Research in Plant Disease

Table. 4.

Table. 4.

Total nitrogen contents and C/N ratio of panicles and stems in rice samples from high-incidence plots (% diseased panicles≥60%) and low-incidence plots (% diseased panicles≤10%)

Location (cultivar)Disease incidence levelTotal nitrogen content (%)C/N ratio (%)Percent diseased panicles (%)


PanicleStemPanicleStem
Haenam (Hitomebore)Low1.15±0.040.62±0.1436.22±1.4866.38±15.505.5±4.4
High1.25±0.130.94±0.2433.56±3.0444.29±10.6267.9±16.5
t-value2.283a3.712a2.378b3.651a
Miryang (Dongjin 1 ho)Low1.14±0.060.67±0.2336.29±1.9166.92±23.734.6±3.4
High1.38±0.131.20±0.3931.19±2.6037.51±12.8196.2±2.9
t-value4.777a3.511a4.905a3.308a
Naju (Ilmibyeo)Low1.21±0.080.75±0.3134.93±2.2364.62±30.473.6±1.7
High1.32±0.070.94±0.1832.10±1.2344.42±8.8177.7±31.2
t-value3.182a1.7122.911a1.916

A highly significant difference between samples from high-incidence plots and low-incidence plots (P<0.01).

A significant difference between samples from high-incidence plots and low-incidence plots (P<0.05).

Res. Plant Dis. 2019;25:196-204 https://doi.org/10.5423/RPD.2019.25.4.196
© 2019 Res. Plant Dis.