However, the disease incidence and the velocity of tumor development in clay soil were highest when occurrence of crowngall was in stable phase.
发病进入稳定阶段之后，与其它土壤类型相比，粘土中的发病率略高，冠瘿瘤体积大。
2
Some crown galls strains changed properties many months after induction. A sunflower crowngall strain changed its shape and growth speed seven months after induction.
在诱发后数月内有些冠瘿株发生明显变化，向日葵冠瘿株在诱发七个月后外形和生长速度发生了变化。
3
Plantlets have been induced from two carrot crowngall strains and two tobacco crowngall strains.