Hybrid breeding method for low-browning towel gourd

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

Inactive Publication Date: 2013-12-11
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

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Experimental program
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Effect test

Embodiment 1

[0025] Embodiment 1: Obtaining 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 yellowish-white skin. The biggest advantage is that the melon flesh does not brown or browns less after cooking. In March 2000, "Baiyushuang" loofah was purchased from the Dadongmen Seed Market in Wuhan City, Hubei Province as the raw material, and it was planted in Jiufeng Township, Hongshan District, Wuhan City on April 20 of the same year. The female flower nodes are around 15 nodes, the fruit is long and cylindrical, high temperature resistant, and low browning. In addition, it also has the disadvantages of greenish rind color, irregular melon length and rind surface characteristics, and poor commerciality. According to the breeding goal of "low node position of the first female flower, melon-shaped elongated tube, yellow-white skin, slightly wrinkled, low browning of melon f...

Embodiment 2

[0028] Embodiment 2: Obtaining of low-browning material LJ-01

[0029] "Yulu" is a local variety in Yiwu, Zhejiang Province. This variety has medium growth potential, thicker fruit from the top to the middle, and a thinner tail. It is in the shape of a short stick. 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. It was planted in Jiufeng Township, Hongshan District, Wuhan City on April 20 of the same year. A single plant, according to the breeding goal of "the first female flower is low, the melon shape is relatively straight, the melon skin is white, smooth, shiny, and the melon flesh is not browned", after 6 generations of single plant self-breeding, a genetically stable Advanced inbred line LJ-01. The inbred line LJ-01 has medium growth potential, palmately lobed leaves, dark green leaves, and yellow spots on the surface. The first female flower node i...

Embodiment 3

[0032] Preparation of low browning hybrid first generation

[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 common loofah Hybrid "Yulong".

[0034] Procedures for breeding the variety "Yulong"

[0035] ① Sowing seedlings, sowing on March 10, generally the female parent should be sown 5 days earlier than the male parent; ② Colonization, the seedlings can be planted at the stage of 3-4 true leaves, the plant spacing is 40-50cm, the row spacing is 3-4m, and wooden stakes are used Or cement piles as supports, wires and climbing vines on the roof, planted in an inverted "U" shape, and the ratio of parent to parent is 1:12; ③Field, water and fertilizer management, remove all side vines on the main vine before the plant climbs the roof, During the whole growth period, it is necessary to ensure the ventilatio...

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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, and in particular relates to a method for hybrid breeding of common loofah varieties with low browning. Background technique [0002] Loofah belongs to Cucurbitaceae. Loofah is an annual climbing herb. It is divided into two types of cultivation: 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 ingredients. The demand for loofah continues to increase, and the cultivation area is expanding. [0003] The breeding work of loofah started relatively late, and the local varieties with excellent performance are mainly cultivated in production. Due to long-term self-breeding, the uniformity of these varieties has decreased and their excellent traits have gradually degraded. In recent years, breeders in various places have cultivated a batch of excellent new varieties by cross-bre...

Claims

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Application Information

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Patent Type & Authority Applications(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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