Show notes on potato blight the spread ot potato blight Is ol 01 deeper interest to the potato grower than the spread 0 the potato bug abt because the blight is more and harder to cheal spraying is the most effective letb od of presenting potato blight but it must be used before the blight has ap feared that the tender fungi be killed as soon as they reach the sur face of the potato foliage the blight plant grows up inside the potato plant and Is not noticed till it begins to produce seed drawing all of its sustenance from the potato plant when the black spores appear the mischief Is then mostly done that is why spraying at that time ie large y ineffective spray with bordeaux mixture which Is fiade by combining 4 pounds of copper sulphate 4 pounds of fresh lime and 50 gallons of water the spray ing should be done during the first two beeks of july get ready jaw the earliest potatoes are not gen brally affected by blight the me daum and late varieties are the ones that have to be looked aut tor some of the eastern potato grower are trying to develop a potato that will be immune to the potato blight and they claim to have grounds to be lieve that success Is possible may their efforts be crowned with success charles comstoch cass co mich in farmers review |