Autumn light branch cutting method breeding ginkgo seedlings
1. Preparation of Cuttings. Around August 20th each year, collect the current season's shoots and cut them into 20-30 cm lengths. Immediately remove the leaves, leaving just a small petiole. Bundle 10 cuttings together and place them in a sand-bed for shaping. The humidity and looseness of the sand bed should be carefully controlled by hand to ensure optimal conditions for root development. After 10-15 days, the cutting tissue will heal and begin forming root initials. At this stage, the cuttings are ready to be transplanted before rooting occurs.
2. Preparing the Seedbed. Choose a location that receives ample sunlight, is close to a water source, and has good irrigation and drainage facilities. Turn over the topsoil of the bed and mix it with sand to eliminate weeds and control underground pests using appropriate insecticides. The seedbed should be oriented north-south, measuring 6 meters in length and 1.5 meters in width, and raised 20 centimeters above ground level to improve drainage and aeration.
3. Planting Technique. Once the cuttings are ready, plant them at a spacing of 6 cm between rows and 15 cm within rows, with a planting depth of about 10 cm. After pressing the cuttings into the soil, water them thoroughly and cover the bed with a plastic film to maintain moisture and warmth, which promotes root formation.
4. Shading and Protection. After planting, provide shade to protect the young cuttings from intense sunlight. The shading structure should be at least 30 cm above the plastic film. Materials such as corn stalks or straw can be used to cover the bed, ensuring that the light is diffused but not completely blocked. In the following spring, after the ginkgo seedlings have developed their first set of true leaves, the covering can be removed. However, the shade should remain in place until September to ensure strong growth and resilience.
This process ensures that the ginkgo cuttings develop healthy roots and grow into strong, vigorous seedlings, ready for transplanting into their final growing location. Proper care during the early stages is crucial for long-term success in cultivating ginkgo trees.
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