Method for improving seed production efficiency of sponge gourd

A technology of loofah and efficiency is applied in the field of improving the efficiency of loofah seed production, which can solve the problems of increasing the difficulty of seedbed management, affecting the normal growth of loofah, affecting the pollination efficiency, etc., and achieves the effects of reducing the labor amount of hybridization, increasing the seed yield, and increasing the thousand-grain weight.

Inactive Publication Date: 2017-07-28
JIANGSU ACADEMY OF AGRICULTURAL SCIENCES
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the female flowers of this variety open first, the male flowers appear relatively late. In order to ensure the efficiency and purity of seed production, the existing technology: first, sow in stages, with a difference of 10 days between the two sowing dates, but the male flowers in the early stage still cannot meet the needs of seed production. At the same time, the difference in sowing date is relatively large, which increases the difficulty of seedbed management; the second is to adopt the conventional paper bag flower pollination method, and apply the stamen pollen of itself on the stigma of the open female flower on the same day, but when pollinating, the paper bag needs to be removed and pollinated again. Putting on a paper bag will seriously affect the pollination efficiency. At the same time, if the paper bag is not removed in time, it will also affect the normal growth of the loofah

Method used

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  • Method for improving seed production efficiency of sponge gourd
  • Method for improving seed production efficiency of sponge gourd
  • Method for improving seed production efficiency of sponge gourd

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Embodiment 1 (hybrid seed production)

[0040] 1) Sowing: The male parent 'Wuyexiang loofah' was sown in 50 holes on March 10, and the seedlings were raised by electric heating wire; the female parent 'Snake-shaped loofah' was sown in 50 holes on March 20, and the seedlings were raised by electric heating wire; On March 30, when the seedlings grew to 2 leaves, the male leaves were sprayed with gibberellin 1 time, divided into 5 treatment concentrations, namely spraying 0 (spraying clear water to make CK), 100, 200, 400 and 600ppm. The results showed that the 100ppm gibberellin treatment of the male parent had the best effect, which could promote the early flowering of male flowers for 4 days and increase the number of male flowers.

[0041] 2) Colonization: The male parent was colonized in the greenhouse on April 7, and the female parent was colonized in the greenhouse on April 17. The ratio of the parental parent was planted in the planting shed at a ratio of 1:20.

...

Embodiment 2

[0059] Embodiment 2 (conventional seed production)

[0060] Sowing: The first sowing date was sowing in 50 holes on March 10, and the seedlings were raised by electric heating wires; To 2 leaves, the leaves were sprayed with gibberellin once, divided into 5 treatment concentrations, namely spraying 0 (spraying clear water to make CK), 100, 200, 400 and 600ppm. The results showed that the 100ppm gibberellin treatment had the best effect, which could promote the early flowering of male flowers for about 4 days and increase the number of male flowers.

[0061] 2) Colonization: The first sowing date was planted in the greenhouse on April 5, the second sowing date was planted in the greenhouse on April 10, and the first and second sowing dates were planted in the seed production shed at a ratio of 1:25.

[0062] 3) Preservation of pollen: From 16:30 to 17:30 the day before, pick off the male flower buds that will open at the first sowing date tomorrow, put them in a paper bag, spr...

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Abstract

The invention discloses a method for improving seed production efficiency of a sponge gourd. The method comprises the steps of seeding the sponge gourd in two seeding dates in March, regarding the time when a female flower is opened above 15 nodes of the sponge gourd in the second seeding date as a pollination beginning period, picking off an opened male flower bud of a male parent at 16:30-17:30 of the day before pollination, keeping the male flower bud in a 4 DEG C refrigerator, selecting an unopened female flower bud from 14:30-17:30 of the pollination day, performing the pollination, shaking a seed gourd when a coat of the seed gourd becomes brown after 60 days from the pollination, and performing harvesting when a seed in the seed gourd rustles, wherein a difference between the first seeding date and the second seeding date is 5-10 days. The method adopts the advance pollination, and the female flower is unopened during the pollination, so that advance bagging is not required; complicated operation of bagging and bag removal for hybridization is saved; the hybridization manpower is greatly reduced; the hybridization efficiency is improved; a seed bud rate, the thousand kernel weight and a hybrid seed yield of the sponge gourd are increased.

Description

technical field [0001] The invention belongs to the field of vegetable breeding and relates to a method for improving seed production efficiency of loofah. Background technique [0002] 'Jiangshu 2' loofah is a high-quality early-maturing long rod-shaped hybrid variety bred by the Vegetable Research Institute of Jiangsu Academy of Agricultural Sciences. market potential. The female parent is the early-maturing long rod-shaped material 'Snake-shaped loofah', the first female flower node of this material is 6-7 nodes, and the female flower node rate is high; the male parent is the early-medium-maturing short rod-shaped material 'Wuyexiang' loofah, The first female flower node of this material is at 8-9 nodes, and the female flower node rate is relatively high; because the male parent material male flowers appear late, in order to ensure the hybridization efficiency and purity, the prior art: First, the male parent is generally sown 15 days earlier, but the male parent The ma...

Claims

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Application Information

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IPC IPC(8): A01H1/02A01G1/00A01G13/00C05G3/00C05G3/02C05G3/60
CPCA01G13/00A01H1/02C05B7/00C05G3/00C05G3/60C05G5/20C05C9/00
Inventor 宋波徐海樊小雪陈龙正
Owner JIANGSU ACADEMY OF AGRICULTURAL SCIENCES
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