Paper tube utilized tobacco cross-breeding technique
A hybridization method, paper tube technology, applied in the field of tobacco hybridization, can solve the problems of reducing hybridization quality, increasing paper consumption and cost, resource waste, etc., and achieve the effects of improving hybridization quality, simplifying operations, and saving labor
Inactive Publication Date: 2009-04-15
GUIZHOU TOBACCO SCI INST
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Problems solved by technology
The disadvantages of traditional methods are: (1) time-consuming and labor-intensive, complicated operation: before pollination, all existing capsules and flowers and flower buds that do not meet the pollination conditions must be removed; Time-consuming and labor-intensive; (2) high cost and waste of resources: traditional hybridization technology sometimes needs to be bagged separately on different flower branches of the same tobacco plant according to actual needs, which increases the amount of paper and cost; (3) low hybridization quality: Because the use of paper bags reduces the ventilation and light transmission of the inflorescences, affecting the normal growth of the inflorescences, thus reducing the quality of hybridization
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Embodiment
[0010] Embodiment: Guizhou should carry out hybridization at the full flowering stage of tobacco in July-August, and the concrete procedure has:
[0011] The first step is to select the female parent: choose a plant that is robust and typical of the variety as the female parent. The flowers of the female parent should be based on the anthers not yet split, the stigma swollen and secreting mucus, and having a high fertilization ability as the standard. Its appearance trait index is: the top of the anther is not opened or slightly opened, and the color of the top of the corolla is pink. Choose flowers as needed. Existing capsules, flowers and flower buds that do not meet pollination conditions can be cut off as needed, and it is not necessary to remove all existing capsules, flowers and flower buds that do not meet pollination conditions.
[0012] The second step, emasculation of the female parent: proceed according to the conventional method.
[0013] The third step, collect...
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The invention relates to a paper tube method of tobacco cross technique, wherein in the pollination, it uses paper tube to replace paper bag; when the pollination is end, sheathes paper tube on the post; it can avoid eliminate fruit, flower and bulb; eliminates the check process and recycles the paper tube. Two ends of paper tube are open or one end is sealed and another end is open. The invention has the advantages that: it can save cost, resource and improve quality.
Description
technical field [0001] The present invention belongs to hybridization method and equipment, specifically, belongs to tobacco hybridization technology. Background technique [0002] Traditional tobacco hybridization techniques include female parent selection, female parent emasculation, male parent pollen collection, pollination, inspection, and seed harvesting (see Tong Daoru, editor-in-chief. Tobacco Breeding. Beijing: China Agricultural Press, 1997: 199-201. ). The technical key is to fill in the label with the date of hybridization, combination number, parent, etc. after pollination, and tie it on the main stalk of the inflorescence. Then cover the whole inflorescence with a large paper bag, and seal the mouth of the paper bag with thin thread or a paper clip; 5 to 7 days after pollination, remove the paper bag to make it ventilated and light-transmitting, and remove the new buds that appear on the flowering branches, every 4 Check once every 5 days; 25 to 28 days after...
Claims
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IPC IPC(8): A01H1/02A01H1/04
Inventor 任学良王轶李继新吴春
Owner GUIZHOU TOBACCO SCI INST