Yueyou No. 5 is a newly developed peanut variety that combines high yield, superior quality, early maturity, and strong resistance to rust. It was created through crossbreeding between Guangdong Oil 116PI381622 F1 Yueyou 116 and Guilin 28ICG 8641, both of which are parent lines from the Guangdong Academy of Agricultural Sciences. The variety has successfully passed the certification process in Guangdong Province.
From 1996 to 1997, Yueyou No. 5 participated in the regional trials for new peanut varieties in Guangdong. It achieved an average yield of 268.3 kg per mu, which was 7.5 kg higher than the control variety Shanyou 523, representing a 2.89% increase. In comparison with Yanyou 523, it produced 193.2 kg per mu, showing a remarkable 9.58% improvement. This variety exhibits strong plant vigor, with an upright and compact growth habit. The main stem height reaches 55.4 cm, while the branch length is 55.0 cm. It features good branching, with a total of 7.0 branches and 5.2 effective branches. The plant has 19.1 main stem leaves, and there are 7.5 main stems at harvest time. The leaves are light green and of medium size.
Yueyou No. 5 demonstrates strong resistance to diseases such as rust and leaf spot. Its fruit shape is uniform, full, and well-formed, with a full fruit rate of 75.3%. The weight of each cluster is 179.1 grams, and the kernel rate reaches 72%, with an oil content of 52.1%. The variety matures quickly, taking approximately 115 days when planted in spring and 110 days in autumn.
For cultivation, it is recommended to choose paddy fields or dry slopes free from bacterial wilt. The sowing pattern should be 20 cm by 23 cm, with two seeds per hole and five rows per acre, resulting in 20,000 to 23,000 seedlings per acre. Spring planting should occur five days before or after the Awakening of Insects, while autumn planting should take place five days before or after the beginning of autumn. Before sowing, seeds should be treated with carbendazim.
As a base fertilizer, apply 10 kg of urea, 5 kg of potassium chloride, 20 kg of superphosphate, and 750 to 1,000 kg of organic manure per mu. Within two days after sowing, herbicides should be sprayed to control weeds. When the plants have 4 to 5 leaves, insect-repellent sprays should be applied. Cultivators should be used before flowering, and weak seedlings can be fertilized with 10 kg of compound fertilizer to promote growth.
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