Over 10% loss of agricultural incomes results from the weeds in the crop fields. But the cost of developing a new herbicide is 20-100 times as much as that of breeding a new cultivar of herbicide-tolerant crop. So suc...Over 10% loss of agricultural incomes results from the weeds in the crop fields. But the cost of developing a new herbicide is 20-100 times as much as that of breeding a new cultivar of herbicide-tolerant crop. So such crops are bred abroad and there appear an Atrazine-tolerant cultivar of rape by hybridization breeding, an Imazapyr-tolerant line of maize selected from tissue culture, a Chlorsulfuron-tolerant soybean展开更多
基金Project supported by the National Major Project of SciencesTechnology and the National Natural Science Foundation of China.
文摘Over 10% loss of agricultural incomes results from the weeds in the crop fields. But the cost of developing a new herbicide is 20-100 times as much as that of breeding a new cultivar of herbicide-tolerant crop. So such crops are bred abroad and there appear an Atrazine-tolerant cultivar of rape by hybridization breeding, an Imazapyr-tolerant line of maize selected from tissue culture, a Chlorsulfuron-tolerant soybean