Novel sweet-waxy corn and utilization method thereof

The technology of sweet and waxy corn and waxy corn is applied in the field of new sweet and waxy corn and its utilization, which can solve the problems of less seed content, low germination rate, weak seedling vigor, etc. Seedlings grow robustly

Pending Publication Date: 2021-11-23
SHENYANG JINSEGU SPECIAL CORN +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there are also some disadvantages, such as the problem of super sweet and waxy (sh2wx): one is the appearance of the ears of this sweet and waxy grain mixture, especially when it is processed into frozen fresh corn, the sweet grains in it are in the form of blisters, When processed into vacuum-packed corn ears, it is also easy to produce sweet kernels collapse, which is quite diff

Method used

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  • Novel sweet-waxy corn and utilization method thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0041] Example 1 Sweet-type fresh food corn and hybrid

[0042] 1. Artificial mutagenesis of sweet fresh food corn

[0043] Using existing artificial mutagenesis technology (see Zhou Hong Sheng, Maize Seeds, China Agriculture Press, 2000, 217-219. The probability of recessive mutation is about 0.1%), mutagenesis with methyl sulfonate (EMS) The pollen of the 玉 沉 沉 3 (Liaonian Audit No. 490). Specific method is to treat pollen mutagenesis by 10 times the pollen volume of EMS and pollen mix, shake once every 3 minutes, after treatment 45min, apply a brush to the flush that has been packaged in advance, pollination 30 ears, and then The bag is isolated, and the mutagenesis 1 generation (M1) seed is obtained.

[0044] The mutagenesis 1 generation (M1) seed, self-tracing, and mutagenesis 2 generation (M2) cutting. According to the grain depression, the super-sweet corn is full, endosperm powder, non-wax, opaque, non-wrinkled, epidermalless, wrinkled expression characteristic looks for s...

Example Embodiment

[0056] Example 2

[0057] 1. Artificial mutagenesis of sweet fresh food corn

[0058] Using existing artificial mutagenic technology (see Zhou Hong Sheng, Maize Seeds, China Agriculture Press, 2000, 217-219;) Pollen in national jade 2010014. Specific method is to treat pollen mutagenesis by 10 times the pollen volume of EMS and pollen mix, shake once every 3 minutes, after treatment 45min, apply a brush to the flush that has been packaged in advance, pollination 30 ears, and then The bag is isolated, and the mutagenesis 1 generation (M1) seed is obtained.

[0059] 2. Expressive identification and taste verification

[0060] Seeding seeds (M1), self-sustaining last year, self-tracing, and acquisition of 2 generations (M2) cutouts. According to the grain depression, the super-sweet corn is full, endosperm powder, non-wax, opaque, no shrinkage, glossless, wrinkled manifest characteristics, find sweet mutants (granules), and obtain sweet-type mutant particles 5 tablets.

[0061] Seedi...

Example Embodiment

[0071] Example III, Sweet-type fresh food corn variety breeding

[0072] 1. Breeding of Sweet-type Fresh Corn Self-communication

[0073] Using existing hybridization techniques, the Sw60 of the Sweet Fresh Food Corn Self-communicate SW60 is a non-rotation, with the reincarnation of the Shenlu 350 (Shen Luo No.7, the father), and returns the return. First, the SW60 is hybridized to the parent, starting from the second generation, and will return to the parent for the Qin 350. After 5 rounds, it is baked into a sweet and eaten. The seed grain is depressed, and the super-sweet corn is full, endosperm powder, non-wax, opaque, not wrinkled, the epidermis, no wrinkles. After fresh food, it has a sweet and sense. Sweetted fresh food corn self-communications SW350.

[0074] 2. Preparation of sweet and glutinous fresh food corn

[0075] Taking sweet self-intersection SW350 and SW60 (sweet self-intersection, Example 2) for the motherhood and the parent, the group is equipped with sweet cor...

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Abstract

The invention relates to a novel sweet-waxy corn and a utilization method thereof. According to the invention, sweet-waxy mutant grains are used as original materials, a sweet-waxy fresh corn inbred line is bred, the novel sweet-waxy corn is obtained, and each grain of the sweet-waxy corn has the sweet and waxy characteristics; the identification standard of the phenotype of the sweet-waxy mutant grains is that the grains are sunken, are fuller than sweet corns, have farinaceous endosperm and are non-waxy, non-transparent, non-crumpled, lusterless in epidermis and crumple-free, and the sweet-waxy fresh corn is sweet and waxy in a real sense, that is, each grain has the sweet and waxy characteristics in a fresh eating period. Due to the fact that the inclusion of sweet-waxy fresh corn seeds is greatly increased compared with that of super-sweet corn, especially compared with that of double-recessive super-sweet corn, the germination rate is high, the germination potential is high, emergence is easy, seedlings are robust, and the problems that the double-recessive super-sweet corn and the super-sweet corn are low in germination rate, low in emergence rate and low in seedling protection rate and seedlings are thin and weak are solved.

Description

technical field [0001] The invention relates to the field of crop breeding, in particular to a novel sweet waxy corn and its utilization method. Background technique [0002] Fresh corn refers to the type of corn that is picked and eaten at the milk ripening stage or processed into canned vegetables. Internationally, fresh corn is divided into ordinary sweet corn (su), enhanced sweet corn (suse), super sweet corn (sh2), waxy corn (wx), double recessive common sweet corn plus waxy corn (suwx), double recessive corn The main genetic types are super-sweet plus waxy corn (sh2wx) and triple-recessive normal sweet plus super-sweet plus waxy corn (su1sh2wx). Different types have different advantages and disadvantages and different edible and processing purposes. [0003] Ordinary sweet corn (sweet corn) is controlled by the su1 or su2 recessive mutation gene. Since it only contains soluble polysaccharides (wsp) and does not contain starch, the sugar content in the milking stage i...

Claims

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Application Information

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IPC IPC(8): A01H1/02A01H1/08
CPCA01H1/02A01H1/08
Inventor 史振声孙淑凤张喜华王健韩金玲杨敏
Owner SHENYANG JINSEGU SPECIAL CORN
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