Varietal difference of tea [Camellia sinensis] plant to the infestation of Pseudaulacaspis pentagona Targioni
2001
Furuno, T. | Nagatomo, S. | Nonaka, T. | Shige, M. | Tanaka, T.
The varietal difference of tea plants to the infestation of mulberry-scale (Pseudaulacaspis pentagona TARGIONI) was investigated by using 276 varieties planted in tea fields of Tea Branch, Miyazaki Agricultural Experiment Station and Kagoshima Tea Experiment Station There are great varietal differences in infestation to mulberry-scale. The number of resistant varieties were more in Assam hybrid, Camellia sinensis var assamica * C. sinensis var sinensis, than that of C. sinensis var sinensis. Scince of many progenies of the parent or parents of the resistance varieties were resistant, and heredity of the resistance to mulberry-scale was admitted.
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