EARTH SCIENCE
GEOBIOLOGY
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
They had a lot of resistance to disease.
|
|
|
They had a few plants that were resistant to the disease.
|
|
|
They had too much variation in their genes.
|
|
|
They had little variation in their genes.
|
Detailed explanation-1: -Fusarium wilt of watermelon is a soilborne fungus disease that occurs statewide. The disease can cause considerable damage where susceptible varieties are grown because entire plants are killed prior to harvest.
Detailed explanation-2: -Bacterial fruit blotch (BFB) is a serious disease infecting watermelons. The causal organism, Acidovorax avenae subsp. citrulli, was first identified in the United States in 1989 and in Missouri in 1994. This pathogen can cause significant yield losses depending on the stage of growth in which it infects the crop.
Detailed explanation-3: -Watermelon (Citrullus lanatus) is a flowering plant species of the Cucurbitaceae family and the name of its edible fruit. A scrambling and trailing vine-like plant, it is a highly cultivated fruit worldwide, with more than 1, 000 varieties.
Detailed explanation-4: -The most common postharvest bacterial disease is soft rot. Greasy spot and associated whitish mold growth of Phytophthora infected fruit.