Aphanomyces Root Rot of Alfalfa Quiz Aphanomyces Root Rot of Alfalfa Quiz Take the Quiz! Get a perfect score! Earn the medallion! Questions may have more than one correct answer. Be sure to select all answers that are correct. If you don't get a perfect score, you can take the quiz again until you do! Please provide your email address to receive your digital medallion. Reference: Aphanomyces Root Rot of Alfalfa Fact Sheet.Email(Required) 1) Aphanomyces root rot is a disease specific to alfalfa(Required) true false 2) Typical symptoms caused by Aphanomyces root rot of alfalfa include(Required) reduced seedling emergence stunting plant yellowing overproduction of fine roots large decayed areas on tap roots reduction in the number of fine roots 3) Excessive weed growth in an alfalfa field can be an indication of problems with Aphanomyces root rot.(Required) true false 4) The Aphanomyces root rot pathogen produces long-lived resting spores.(Required) true false 5) There are at least two variants (races) of the Aphanomyces root rot pathogen that affect alfalfa. Alfalfa varieties can react differently to these races.(Required) true false 6) Aphanomyces root rot more commonly occurs in dry seasons and in drier areas of fields because water-stressed plants are more susceptible to infection.(Required) true false 7) Management of Aphanomyces root rot of alfalfa typically involves(Required) using preventative fungicide treatments after plants emerge using resistant alfalfa varieties irrigating alfalfa in drier areas of fields to improve moisture availability and reduce stress improving drainage in flooded areas of fields using crop rotation Δ
