Variety name: Kai-kyu
Approved Code: Yushen Watermelon 2009004
Breeding unit: Kaifeng Academy of Agriculture and Forestry Sciences
Variety source: Kaifeng No. 34 Kaifeng No. 117
Characteristics: It is an early-maturing variety with a total growth period of 96 days and a fruit development period of 28 days. The plants are growing steadily with medium branches; the main vines are 270cm long, the main stems are 0.75cm thick, and the internode 7.0
Cm, the first female flowering section of the sixth section, interval 6; fruit oval, covered with greenish green sawtooth strip, smooth surface, beautiful appearance, skin thickness 1.1cm, single fruit weight 4-5kg; red , Crisp and juicy, with less fiber, good taste and taste; Seeds dark brown, medium-sized, single melon average 350 capsules, a thousand grain weight 45g.
Identification of resistance: In 2007, the biotechnology center of 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 3.56); the soil in the greenhouse was identified by seedling identification: sensation of wilt disease (plant strain rate 89.7% ).
Quality Analysis: In 2008, the Ministry of Agriculture Quality Supervision, Inspection and Testing Center (Zhengzhou) detected: The center has a sugar content of 12.6% and a sugar content of 10%.
Yield performance:
In 2006, the provincial early-maturing group conducted a regional test, with an average yield of 2927.4kg per mu, an increase of 14% compared with the control Jingxin No.1; in 2007, the trial yielded an average yield of 2754.2kg per mu, an increase of 10.8% over the control Jingxin No.1. In 2008, the provincial early-maturing group produced an average yield of 2,798 kg per mu, an increase of 8.37% over the control Jingxin No. 1.
Cultivation Techniques:
1. Sowing date: cultivation in the middle and late second months of cultivation, mulching cultivation in early March, seedling age about 30 days.
2, density: 700 / acre, double or triple vine pruning. Take roots in time to remove the root melon, choose to leave the second or third female flowers and fruit, 1 per plant.
3, field management: apply enough base fertilizer, pouring foot bottom water, stop irrigation 7 days before harvest, should take the method of grafting and rooting to prevent the occurrence of wilt disease, control of aphids, anthrax, blight and other diseases and pests
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