0
There are two main possibilities:
- the population of plants is evolving under the selection pressure of the disease to be more resistant to that disease
- the disease organism is evolving to be less virulent in those plants, as killing too many too fast can reduce the chances of that organism infecting other plants
What else can I help you with?
How many people die each year from disease?
3/4 of the world die or become very ill each year from a genetic disease
How many million Americans suffer from heart disease each year?
Approximately 48 million Americans suffer from heart disease each year.
What is the leading cause of death in US each year?
Heart disease
How many people are diagnosed in the US with kidney disease each year?
2 million people are diagnosed with kidney disease each year, and a few thousand die of it or complications.
Are coleus plants perennials or do they need to be replanted each year?
Coleus plants are typically grown as annuals, meaning they need to be replanted each year.
What is the number one cause of death in the United states each year?
Heart disease a+
Are sunflower plants perennials or do they need to be replanted each year?
Sunflower plants are annuals, meaning they need to be replanted each year as they do not come back on their own.
What are the plants called that have to be replanted every year?
Plants which grow from seed each year are called annuals.
How many homes does a single-family housing contractor build each year?
The typical home is built by a contractor who produces fewer than 25 houses each year
How many people get rift valley fever each year?
This a viral disease compared to valley fever in the South West US which is an inhaled fungal disease. About 100 people get this each year if the year has been unusually wet.
What disease kills the greatest number of sharks each year?
Japanese
Are margarita plants perennials?
No, margarita plants are not perennials. They are annual plants that typically need to be replanted each year.
