Tomato breeding method
(1) Greenhouse seedlings There are humidification equipment in the greenhouse, generally used for winter and spring vegetable seedlings. Nursery boxes are now commonly used to raise seedlings. Nursery boxes are usually 70 to 80 centimeters long, 40 centimeters wide and 13 to 15 centimeters high. (2) Nursery nursery is generally divided into bred hotbed nursery and electric hotbed nursery. (3) Cold bed nursery The cold bed nursery, also known as Yangshuo nursery, is a protective cultivation form that uses the heat energy of sunlight to raise the bed temperature. It is covered by a soil frame, light-transmitting special film or glass, opaque covered brushwood or straw curtain, etc. composition. (4) plastic shed nursery plastic large, medium and small sheds are ideal nursery facilities, plastic sheds used for nursery must be covered with polyoxyethylene film, its light transmission and insulation properties are good. (5) Open field nursery and nursery plots are generally selected from 2 to 3 years of land that has not been planted with solanaceous vegetables, fertilized, soil preparation, and mulberry flats, and made into flat sorghum or sorghum. After sowing, no covering or sheds are used to protect the rain and rain, and only seedlings emerge after emergence, regardless of seedlings. Sometimes it can be sown directly into the nutrition bowl for live seedlings. Laboratory Diagnostic,Reagent Strips For Urinalysis,Assay Kits,LETIA Assay Kit,Urinalysis Assay Kits Jilin Sinoscience Technology Co. LTD , https://www.jlgkscience.com