UNIT 1: Answers

Practice Answers
1.  Dark water spots, black mold.
2.  BER is a calcium deficiency.
3.  Is BER is a disorder.
4.  Soil cannot be treated during the growing season, because treatment would further disturb compromised roots.

Assessment Answers
True    1.  Tomato Blossom End Rot is a physiological disorder.

True    2.  It is caused by a calcium deficiency.

False   3.  Fruit cell walls become stronger during BER. (Cell walls collapse and die.)

True    4.  During early fruit BER symptoms portions of the fruit remain edible.

True    5.  Soil treatment for calcium deficiencies during fruiting further damages roots. 

            6.  Early stage of BER is described as:
                 a. Dark water spot on the blossom end of the fruit

            7.  Middle stage of BER is described as:
                 b. Large brown lesion on the blossom end of the fruit

            8.  Late stage of BER is described as:
                 c. Black moldy lesion with collapsing adjacent fruit cells

 

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Revised December 3, 2001
Copyright Anne Premont