Plumbago auriculata shoot cutting propagation method
A technology of twig cuttings and snowflakes, which is applied in the field of blue snowflake twig cuttings and propagation, can solve the problems of not being able to meet industrial seedling cultivation, the rooting rate is less than 60%, and the natural seed setting rate of seeds is low, so as to increase the average taproot length and improve Survival rate, the effect of increasing the average main length
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Embodiment 1
[0022] A 1:1 mixture of peat soil and perlite is used as the cutting substrate;
[0023] Select the 4-year-old mature blue snowflake plant as the mother plant for ear picking, use sharp scissors to cut the young shoots with terminal buds, robust growth, and semi-lignified as cuttings, keep 2 nodes of the cuttings, 5 cm long, and cut them from the bottom of the petiole Cut off the 2 leaves at the bottom of the cuttings, cut the bottom of the cuttings close to the nodes, keep 2 young leaves at the top of the cuttings, and cut off 1 / 3 of the larger leaves.
[0024] Soak the bottom of the cuttings in a hormone solution of 800mg / L naphthaleneacetic acid (NAA) for 25 seconds.
[0025] Use a pencil to punch holes in the cutting substrate with a distance of 3×4cm, then insert the cuttings at a depth of 1 / 3 of the length of the cuttings, press the substrate around the base of the cuttings tightly, and cover with a layer of sunshade net for shading. Spray with water to maintain humidit...
Embodiment 2
[0028] A 1:1 mixture of peat soil and perlite is used as the cutting substrate;
[0029] Select the 5-year-old mature blue snowflake plant as the mother plant for ear picking, use sharp scissors to cut the young shoots with terminal buds, robust growth, and semi-lignified as cuttings, keep 3 knots for the cuttings, 8 cm long, and cut them from the bottom of the petiole Cut off the 2 leaves at the bottom of the cuttings, cut the bottom of the cuttings close to the joints, keep 3 tender leaves at the top of the cuttings, and cut off 1 / 2 of the larger leaves.
[0030] Soak the bottom of the cuttings in a hormone solution of 1200 mg / L of naphthalene acetic acid (NAA) for 35 seconds.
[0031] Use a pencil to punch holes in the cutting substrate with a distance of 3×4cm, then insert the cuttings at a depth of 1 / 2 the length of the cuttings, press the substrate around the base of the cuttings tightly, and cover with a layer of sunshade net for shading. Spray with water to maintain h...
Embodiment 3
[0034] A 1:1 mixture of peat soil and perlite is used as the cutting substrate;
[0035] Select the 4-year-old mature blue snowflake plant as the mother plant for ear picking, and use sharp scissors to cut the young shoots with terminal buds, robust growth, and semi-lignified as cuttings. The cuttings retain 3 nodes and are 7 cm long. Cut off the 2 leaves at the bottom of the cuttings, cut the bottom of the cuttings close to the joints, keep 3 young leaves at the top of the cuttings, and cut off 1 / 3 of the larger leaves.
[0036] Soak the bottom of the cuttings in a hormone solution of 1000 mg / L of naphthalene acetic acid (NAA) for 30 seconds.
[0037] Use a pencil to punch holes in the cutting substrate with a distance of 3×4cm, then insert the cuttings at a depth of 1 / 2 the length of the cuttings, press the substrate around the base of the cuttings tightly, and cover with a layer of sunshade net for shading. Spray with water to maintain humidity.
[0038] Spray water once ...
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