1Tuber Crops Research Centre, BARI, Joydebpur, Gazipur, (Bangladesh).
Two commercial potato varieties were planted at 10 days intervals at Pahartali, and at Joydebpur for determining the best time of planting for the production of seed tubers and table potatoes. Results indicated that November 10 to 20 is the best time of planting for the production of seed potatoes, whereas for table potatoes planting can be delayed upto 1st December. Seed quality deteriorated after 20th November. However, yields were affected after the 1st December. Late plantings were associated with weaker plant stand due to physiologically old Seeds which resulted into early tuberization, smaller tuber production, more virus infectton and low yield. Correlation studies showed that there were significant decrease in yields due to high incidence of diseases and late planting.
