Columnar and semi upright purple leaf lettuce

Product Name            Purple Crisp lettuce

Seed Type                  Seed

Single Fruit Height                  /

Additional Characteristics                Cold resistance

Row Spacing              20cm

Plant Spacing            30cm

Fruit Color                 Purple and green

 Breed                        Open-pollinated

Sun                             Full, Partial

Planting                     Full year

Categories                  Lettuce 

Days To Seedling (# Days)                       30

Temperature              15-20℃

Type                            Loose leaf lettuce

Main character

Leaf lettuce variety. Cultivated under suitable conditions, they are columnar and semi upright, with lanceolate leaves and red top. The leaf surface is smooth, cold resistant, crispy and high quality. It can be harvested about 30 days after planting.

Suitable planting season

It is suitable for cultivation in spring greenhouse and open cultivation in autumn. Spring sowing in Beijing should be from February 10 to March 10, and autumn sowing should be from August 10 to August 25; Sowing in Guangdong and Guangxi should be from August 1 to April 31 of the following year; The sowing in Yunnan should be from October 1 to March 15 of the next year. In other areas, the sowing date shall be adjusted appropriately according to the local climate and cultivation management experience.

Main cultivation measures

Proper temperature (15-20 ℃) is required before sowing. The seedling bed should pay attention to ventilation and temperature control, prohibit old seedlings, select fertile loam for high border planting (the daily average ground temperature in spring should be stable above 12 ℃), reasonable density (20x30cm), reasonable topdressing during growth period (avoid partial application of ammonia fertilizer, topdressing of calcium, phosphorus and potassium fertilizer, and pay attention to the use of boron, zinc and other trace elements), so as to maintain soil moisture Timely intercropping weeding and pest control (to reduce the occurrence of dry heartburn, scorched edge, soft rot and other diseases); Avoid continuous drought or flood irrigation during the harvest period, and harvest in time after maturity.

Adaptability

The climate varies greatly in different years, and the variety characteristics will change due to the change of sowing date, cultivation mode, climate, water and fertilizer, latitude, management and other factors (such as maturity, bolting, yield, color, resistance, etc.). Please fully understand this characteristic. Other same ecological area, same climate and first-time users must arrange small-scale introduction, Those with rich lettuce planting experience will expand the planting area on the basis of successful trial planting.

Quality index