Auditing No.: Yushu Potato 2009002 Breeding unit: Zhengzhou Vegetable Research Institute Variety Source: Mermavr Potato 1 Characteristics: Early maturing varieties have a fertility period of about 58 days. Plants grow vigorously, the plant height is about 38.28cm, the number of main stems is about 1.2, and the stems are short. Stem green, green leaves, less flowers, strong. The tubers are round, light yellow, white and flesh. The potato skin is smooth and the buds are shallow. The tubers were neat and the number of tubers per plant was 2.8. Identification of resistance: Three field surveys from the Institute of Plant Protection of Henan Academy of Agricultural Sciences from 2007 to 2008 identified: anti-roll leaf virus disease, mosaic virus disease, anti-ring rot, anti-late blight. Quality Analysis: Agricultural Products Quality Supervision, Inspection and Test Center (Zhengzhou) of the Ministry of Agriculture detected: Vitamin C content was 26.8 mg/100 g, which was significantly different from the control Zhengshu No.5 (13.9 mg/100 g); Starch content was 12.9%, which was lower than the control Zheng Potato No.5 (13.4%); reducing sugar content 0.26%, higher than the control Zhengshu No. 5 (0.09%); protein content of 2.12%, higher than the control Zhengshu No. 5 (1.98%). Yield performance: In 2007, the province's regional trials, with an average yield of 985.3kg per mu, was 8.9% higher than the Zhengbus No. 5; in 2008, the trial yielded an average of 1254.2kg per mu, an increase of 10.3% over the Zhengbus No. 5. In 2008, the provincial production test had an average yield of 1124.3 kg per mu, an increase of 11.2% compared with the control Zhengshu 5. Appropriate areas: the province's second season for cultivation and a quarter for early maturing. Cultivation Techniques: 1, sowing date: spring open field cultivation in mid-March, sowing, harvest in late June; mulching can be sowed in late February, harvested in late May and early June. The fall is planted in the middle and early August and harvested in mid-November. Line spacing 60cm, spacing 20-25cm. In spring, the seeds are cut into pieces and used for 120kg per mu. In the fall, about 50g of healthy whole potatoes are soaked with gibberellin to germinate. The amount of mu is 250-300kg. 2. Field management: Choose sandy loam soil for planting and avoid planting in alkaline soil. Pay attention to ridicule. Strengthen the previous fertilizer and water management and field management. Earthing before ridge closure. Stop watering 10 days before harvest to facilitate harvest storage. Walking Tractor With Implements Two Wheel Tractor,Two Wheel Tractor For Sale,2 Wheel Walk Behind Tractor,Two Wheel Tractor Implements Henan Qianli Machinery Co.,Ltd. , https://www.chalionagri.com
New Potato Variety--Zhengshu No.8
Variety Name: Zhengshu No.8