Transgenic Bt Cotton

 Transgenic Bt Cotton Article

a few june 2011, Transgenic Bt Cotton

CICR TECHNICAL BULLETIN NO: 22

TRANSGENIC Bt COTTON

Dr CD Mayee Dr S Singh Dr AB Dongre Dr MRK Rao Doctor Sheo Raj

Central Commence for Silk cotton Research Nagpur

Downloaded from www.cicr.org.in

Technical Bulletin by CICR (www.cicr.org.in)

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Transgenic Bt Silk cotton

TRANSGENIC Bt COTTON 1 ) Introduction

Organic cotton is one of the major fibre seeds of global significance. It is developed in exotic and subtropical regions of much more than eighty countries of world occupying almost 33 meters ha with an annual development of nineteen to 20 , 000, 000 tones of bales. China, U. S. A., India, Pakistan, Uzbekistan, Australia, Brazil, Greece, Peru and Egypt are key cotton creating countries. These types of countries lead nearly 85% of the global cotton creation. In India, cotton has been cultivated in 9. 0 m ' and stands first in acreage. The crop is grown in varied agro-climatic situation throughout nine major states viz. Maharashtra, Gujarat, Madhya Pradesh, Punjab, Haryana, Rajasthan, Andhra Pradesh, Karnataka and Tamil Nadu. The crop is likewise grown in small location in Orissia, Assam, U. P and West Bengal. Nearly sixty million people are engaged in organic cotton production, advertising processing. The textile sector which utilizes the organic cotton provides work to about 16% of the total labor force. Cotton in the various forms also is raw materials for more than twenty-five industries. The choice of the Innate Engineering Approval committee (GEAC) of Government of India cleaning the release of Bt cotton for commercial cultivation during 2002-2003 plants season, is regarded as as one of the key milestones inside the history of natural cotton improvement in India. Furthermore, cotton is actually the 1st crop to obtain environment measurement as GMO in Of india Agriculture, and so has received optimum attention via planners, experts, social staff, media, maqui berry farmers and public. With liberalization of community trade next WTO creation, quality and price competition have become the buzz words not only for foreign trade performance but also for domestic make use of. India made significant advances in output since self-reliance. The country was producing simply 2 . 3 m dancings of short and moderate staple silk cotton from 4. 4 , 000, 000 ha (with production of 88 kg lint as well as ha). With two main technological concours viz. intro of cross technology in early seventies and molecules at the begining of eighties, output rose to 300 kilogram lint/ha. Yet , the security technology have been misused and started exhibiting negative influence, thus stagnating yields the past 5-6 years. Today, productivity of Indian cottons is definitely lowest on the globe. In contrast, the main cotton creating countries have got productivity 3-5 times bigger. There are many factors of low productivity of cotton in India. Besides dependency about 70% cotton production about vagaries upon monsoon, different ecological and soil circumstances, constant danger from infestations and disorders is considered an important biological challenge to effective cotton production. Amongst the biotic stress component, bollworms are by far the most severe pests of cotton and alternative handling strategies, including Bt cotton is considered a welcome scientific step.

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Why Bt Cotton?

In India, 162 species of bugs attack different stages of cotton. Of the, about a dozen are main and 50 % of them are key production constraints necessitating managing interventions in the crop environment. The drawing pest sophisticated comprising of aphids, jassids, thrips and whitefly will be widespread and fairly significant. However , their damage may be efficiently included by the existing practices of cultural, substance, biological and host amount of resistance means. The bollworms happen to be most important tissue feeders and highly harming. Three types of bollworms viz. American bollworm (Helicoverpa armigera), Lilac bollworm (Pectionphora gossypiella) and Spotted bollworm (Earias vitella), normally referenced as bollworm complex happen to be...


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