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Method for reducing wheat floret degeneration

A wheat and floret technology, applied in horticultural methods, botanical equipment and methods, horticulture and other directions, can solve the problems of complicated operation, failure of florets to be firm, and high production cost, and achieves simple and easy operation process, which is conducive to large-scale promotion, Wide range of effects

Inactive Publication Date: 2021-11-16
YANGZHOU UNIV
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Problems solved by technology

Wheat grains are developed after pollination by florets on the secondary branches of the cob, so the number of florets that can be pollinated normally will directly determine the number of grains per panicle and thousand-grain weight, thereby affecting wheat yield
However, in the process of wheat growth and development, it faces the phenomenon of floret degeneration, which refers to the stagnation, atrophy and even apoptosis of the flower organs of florets. The degenerated florets cannot bear fruit, which affects the yield of wheat
At present, the agronomic measures to reduce floret degradation in agricultural production mainly include rational fertilization ([1] Liu Wenjun. Effects of nitrogen and phosphorus application on floret differentiation, degradation and seed setting rate of winter wheat [J]. Gansu Agricultural Science and Technology, 2014, 4 (06): 28-30), improving temperature and light conditions ([2] Gong Shaoxian. Study on the influence of light intensity on the differentiation of wheat florets [J]. Agricultural Meteorology, 1982,4(02):9-13), controlling the sowing cycle ([3] Zhu Yuangang, Xiao Yanyan, Chu Jinpeng, et al. Correlation between floret development characteristics and assimilate metabolism of winter wheat at different sowing dates[J]. Journal of Plant Nutrition and Fertilizer, 2019, 25(03):370-381.) and other measures, These measures are expensive to produce and complicated to operate

Method used

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  • Method for reducing wheat floret degeneration
  • Method for reducing wheat floret degeneration
  • Method for reducing wheat floret degeneration

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Embodiment 1

[0024] (1) Cultivation and management of wheat: Before sowing, the planting area should be turned over to make the surface smooth and sparse. After sowing and before treatment, appropriate additional base fertilizers should be added to increase soil fertility. Spring wheat Yangmai 15 was selected as the wheat variety, and three rows were planted in each treatment, each row was 2 meters apart, and the row spacing was 20 cm, and different treatments were divided into partitions. Regularly check the seedlings and replant and remove weeds, water at the right time to replenish water, and pay attention to preventing diseases and insect pests.

[0025] (2) Determination of the jointing stage: after the emergence of wheat seedlings, select well-grown seedlings, peel off the glumes and inner glumes of wheat ears, use a stereo microscope to observe the development process of wheat ears and take pictures to determine the growth stage of wheat. Jointing period.

[0026] (2) Determination...

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Abstract

The invention discloses a method for reducing wheat floret degeneration. According to the method, 1-methylcyclopropene is sprayed to wheat in the jointing stage of the wheat. After the wheat is treated by the 1-methylcyclopropene, the degeneration of florets of the wheat is reduced, the number and the volume of wheat grains at different parts and the number and the volume of caryopsis of the wheat are increased, and the number of grains per ear and the thousand grain weight of the mature wheat are improved. The method is simple, convenient and feasible, is suitable for all wheat varieties, and is beneficial to popularization and application.

Description

technical field [0001] The invention belongs to the technical field of crop production increase and relates to a method for reducing the degeneration of wheat florets. Background technique [0002] Wheat is an important food crop in the world, and its yield and quality are related to my country's food security and social stability. The quality and yield of wheat are composed of many factors, including the number of ears per mu, the number of grains per ear, and the weight of thousand grains. Wheat grains are developed after pollination by florets on the secondary branches of the cob, so the number of florets that can be pollinated normally will directly determine the number of grains per spike and thousand-grain weight, thereby affecting wheat yield. However, in the process of wheat growth and development, it faces the phenomenon of floret degeneration, which refers to the phenomenon of stagnation, atrophy and even apoptosis of the floral organs of florets. The degenerated ...

Claims

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Application Information

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IPC IPC(8): A01G7/06
CPCA01G7/06
Inventor 余徐润章蓉熊飞
Owner YANGZHOU UNIV
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