.2017.609.394 |
| Alternate Webpage(s) | https://www.ijcmas.com/6-9-2017/T.%20Nagender,%20et%20al.pdf |
| Alternate Webpage(s) | https://doi.org/10.20546/ijcmas.2017.609.394 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
