This mechanical device was, in some areas, driven by water power. After both diploid genomes are assembled, they would be used as models for sequencing the genomes of tetraploid cultivated species. The largest producers of cotton, currently , are China and India, with annual production of about 34 million bales and The cotton was largely produced through the labor of enslaved African Americans. The secondary pests were mostly miridae plant bugs whose increase was related to local temperature and rainfall and only continued to increase in half the villages studied. The era of manufactured fibers began with the development of rayon in France in the s. What is your job function?