Category: S

  • Secondary symptom

    In afflictions that yield multiple variations, one may pursue the sign that takes precedence over others.  

  • Suscept

    An entity that is susceptible to or has the potential to be impacted by a particular ailment (APS).  

  • Suberization

    The genesis of cork is the product of the activity performed by a cork cambium, commonly referred to as phellogen.  

  • Suberinization

    The accumulation of suberin within or onto the cell walls, such as those found in cork cells, endodermis, and other similar structures.  

  • Stripe

    This condition is identified by lengthy segments of discolored regions that appear in an indeterminate manner along either the stems or the leaves exhibiting venation that runs parallel to each other.  

  • Sticker

    The substance that is incorporated into a plant protectant to enhance its durability and resistance; the component that is integrated into a spray to bolster its adherence to the desired surface.  

  • Staling effect

    The deceleration of the expansion of a fungus within a homogenous cultivation medium can be attributed to the accumulation of endogenous metabolic substances that negatively impact its growth, in addition to unfavorable pH conditions and other related factors.  

  • Spora

    The populace of spore flora that exists in airborne (or aquatic etc.) particles derived from either the botanical or zoological kingdoms.  

  • Smith period

    A duration of 48 hours, where the temperature remains at or above 10°C and the relative humidity attains 90% or above for no less than 11 hours on each of the two days, is a set of circumstances that presents favorable conditions for the onset of Phytophthora infestans-induced infection in potato leaves.    

  • Shot hole

    The manifestation of an illness upon foliage is characterized by necrotic lesions of restricted dimensions, which detach from the leaf’s surface, creating perforations of almost circular shape.