Detailed Explanation of Key Cultivation Techniques for Cherry Tomatoes
I. Seedling stage: damping-off, root rot, early blight. Spray: carbendazim, metalaxyl, chlorothalonil, used alternately or in combination. At the same time add some insecticides, imidacloprid, lambda-cyhalothrin. Spray thiophanate-methyl once before transplanting. II. Field transplanting requirements: 1.2 m ridge spacing, plant 2200 plants per mu, one plant of tobacco to two plants of tomato (double row)...
I. Seedling stage: damping-off, root rot, early blight. Spray: carbendazim, metalaxyl, chlorothalonil, used alternately or in combination. At the same time add some insecticides, imidacloprid, lambda-cyhalothrin. Spray thiophanate-methyl once before transplanting.
II. Field transplanting requirements: 1.2 m ridge spacing, plant 2200 plants per mu, one plant of tobacco to two plants of tomato (double row), base fertilizer 50-100 kg compound fertilizer per mu, water thoroughly after planting, control underground pests well, cover with plastic film properly, use black film on plots with many weeds.
III. Cultivation and management: Build trellises. 1. Requirement: bamboo poles crossed in pairs and connected with horizontal bars; 2. Sucker removal: keep two branches below the first flower, remove the rest to avoid affecting growth. 3. Tying: gently lift the tomato branches with rice straw and tie them to the bamboo poles, taking care not to damage the tomato branches and flowers, and continue tying as they grow; to ensure a yield of 5000-7000 kg per mu, plenty of water and fertilizer are required.
IV. Pest and disease control: 1. Common symptoms of early blight: black spots on leaves spreading to stems and flower stalks; 2. Common symptoms of late blight: yellowing leaves and fruit drop in tomatoes; DuPont Curzate and some other pesticides for late blight can be applied; 3. Common symptoms of anthracnose: black spots on fruit are caused by early blight, spray with some pesticides for anthracnose control; 4. Common symptoms of bacterial wilt: the whole tomato plant withers and dries up; this disease is generally quite uncommon. 5. Pest control: common tomato pests include: cotton bollworm, thrips, whitefly, red spider mite; 6% imidacloprid, abamectin, etc. can all be used for control, and control should be carried out early, with prevention as the priority.
V. Harvesting. When all the above steps are done well, harvesting can be reached. Picking is something every farming household in Dujiangyan City should pay attention to; follow market requirements, do not pick fruit that is not red, and do not send fallen fruit, rotten fruit, worm-holed fruit or diseased-spot fruit to market.