Hybrid breeding method for low-browning towel gourd

A hybrid breeding and loofah technology, which is applied in the field of hybrid breeding of low-browning common loofah varieties, can solve the problems of easy browning of pulp, difficulty in meeting consumers' requirements for high quality of loofah, decreased sensory, taste, and nutritional value, and the like, Achieve the effect of improving the variety structure of loofah, enriching consumption types, and reducing the degree of browning

Inactive Publication Date: 2014-08-27
WUHAN VEGETABLE RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] During the transportation and cooking process of loofah, due to mechanical damage to the tissue, its pulp is prone to browning, resulting in a decrease in the sensory, taste and intrinsic nutritional value of the product, making it difficult to meet consumers' high-quality requirements for loofah. This has become a loofah An important issue in consumption
In recent years, my country's Taiwan region has begun to pay attention to the breeding and basic research of low-browning or non-browning ribbed loofahs, but there are few reports on the breeding of low-browning common loofahs at home and abroad.

Method used

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  • Hybrid breeding method for low-browning towel gourd
  • Hybrid breeding method for low-browning towel gourd
  • Hybrid breeding method for low-browning towel gourd

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Example 1: Acquisition of low browning material LWB-02

[0026] "Baiyushuang" is a local variety in Wuhan City, Hubei Province. This variety is resistant to high temperature in summer and has yellow-white melon skin. The biggest advantage is that the melon meat does not brown or browns less after cooking. In March 2000, the "Bai Yushuang" loofah was purchased from the Dadongmen Seed Market in Wuhan City, Hubei Province as the original material. On April 20 of the same year, it was planted in Jiufeng Township, Hongshan District, Wuhan City. The female flower has about 15 nodes, the fruit is long and cylindrical, and it is resistant to high temperature and low browning. In addition, it also showed the shortcomings of greenish rind color, irregular length and surface characteristics of melon rind, and poor commerciality. According to the breeding goal of "the first female flower has a low node position, the melon-shaped and long cylindrical shape, the melon's rind is yell...

Embodiment 2

[0028] Example 2: Acquisition of low browning material LJ-01

[0029] "Yulu" is a local cultivar in Yiwu, Zhejiang Province. The cultivar has a medium growth vigor, the fruit is thicker from the top to the middle, and the tail is thin. Pale green, firm, hydrated, non-browning. In March 2000, "Yulu" loofah was purchased from No. 120 Tongji Street, Jinhua City, Zhejiang Province as the original material. On April 20 of the same year, it was planted in Jiufeng Township, Hongshan District, Wuhan City. According to the breeding goal of "the first female flower node is low, the shape of the melon is relatively straight, the rind is white, smooth and shiny, and the flesh is not browned", after 6 generations of self-breeding, a genetically stable High generation inbred line LJ-01. The inbred line LJ-01 has medium growth vigor, palmately lobed leaves, dark green leaves, yellow spots on the surface, the first female flower node is located in the 9-11 node, the main side and vine can b...

Embodiment 3

[0032] Preparation of the first generation of low-browning hybrids

[0033] In 2007, the high-generation inbred line LWB-02 of the low-browning loofah "Bai Yushuang" was used as the female parent, and the inbred line LJ-01 of the non-browning loofah "Yulu" was used as the male parent to make a common loofah. Hybrid "Jade Dragon".

[0034] Steps for breeding the variety "Jade Dragon"

[0035] ①Sow and raise seedlings, sow on March 10. Generally, the female parent should be sown 5 days earlier than the male parent; ②For planting, the seedlings can be planted at the stage of 3-4 true leaves, with a plant spacing of 40-50cm and a row spacing of 3-4m. Or cement piles are used as supports, iron wires and climbing nets are drawn on the roof, and the planting is in an inverted "U" shape. The ratio of parent to parent is 1:12; During the whole growth period, the field should be ventilated and light-transmitted; in the early stage, water and fertilizer management should be carried out...

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Abstract

The invention discloses a hybrid breeding method for a low-browning towel gourd. A high-generation inbred line LWB-02 with genetic stability is obtained as a female parent through six-generation single-plant inbred breeding of a Baiyushuang towel gourd, a high-generation inbred line LJ-01 with genetic stability is obtained as a male parent through six-generation single-plant inbred breeding of a Yulu towel gourd, and a hybrid variety Yulong is obtained through hybridization. The new hybrid variety obtained through the hybrid breeding method disclosed by the invention is white and shiny in towel gourd skin, compact in towel gourd flesh, and heavy in single towel gourd weight; the problem that the towel gourd flesh of a common towel gourd is generally easy to brown in the processes of transportation, cooking and processing is solved; the internal quality of the towel gourd is improved, and the high-quality requirements of consumers on the towel gourd are met. Meanwhile, after the screened non-browning inbred line LJ-01 is hybridized with other materials as the male parent, the browning degree of hybrid progeny can be significantly reduced, so that the inbred line LJ-01 can be utilized as a core material for breeding low-browning varieties.

Description

technical field [0001] The invention belongs to the technical field of loofah hybrid breeding, in particular to a hybrid breeding method of a low-browning common loofah variety. Background technique [0002] Loofah is an annual climbing herb of Cucurbitaceae, and it is divided into two types: ordinary loofah and ribbed loofah. Loofah not only contains a variety of nutrients needed by the human body, but also contains a variety of medicinal chemical components, which have the functions of anti-emergency, enhanced immunity, sedative and anti-inflammatory, antioxidant and anti-virus. The demand for loofah is increasing, and the cultivation area is expanding. [0003] The breeding work of loofah started late, and most of the local varieties with excellent performance were cultivated in production. Due to long-term selfing, the uniformity of these varieties decreased and their excellent characters gradually deteriorated. In recent years, breeders from all over the world have cu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01H1/02
Inventor 黄树苹徐长城谈杰谈太明张敏王春丽陈霞
Owner WUHAN VEGETABLE RES INST
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