1·Subjects: (1)Approaching about hereditable toxicant effect on the occupational workers exposed to low-dose TCE within long term ;
目的：（1）探讨低剂量三氯乙烯（TCE）对长期职业接触工人的遗传毒作用；
2·The results supported that rice resistance to sheath blight was a hereditable character and selection to resistance was effective.
表明水稻对纹枯病的抗性是可遗传的性状，对抗性的选择有效。