Wow, that would be a lot of weeding with that huge land. The choko is called chayote in the Philippines. It is a vegetable my mom cooked in her dishes. Here is the info you might want to read...
Chayote, also known as mirliton and choko, is an edible plant belonging to the gourd family, Cucurbitaceae. This fruit was first cultivated in the Mesoamericas between southern Mexico and Honduras, with the most genetic diversity available in both Mexico and Guatemala. [Source :] (https://en.wikipedia.org/wiki/Chayote)