Following is a transcript of the video. Narrator: Just one 2.5-kilogram durian from Nonthaburi, Thailand, can cost $380. Yet the fruit has a smell that some people find extremely unpleasant.

"I invested in 5,000 square meters of Vietnamese Ri 6 durian, but most trees produced no flowers," said local farmer Hoa. Only the Thai durian variety she grew flowered, she added. In Hau Giang ...