This pathogen mainly infected fruit and cotyledon of edible seed watermelon, especially causing spots with black and star-shaped cracks in fruit.
该病菌在田间主要侵染籽瓜的果实和子叶，症状在果实上尤为明显，形成黑色的星状开裂。
The farmer came up with the idea of making a cube-shaped watermelon which could easily be packed and stored.
该农民想出的点子是把西瓜种成立方形，这样一来包装储存都很方便。
So, about 20 years ago, a farmer on the island of Shikoku in southwestern Japan came up with the idea of making a cube-shaped watermelon that can easily fit in the fridge.
所以，20年前，一位四国岛的农民就产生了种植方便储藏在冰箱内的方形西瓜的念头。
The radian of the arc-shaped blade can be adjusted, the frontal area and the lateral faces are provided with the knife edges, and the watermelon seeds can be removed sanitarily and conveniently.
本实用新型的弧形刀片的弧度可调且正面和侧面都有刀刃，可以卫生方便的去除西瓜瓤。
The radian of the arc-shaped blade can be adjusted, the frontal area and the lateral faces are provided with the knife edges, and the watermelon seeds can be removed sanitarily and conveniently.
本实用新型的弧形刀片的弧度可调且正面和侧面都有刀刃，可以卫生方便的去除西瓜瓤。
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