Method for rapidly propagating mini potato by using potato stem segment
A technology of potatoes and micro-potatoes, applied in botany equipment and methods, applications, horticulture, etc., can solve the problems of high reproduction coefficient, time-consuming and laborious, complicated operation, etc., and achieve high reproduction coefficient, convenient transportation and simple operation
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Embodiment 1
[0031] Embodiment 1: Utilize the method of potato stem section cuttage technology to propagate color potato powder variety ' cherie ' miniature tuber rapidly, carry out the following steps successively:
[0032] 1), the preparation of cultivation medium:
[0033] Mix peat, vermiculite, and perlite in a mass ratio of 1:1:1 to prepare a cultivation substrate;
[0034] 2), transplanting of test-tube seedlings:
[0035] In early April, divide the cultivation medium into seedling pots and water thoroughly. Take the virus-free potato test-tube seedlings with good growth and plant height of 7-8cm from the tissue culture room, plant them in seedling pots after seedling training, put the seedling pots in a net shed covered with sunshade nets for cultivation, and use 40 mesh The insect-proof nets cover the seedling pots, and water them in good time according to conventional techniques. The daytime temperature is 28-30°C, the nighttime temperature is 18-20°C, and the humidity is 70%-9...
Embodiment 2
[0048] Embodiment 2. The potato variety in Embodiment 1 was changed from "cherie" miniature potato to "Zhongshu No. 3"; the rest were identical to Embodiment 1.
[0049] The result is:
[0050] Step 3): When the potato plant grows to about 30cm, it takes about 10 days; the multiplication coefficient is 9-10 times.
[0051] Step 5): about 18 days, the leaf nodes of the cut potato stem section produced about 1g of miniature potatoes;
[0052] Step 7): About 7 days, the harvested potato microtubers grow into seedlings; it takes about 9 days for the seedlings to grow to about 30 cm; the multiplication factor is 9 to 10 times.
Embodiment 3
[0053] Embodiment 3. The potato variety in Embodiment 1 is changed from "cherie" miniature potato to "Chuan 56"; the rest are equal to Embodiment 1.
[0054] The result is:
[0055] Step 3): When the potato plant grows to about 30cm, it takes about 9 days; the multiplication coefficient is 7-8 times.
[0056] Step 5): about 19 days, the leaf nodes of the cut potato stem section bear about 1g of miniature potatoes;
[0057] Step 7): About 7 days, the harvested potato microtubers grow into seedlings; it takes about 10 days for the seedlings to grow to about 30 cm; the multiplication factor is 7-8 times.
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