The principle environmental factor causing flower bud abscission is high temperatures while other stresses such as a lack of moisture and low light intensity can worsen the situation.
(The principle environmental factor; causing; flower bud abscission) (The principle environmental factor causing flower bud abscission; is; high temperatures) (other stresses such as a lack of moisture and low light intensity; can worsen; the situation)
The principle environmental factor The principle environmental factor causing flower bud abscission other stresses such as a lack of moisture and low light intensity
causing is can worsen
flower bud abscission
high temperatures
the situation