Show increase yield of corn by use of paper bags natures method of pollinating pollina ting corn by broadcasting the pollen on the wind Is not definite enough to suit the needs of plant breeders bleeders bre eders engaged in corn improvement hence the ordinary grocery paper bag has come into conspicuous use as an aid in this field of science placing a bag over the tassel of a particular plant p lant the breeder Is able to obtain pollen that Is uncontaminated by pollen from other plants and to transfer it to selected ear shoots which also are guarded from stray pollen by being bagged it Is estimated that more than OW corn plants were hand pollinated pollina ted this season by experts working for the united states department of agriculture and the state experiment station modern corn breeding through such controlled pollination Is yielding promising results one of the angles of corn breeding that rapidly is being taken up at various stations Is the development of self fertilized lines through hand pollination li it has been demonstrated that some crosses between two Is sel elfed fed lines will yield much more than the parent variety from froin which the selfred sel fed lines were developed work Is being continued to locate those Is sel elfed fed lines that will give the maximum yield when crossed |