T/YLNK 32-2020 Active Group standards

T/YLNK 32-2020 "Yangling Agricultural Science" seed industry tomato variety Golden Pavilion 8

Publish Date: 2020-10-15 Implement Date: 2021-01-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/YLNK 32-2020

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Economic crops

ICS Name: Terminology (principles and coordination and cooperation)

Publish Date: 2020-10-15

Implement Date: 2021-01-01

Scope

Main technical content: 9. Cultivation techniques for autumn-extended cultivation in greenhouses: The sowing period should not be earlier than July 20, generally between July 20 and August 10. For early spring cultivation in the Guanzhong region, greenhouses should be planted after January 20, and large greenhouses should be planted after March 20. Planting should not be too early, and attention should be paid to early insulation, keeping the minimum greenhouse temperature above 12°C to 5°C. 9.2 Plant spacing: 40 cm to 45 cm. Alternatively, 55 cm spacing can be used, with double-stem pruning. Planting density: 2,000 plants/667 m2 to 2,200 plants/667 m2. 9.3 Deeply plow the soil to a depth of more than 30 cm, apply 10,000 kg/667 m2 of high-quality farmyard manure, and 100 kg/667 m2 of diammonium phosphate. 9.4 Cultivate strong seedlings and prevent excessive growth. When using hormones such as chlorophyll to control growth, the concentration can be increased by 10%. 9.5 Pay attention to preventing diseases such as Fusarium root rot and leaf mold. In areas with severe Fusarium root rot, graft cultivation should be carried out using Golden Shelter rootstock No.1 as the rootstock and Golden Shelter scion No.8 as the scion. 9.6 In high temperatures above 38°C, excessive growth, slow rooting, weak lighting, and high density of infected whiteflies, TY virus may also partially infect the plants. Preventive measures such as using insect-resistant nets with mesh size greater than 60 and shading nets should be implemented. 9.7 Appropriately increase potassium fertilizer application and avoid excessive nitrogen fertilizer application, especially ammonium nitrogen.