A method for controlling the elongation of side branches of cut chrysanthemum
A technology for cut chrysanthemum and side branches, which is applied in horticultural methods, botanical equipment and methods, horticulture, etc., can solve the problems of restricting the efficient production of cut chrysanthemum, increasing production costs, affecting the quality of cut flowers, etc., and achieves easy operation, reduced frequency and intensity. , the effect of shortening and reducing the number and length
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Embodiment 1
[0040] This embodiment relates to a method for controlling the growth of side branches of cut chrysanthemum by regulating the ratio of red light and far-red light, including the following steps:
[0041] 1) Rooting culture
[0042] A. Cut the top tip of the mother plant of 'Shenma' as cuttings, keep 3-5 unfolded leaves on the cuttings, 4-6 cm in length, and the cut is close to the lower end of the node.
[0043] B. Soak the cut cuttings in water with 1000 times of chlorothalonil solution to absorb water for 10-15 minutes, then dip them in rooting agent for cutting. The cutting matrix is a 1:1 mixture of vermiculite and perlite, and spray water immediately after cutting. Keep the humidity of the slotting bed at about 90%, the temperature of the slotting bed is above 18°C, and take root after 15 days.
[0044] 2) Colonization culture
[0045] Transfer the rooted "Shenma" seedlings into a 12cm×12cm nutrient cup / pot for planting; put the above-mentioned planted cuttings under ...
Embodiment 2
[0051] This embodiment relates to a method for controlling the growth of side branches of cut chrysanthemum by regulating the ratio of red light and far-red light. Compared with Example 1, the difference is that in the step 3), the ratio of red light and far-red light is adjusted 0.50:1.
[0052] The data after statistical growth one month, axillary bud germination and elongation are suppressed, and axillary bud germination number is 48.8% of comparative example 1, and length is 59.2% of comparative example 1 (see attached figure 1 B and figure 1 E).
Embodiment 3
[0054] This example relates to a method for controlling the growth of side branches of cut chrysanthemums by regulating the ratio of red light and far-red light. Compared with Example 1, the difference is that in step 3) some of the axillary buds of "Shenma" start to germinate and elongate. For a long time (at this time, "Shenma" grows to about 45cm), adjust the optical density ratio of red light and far-red light to 0.08:1.
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