Method for cultivating street trees of spicy Jatropha
The invention relates to a technology of a variegated coral flower and a cultivation method, which is applied in the field of cultivation of variegated coral flower street trees, and can solve the problems such as no research reports on Jatropha curcas and variegated variegated coral flower.
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Embodiment 1
[0025] In the spring of 2006, Jatropha curcas was sown, and after the seeds emerged, they were planted in the field. The side branches were constantly cut off from the seedling stage, and the growth of a single trunk was maintained, and only the top branches and leaves were kept. On March 7th, 2009, five 3-year-old jatropha curcas were excavated in the field, with a trunk height of 120 cm and a dry diameter of 4 cm, and were transplanted into the American planting bag. The transplanting substrate is peat soil: yellow core soil: river sand = 2:1:1. Prune Jatropha curcas, only keep 3 branches evenly at the top of the trunk, and the length of the branches is 50cm. Interspecific grafting began on May 10. Cut off the reserved 3 branches, the reserved length is 30cm, and the 3 branches are all used for grafting. Select the variable leaf coral flower plant of the pink flower variety, cut the semi-lignified branches as spikes, and perform branching as required. On May 30, the survi...
Embodiment 2
[0027] On April 10, 2010, five 4-year-old jatropha curcas were excavated in the field, with a trunk height of 140 cm and a dry diameter of 5 cm, and were transplanted into the American planting bag. The transplanting substrate is peat soil: yellow core soil: river sand = 2:1:1, and a small amount of decomposed chicken manure is added as base fertilizer. Prune Jatropha curcas, only keep 4 branches evenly at the top of the trunk, and the length of the branches is 40cm. Interspecific grafting began on May 20. Cut off the reserved 4 branches, the reserved length is 20cm, and the 4 branches are all used for grafting. Select the variable-leaved coral flower plant of the safflower variety, cut the annual lignified branches as spikes, and perform grafting as required. The survival rate of grafting was investigated on June 5, and 18 out of 20 scions of Coralia variegata began to grow, and the survival rate of interspecific grafting was 90%. After 3 years of normal management and pru...
Embodiment 3
[0029] On March 30, 2011, 10 5-year-old jatropha curcas were excavated in the field, with a trunk height of 160 cm and a dry diameter of 6 cm, and were transplanted into root-controlling containers. The transplanting substrate is peat soil: yellow heart soil: river sand = 2:1:1, and a small amount of decomposed chicken manure and phosphorus fertilizer are added as base fertilizer. Prune Jatropha curcas, only keep 4 branches evenly at the top of the trunk, and the length of the branches is 30cm. Interspecific grafting began on June 11. Cut off the reserved 4 branches, the reserved length is 10cm, and the 4 branches are all used for grafting. At the same time, the pollen flower variety and the safflower variety of Coral variegata were selected, and the annual lignified branches were cut as spikes, and grafted as required. On June 21, the survival rate of grafting was investigated, and 35 of the 40 scions of Coralia varifolia started to grow, and the survival rate of interspeci...
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