MySheen

Qingshu 4, a New Potato Variety

Published: 2024-11-06 Author: mysheen
Last Updated: 2024/11/06, Qingshu No. 4 is a new potato variety crossed by Niutou as female parent and Di Xiri as male parent, which is a crop of Qinghai Academy of Agricultural and Forestry Sciences. It was examined and approved by Qinghai crop Variety approval Committee in 2003. 1. Characteristics. It is a late-maturing variety with a plant height of about 110 cm and a stem diameter of 1.4 cm. The number of main stems is 2-4 and the number of branches is 3-5. The yield per plant is 1.26 kg, the number of tubers per plant is 7-11, and the weight of a single piece is about 130 grams. Tuber starch 17.12%, vitamin c24.6

Qingshu No. 4 is a new potato variety crossed by Niutou as female parent and Di Xiri as male parent, which is a crop of Qinghai Academy of Agricultural and Forestry Sciences. It was examined and approved by Qinghai crop Variety approval Committee in 2003.

1. Characteristics. It is a late-maturing variety with a plant height of about 110 cm and a stem diameter of 1.4 cm. The number of main stems is 2-4 and the number of branches is 3-5. The yield per plant is 1.26 kg, the number of tubers per plant is 7-11, and the weight of a single piece is about 130 grams. Tuber starch 17.12%, vitamin c 24.6 mg / 100 g, crude protein 1.86%, reducing sugar 0.538%, steamed taste good. It is resistant to drought, cold, salt and alkali, and the potato is resistant to storage. More resistant to late blight, ring rot, black shank, mosaic virus. The average yield was 2912 kg / mu, 35.32% higher than that of the control Xiazhai 65. It is suitable for planting in paddy fields and mountainous areas in Qinghai Province, and in the primary cropping area in the north of China.

2. Main points of cultivation. Before sowing, choose disease-free, injury-free 30-50 grams of young strong potato as seeds, whole potato sowing. The suitable sowing date is mid-April, sowing rate is 150,200kg / mu, row spacing is 70cm, plant spacing is 25-30cm, paddy field density is 3000 plants / mu, dry land density is 4000 plants / mu. Flat planting and wide row wide ridge and equal row spacing planting can also be carried out in paddy field areas with high heat, with wide row 80-100 cm and narrow row 25-30 cm. Low-calorie mountain areas can be planted with row spacing such as ridging.

 
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