The results showed that rice plant can be infected with Yellow-green chlamydospores during growing period of seedling and heading stage.
结果表明，在水稻幼芽期及抽穗期用黄绿色厚垣孢子接种，都能使其发病。
The effect on the rice growth in heading and flowering period by SO2 emitted from natural gas purification plant and fell to the ground has been tested through fumigation experiment.
通过对处于抽穗扬花期的水稻进行人工熏气试验，考察天然气净化厂事故徘放时外排的二氧化硫落地后对水稻生长的影响。
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