What is Heterosis, meaning and its advantages

 HETEROSIS MEANING

Heterosis can be defined as the superiority of the F1 individuals over its parents.
In most of the cases the offspring is superior.
The term is first used by Shull in 1914.

It deals with Fertility and have adaptive significance.

It may also result in masking of deleterious genes.

Hybrid Vigor is the synonym used for Heterosis

EXAMPLE: Many tomatoes in F1 exhibit earliness and faster development so that vegetative phase is replaced by reproductive phase
Manifestations/ Advantages
1.Increased Yield:
2.Increased Size
3.Increased reproductive ability
4.Better Quality
5.Graeter adaptability
6.Disease Resistance

LUXURIANCE on the other hand is just opposite of Heterosis Or Hybrid Vigor

It deals with decreasing fertility and increasing sterility.