By Lisa Firth (Editor) Independence Educational Publishers Cambridge
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Additional info for A Genetically Modified Future? Issues Vol 138
A Resilience to adverse environmental conditions – drought, salinity, poor soils, temperature fluctuations. The experience so far Bt cotton in China, South Africa and India leads the way. a Both Monsanto and Chinese transgenic lines in use in China, Monsanto lines in South Africa and Monsanto-derived lines in India. a Substantial decrease in the need for pesticide applications. a Slight increase in yield in China (c. 10%); increased yield in South Africa (up to 80%) and India. a Increased income to farmers because of reduced input costs and increased yields – in China the difference between modest profits and barely breaking even, in South Africa and India significant profits.
Researchers at the US department of agriculture have used MAS to develop a strain of rice that is soft on the outside but remains firm on the inside after processing. Scientists in the UK and India have used MAS to develop pearl millet that is tolerant of drought and resistant to mildew. The crop was introduced into the market in India in 2005. While MAS is emerging as a promising new agricultural technology with broad application, the limits of transgenic technology are becoming increasingly apparent.
Via banana – efficacy, price, logistics. a Enhanced nutrition – golden rice for vitamin A, alleviation of iron deficiencies etc. a Resistance to important insect pests and diseases. g. semi-dwarf yield gene into Basmati rice. Potential of emerging technologies and fundamental insights a The short-term major needs are for control of pests and diseases. Many technologies are available or emerging but need to be adapted to specific situations (crops/pests/diseases). a The longer-term needs include resistance to abiotic stresses such as drought and salinity so that poor unproductive land can be used and to adapt crops for postharvest storage and processing so that the food flow from rural to urban areas is more effective.
A Genetically Modified Future? Issues Vol 138 by Lisa Firth (Editor) Independence Educational Publishers Cambridge