Plants Cry For Help
When you purchase through links on our situation , we may earn an affiliate commission . Here ’s how it works . When injure , plants can cry for supporter via a chemic phone call to the root . If under approach by apathogen , such as disease - causing bacterium , a plant ’s folio can transport out an S.O.S. to the root for help , and the roots will then secrete an acid that brings good bacteria to the rescue , scientists announced today ....