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Method for increasing hybridization seed setting rate of morning glory

A technology of morning glory and seed setting rate, which is applied in the direction of botany equipment and methods, application, plant gene improvement, etc., can solve the problems of difficult fruiting, different flowering habits, and low seed setting rate of morning glory hybridization, so as to increase loose powder degree, increase the pollen vigor, and increase the effect of seed setting rate

Active Publication Date: 2014-11-19
南京利华农业科技有限公司
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AI Technical Summary

Problems solved by technology

In production practice, it was found that the seed setting rate of some morning glory hybrids is low, especially for different types of morning glory varieties, due to the different growth periods, the parents have different flowering habits, and it is not easy to set seeds, which is not conducive to further breeding of morning glory with target traits. New variety of cow flower

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0016] Material source, female parent material: big-flowered split-leaf morning glory, flower color is white.

[0017] Male material: Petunias, large flowers, round leaves, blue flowers. The above two varieties are available at Zhenjiang Ruifan Agronomy Co., Ltd.

[0018] The present embodiment is carried out as follows:

[0019] Sowing on June 30, seedlings were grown in the morning glory parent plug, when there were 4-6 true leaves, the male parent material was shading, and the shading treatment was applied for 10 days, and the light time per day was 9 hours.

[0020] The female parent morning glory and the male parent material morning glory after the above-mentioned treatment were planted in the farming field, and the field management was normal.

[0021] At the end of August, the parental materials of Morning Glory began to bloom one after another. At the beginning of September, when both parental materials reached the full flowering stage (the average daily flowering nu...

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Abstract

The invention relates to a plant breeding method, and especially relates to a method for increasing hybridization seed setting rate of morning glory, which belongs to the technical field of plant breeding. The method for preparing cenospecies of morning glory has the following advantages that appropriate sowing time and illumination treatment enable consistent florescence of a male parent and a female parent, the plant have optimum growth state and most appropriate fructification temperature while being pollinated, bud treatment before pollination is convenient and fast, and pistil stigma of the female parent is not injured; stamen pollen drying treatment before pollination is capable of increasing pollen-spreading degree and increasing the pollen vitality; and the female parent plant shading treatment after pollination is in favor of increasing the fructification percentage after pollination.

Description

technical field [0001] The invention relates to a plant breeding method, in particular to a method for improving the hybrid seed setting rate of morning glory, and belongs to the technical field of plant breeding. Background technique [0002] Morning glory (Pharbitis nil (Linn.) Choisy) is an annual trailing twining herb of the genus Petunia in the Convolvulaceae family. The trailing stem is slender, about 3 to 4 meters, and the whole plant is densely covered with short bristles. Leaves alternate, entire or lobed. Cymes axillary, 1 to several. Corolla trumpet-like. The flowers are bright and beautiful. Common cultivars include the following three types: split-leaf morning glory, with deep three-lobed leaves, medium-sized 1 to 3 axillary flowers, which are bright blue, rose red or white; round-leaf morning glory, broad heart-shaped leaves, entire, The flower type is small, with white, rose red, bright blue and other colors; the big-flowered morning glory has large leaves...

Claims

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Application Information

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IPC IPC(8): A01H1/02
Inventor 姚悦梅潘跃平吴国平戴忠良毛忠良潘永飞张振超秦文斌王建华肖燕刘小风孙春青马志虎孙国胜
Owner 南京利华农业科技有限公司
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