Variety Name: Kaikang No. 9

Approved Code: Yushen Watermelon 2009012

Variety source: Kaifeng 75 Kaifeng 168

Breeding unit: Kaifeng Academy of Agriculture and Forestry Sciences

Characteristics: It is a mid-late-maturing variety with a total growth period of 105 days and a fruit development period of 33 days. Strong growth potential, strong branching, main vine length 350cm, stem diameter 0.9 cm, average internode length 10.2

Cm; stem cross-section plum-like, leaf-shaped palmate deep lobe, dark green leaves; first female flower of the eighth section, female flower interval 7; fruit type oval, fruit type index 1.3, peel black with fruit powder, Peel thickness 1.2

Cm, single fruit weight 7kg. Red flesh, crisp and juicy, good quality, good flavor; seeds black, oval, 1000-grain weight 52g.

Resistance identification: In 2007, the biotechnology center of the Zhengzhou Fruit Research Institute of the Chinese Academy of Agricultural Sciences identified the inoculation of the soil at the seedling stage: flu virus disease (grade 3.75). Field identification in 2008: resistance to wilt disease.

Quality Analysis: In 2008, the Ministry of Agriculture Quality Supervision, Inspection and Test Center (Zhengzhou) detected: The center's sugar content was 11.7% and the content of edge sugar was 10.1%.

Yield performance: In the middle and late-maturing group regional trials in 2007, the average yield per mu was 3021.2 kg, which was 25.0% higher than that of the control Qingfa No. 8. In 2008, the average yield per mu was 3210.5 kg, an increase of 13.4% compared with the control Qingfa No. 8. In 2008, the middle and late mature production trials in the province had an average yield of 3,308 kg per mu, an increase of 11.1% over the control Qingfa No. 8.

Appropriate areas: the province's plastic film or greenhouse cultivation.

Cultivation Techniques:

1, sowing date: in early March nursery or early March end of April live; greenhouse cultivation in late January or early February seedlings.

2. Density: 600 mulch per acre, 500 per acre shed, double vine or triple vine pruning, 3rd female flowers, artificial pollination, and marker collection.

3, field management: control of aphids, cotton bollworm, anthrax, virus disease. Apply the base fertilizer, re-apply the swollen manure, and pour enough swollen water.

The nutritional value of oyster mushrooms is relatively high. The main indicator for judging the nutritional value is the content of protein, while oyster mushrooms are rich in protein and have the advantages of low fat and low sugar. Both young girls who are losing weight and seniors who need to control their fat and sugar intake can rest assured.

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