律师:我在今年年初买了某品牌的西瓜种子。在买的时候,种子商保证这种西瓜种子种的西瓜的形状是圆的,但当结瓜后瓜的形状却发长,并且质量极差,这直接影响到了西瓜的售出。请问,我该如何维护我的权益?王丽娜王丽娜:如果种子商在种子买卖过程中承诺了种子种出的西瓜的形状,一旦种出的西瓜不是原来约定的形状,则 Lawyer: I bought a brand of watermelon seeds early this year. At the time of purchase, the seed vendor assures that the shape of the watermelon seeds is round, but the shape of the melons grows long and their quality is poor when they are picked, which directly affects the sale of the watermelons. I would like to ask, how should I safeguard my rights? Wang Lina Wang Lina: If the seed trader in the process of buying and selling seed promised to seed the shape of watermelon, once planted watermelon is not the original agreed shape