Zucchini Annual creeping herbs; Stems with furrows, short bristles and translucent rough hairs. Petiole stout, short setose, 6-9 cm long; The leaves are hard, erect, triangular or ovoid, sharp at the apex, with irregular sharp teeth at the edge, heart-shaped at the base, curved in a semicircle, 0.5- 1 cm deep, 3-4 cm wide, dark green at the top, light at the bottom, slightly convex veins on the back, and rough hairs on both sides.

The fruit stalk is stout, with obvious furrows, and the fruit stalk becomes thick or slightly enlarged, but it is not trumpet-shaped. The shape of fruit varies from variety to variety; The seeds are mostly oval, white, about 20 mm long, and the edges are arched and obtuse.

Gourd: an annual climbing herb; The stems and branches are wrinkled and mucilaginous villous, and gradually fall off when they are old, becoming almost hairless.

The fruit is green at first, and then turns from white to yellow. Due to long-term cultivation, the fruit shape varies greatly, and varies with varieties or varieties. Some are dumbbell-shaped, narrow in the middle and swollen up and down. The upper part is larger than the lower part, and it is several tens of centimeters long. Some are only 10 cm long (small gourd), and some are oblate, rod-shaped or structural. When they mature, the skin becomes woody.

The seeds are white, obovate or triangular, truncated at the top or 2-toothed, sparsely round, about 20 mm long. It blooms in summer and bears fruit in autumn.

Second, the growth environment

Zucchini: The optimum temperature in the growing period is 20-25℃, and it grows slowly below 15℃, and stops growing below 8℃. It grows slowly above 30℃ and is easy to get sick. The suitable temperature for seed germination is 25-30℃, and it can germinate at 65438 03℃, but it is very slow. Germination at 30-35℃ is the fastest, but it is easy to cause overgrowth.

The flowering and fruiting period needs a higher temperature, and generally it is best to keep it at 22-25℃. The lowest temperature of root growth is 6℃, and the lowest temperature of root hair generation is 65438 02℃. The fertilized fruit can develop normally at night at 8-65438 00℃.

Gourd: Pingchuan and low-lying land with good drainage and fertile soil, and hilly land with irrigation conditions. Avoid watermelon and other melons.

Third, the distribution range.

Zucchini: Zucchini is native to southern North America. /kloc-it was introduced into China from Europe in the middle of the 0/9th century and distributed all over the world, especially in Europe and America. It is cultivated all over China.

Gourd: It is cultivated all over China. It is also widely cultivated in tropical to temperate regions of the world.

Fourth, the main value.

Zucchini: Zucchini contains more nutrients such as vitamin C and glucose, especially calcium. The contents of nutrients per 100g edible part (fresh weight) of different varieties are as follows: protein 0.6-0.9g, fat 0. 1-0.2g, cellulose 0.8-0.9g, sugar 2.5-3.3g, carotene 20-40g, vitamin C 2.5-9mg and calcium 22.

Gourd: Every 100g of gourd contains the following nutrients: calories (15.00kcal), protein (0.70g), fat (0. 10g), carbohydrates (3.50g), dietary fiber (0.80g) and vitamin A (0.70g).

Nicotinic acid (0.40mg), vitamin C (11.00mg), calcium (16.00mg), phosphorus (15.00mg), potassium (87.00mg) and sodium (0.60mg).

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