Tob. Sci., 1960, 4-21, p. 101-105, ISSN.0082-4623
Induction of frenching of tobacco in the field
Crops Research Division, Agricultural Research Service, United States Department of Agriculture, Beltsville, Maryland USA
Widespread frenching of Maryland Medium Broadleaf (Robinson) tobacco appeared in the third successive crop in a soil neutralized with lime and heavily fertilized with dicalcium phosphate. Frenching reached 100% and symptoms ranged from reticular...