Suppressive effect of liquid potassium silicate on powdery mildew of strawberry in soil |
| |
| Authors: | Takeshi Kanto Akihiro Miyoshi Takuya Ogawa Kazumasa Maekawa Masataka Aino |
| |
| Institution: | (1) Hyogo Prefectural Technology Center for Agriculture, Forestry, and Fisheries, Minaminooka-ko, Befu-cho, Kasai, Hyogo 679-0198, Japan |
| |
| Abstract: | A soil drench of soluble silicon (liquid potassium silicate) was tested for the control of powdery mildew of strawberry in
soil for 2 years in a vinyl house under growers' conditions on two cultivars: very susceptible Toyonoka and slightly susceptible
Sachinoka. Soluble silicon suppressed the disease more effectively as a preventive control than as a control to reduce initial
incidence. The suppressive effect against this disease was more effective for Toyonoka than for Sachinoka. The control value
of soluble potassium silicate was 85.6% for Toyonoka in the first year and 60.2% in the second year, while for Sachinoka it
was 58% in the first year and 40.6% in the second year. Strawberry leaf hardness was measured for the control and silicate-treated
leaves. Although silicate-treated leaves seemed to be harder than control leaves, leaf hardness did not vary significantly
between controls and silicate-treated leaves in either of the 2 years, and the mode of preventive action of liquid potassium
silicate remains unknown. A factor other than a physical action may be involved. |
| |
| Keywords: | Powdery mildew Soluble potassium silicate Soil drenching Cultivar |
| 本文献已被 SpringerLink 等数据库收录！ |
|
