Show unthrifty ty seed Is never recommended money and labor Is wasted without proper start poor seed will not produce a good crop of potatoes DO matter bow much labor and money are expended on fertilizer spraying and cultivation according to K li 11 fernow of the new york state college of agriculture good seed must be relatively tree free from virus diseases true to variety and in good condition an inspection of sped aped shows allows whether it la is badly sprouted shriveled or affected with black heart or freezing injury but only by examination of the growing plants can freedom from true diseases be determined to of obtain healthy seed malot maintain nin it a seed plot in which control methods against lrus irus diseases are used or else purchase seed from some one who uses control methods some growers buy enough good seed each year to plant an increase plot from which they obtain seed for or the their ir main planting the following year such stich a practice Is satisfactory only if the good seed purchased Is planted at it a distance from potatoes which have a relatively large lare amount of degeneration diseases and if conditions are not too fao favorable rable for or the spread ot of virus diseases within tile the plot at present there Is no way to know absolutely whether seed Is free ree from virus diseases but th the e use of certified seed usually results in healthier stock the fields from which such seed comes have been inspected by the state college and have been found to contain only a small amount of virus diseases |