Cucumber is an annual creeping or climbing herb of Cucurbitaceae. Stems and branches are elongated, furrowed, and are white and coarse. Tendrils are thin. Petiole slightly rough, with coarse hairs; Leaf blade broadly ovate-cordate, membranous, lobes triangular, dentate.

In order to prevent the harm of pesticide residues to human body, cucumber should be soaked in salt water for 15-20 minutes before being washed and eaten raw. Stir-frying cucumber is a delicious dish with simple method and refreshing taste.

2. Tomatoes

The scientific name of tomato is tomato, which is a kind of vegetation plant with ripe juicy berries as its products in the genus Lycopersicon of Solanaceae. Tomatoes cultivated in China are introduced from abroad, and their fruits are mostly red and look like persimmons, so they are commonly known as tomatoes. They are delicious in vegetables and beautiful in fruits, and have many functions, so they are called magical fruits in vegetables.

Scrambled eggs with tomatoes and tomato egg soup are daily tomato practices. These two practices are relatively simple, and the dishes made are bright in color and can arouse appetite.

3. Leek

Alias of leek: Fengben, Caozhongru, Qiyangcao, Lazy Vegetable, Changsheng Leek, Yangyang Grass, Flat Vegetable, etc. It is a perennial herb of Liliaceae, with a particularly strong smell, a recumbent rhizome, a narrow conical bulb, and a strong smell of fried leeks, which is a good meal.

Extended data:

Cucumber pest-downy mildew

It is a fungal disease, which occurs in the middle and upper leaves of cucumber. When observing in the field, you should master the following points: at about 8 am every day, see if there are water-soaked and polygonal spots on the back of leaves and whether there is gray mold layer on the spots. If you have these three points, you can be diagnosed as downy mildew. The suitable onset environment is temperature 16℃-22℃, and the relative humidity is above 83%.

References:

Baidu encyclopedia-cucumber