Vivek Shekhar

Learn More
Changes in ascorbic acid levels were followed in apical and basal portions of Russet Burbank and Kennebec tubers during growth and development. Influence of nitrogen fertilization during growth and short-term storage on ascorbic acid level of the tuber was also studied. Changes in ascorbic acid content during growth showed two distinct phases, the first(More)
Moisture stressing of potato plants resulted in reduced14CO2 fixation and translocation of labelled photosynthates from leaves to tubers. A majority of the label was recovered in the sugar fraction of both leaves and tubers. The amount of labelled14C recovered in the organic acid fraction of tubers of normally irrigated plants was significantly higher than(More)
A strong relationship was found between membrane permeability and starch to sugar conversion in stored potatoes. Tissue from tubers stored at low temperature had higher sugar content and more permeable membranes than from that of tubers stored at high temperature. Tubers, moisture stressed during growth and stored at 5.5 C, accumulated more reducing sugars(More)
Changes in malic and citric acid contents of apical and basal portions of tubers were followed during growth and development and in storage. Malic acid content was highest in the early harvested potatoes and decreased as the growing season progressed until a minimum level was reached approximately the first to the middle of September, and then started to(More)
No relationship could be found between calcium, magnesium, potassium, total phosphorous contents, and reducing sugar accumulation in apical and basal portions of Russet Burbank tubers. However, a highly significant positive correlation was found between inorganic phosphorous content of tubers and reducing sugar accumulation. Inorganic phosphorous and sugar(More)
S 60th ANNUAL MEETING THE POTATO ASSOCIATION OF AMERICA July 26-29, 1976 University of Wisconsin-Stevens Point (Part I) Minimum tillage of potatoes. KUNKEL, R., N. M. Holstad and R. E. Thornton, Washington State University, Pullman, Washington. In 1975, potatoes were planted in five fields under conditions known to be capable of stopping wind soil erosion,(More)
  • 1