侵染点

病菌侵入稻株建立侵染点后，侵染扩展速率逐渐增强，在本田期，病斑沿稻株垂直方向扩展速率齐穗期后是齐穗前的3～5倍；

After building infection court , infection rate of the disease agent gradually increased . In field the increase rate of sigh developed vertically on the rice-plant after heading was 3-5 times as much as before heading stage .

Orlandotangelo，Marrsorange和StarRuby柚子叶片下表皮的侵染点比上表皮多。

Both Amber sweet orange and Rio Red grapefruit had numerous infections on both the upper and lower epidermis . Orlando tangelo , Marrs orange , and Star Ruby grapefruit had more infection sites on the lower epidermis than on the upper epidermis .

在个别树上有多达54个侵染点。

There were as many as54 infection courts on an individual tree .

可形成乳突的侵染点下吸器形成率降低；

Under the invasion site where papilla can be form , the haustoria formation rate was lower .

芝麻在其生长期内易受到多种病害的侵染，其中茎点枯病是危害最严重的病害之一，其病原菌寄主广泛，适应能力强，极易造成病害流行。

Sesame during growth vulnerable to the infection of a variety of diseases , stem rot is one of the most serious disease , and its pathogen host widely adaptable , prone to disease epidemics .