agricultural agriculture berry citrullus lanatus cucurbita dark green elongated endocarp exocarp firm fleshy food fruit green healthy juicy melon mesocarp moist mottled nutritious pepo red rind rockmelon round seeds shape skin smooth sucrose sugars surface sweet texture variations vine water melon watermelon white bagasse bamboo-like biofuel biomass brown-leaves byproducts cane culms cylindrical dry ethanol fibrous-stalks fructose grass grass-family green-leaves harvesting internodes jointed leaves perennial plant Poaceae pulp saccharum-officinarum stalk stems stout sugar-cane sugar-juice sugar-production sugarcane sweetener tall thick Chinese-New-Year citrullus-lanatus edible good-fortune good-luck lunar-New-Year