BotanyWhich of the following is incorrect statement related to plant breeding?

Which of the following is incorrect statement related to plant breeding?

A
Major food crops are derived from domesticated varieties
B
Green revolution was dependent on plant breeding techniques for development of high yielding varieties
C
Conventional plant breeding has only been practiced dates back to 900-1100 years ago
D
The purposeful manipulation of plant species is called plant breeding

Conventional plant breeding has been practiced since the beginning of human civilization dates back to 9,000-11 ,000 years ago.