Simple and efficient field inoculation method for rice false smut germ
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A high-efficiency technology for rice smut fungus, applied in the field of field inoculation of rice smut fungus, can solve the problems of inability to develop disease, and achieve the effects of high accuracy, small workload and low cost
Inactive Publication Date: 2016-03-23
JIANGSU COASTAL AREA AGRI SCI RES INST
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[0009] The purpose of the present invention is to overcome the limitations of the prior art, to propose a simple and efficient field inoculation method for the rice smut fungus, and to solve the problem that the current field inoculation of the rice smut fungus chlamydospores cannot cause disease
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example 1
[0034] 1. Rice ball collection
[0035] On October 11, 2014, 300 rice balls (Villosiclavavirens (Nakata) E. Tanaka&C.Tanaka) (Zhang Juncheng et al., Preliminary study on the inoculation method of rice false smut and its effect. "China Rice Science", 2003, Volume 17 (4): 390-392) brought back to the warehouse of Jiangsu Coastal Area Agricultural Science Research Institute (address : No. 18, Gongnong Road, Tinghu District, Yancheng City) dried and stored in plastic bags.
[0036] 2. Rice cultivation
[0037] The experimental field was implemented in the third group of Wukang Village, New District, Yandu District, Yancheng City, Jiangsu Province. Yandao No. 10 was soaked on May 10, 2015, sown on May 13, and manually transplanted on June 18, 2015. 2-3 copies Planting, row spacing 25cm, plant spacing 14-17cm, routine management of fertilizer and water. On July 22, September 1, and September 9, 2015, insecticides were sprayed three times to control pests. On August 12, 2015 and ...
example 2
[0049] 1. Rice ball collection
[0050]On November 3, 2014, 300 rice balls (Villosiclavavirens (Nakata) E.Tanaka&C.Tanaka) were collected in the No. 10 rice field of Yandao No. 10, Group 6, Fukang Village, Qinnan Town, Yandu District, Yancheng City, Jiangsu Province (Zhang Juncheng et al., Rice Smut Disease "Chinese Rice Science", 2003, Volume 17 (4): 390-392) and brought it back to the warehouse of Jiangsu Coastal Area Agricultural Science Research Institute (Address: No. 18, Gongnong Road, Tinghu District, Yancheng City) to dry Store dry in a plastic bag.
[0051] 2. Rice cultivation
[0052] The experimental field was implemented in the sixth group of Fukang Village, Qinnan Town, Yandu District, Yancheng City, Jiangsu Province. Yandao No. 10 was sown on May 24, 2015, and it was manually transplanted on June 26, 2015. 2-3 plants were planted with a row spacing of 30cm , plant spacing 10-12cm, routine management of fertilizer and water. On August 13, September 3, and Septe...
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Abstract
The invention belongs to the technical field of plant protection and particularly relates to a simple and efficient field inoculation method for a rice false smut germ. The method comprises the steps: picking rice false smut balls from rice ears in a rice field at a rice ripening period in last year, drying the rice false smut balls in the air indoors, loading the dried rice false smut balls into plastic bags or plastic bottles, and placing the plastic bags or plastic bottles ay an indoor shady place; and at a 3-4 stage of young panicle differentiation of rice, putting the rice false smut balls preserved in last year into clean water, carrying out soaking for 3-5 hours, then, carrying out oscillating so as to enable rice false smut powder on the outside surface of each rice false smut ball to gradually fall off until rice grains are clearly discernible, then, enabling the rice false smut powder to be completely scattered into water, carrying out filtering with gauze so as to filter off grain residues and other foreign bodies, then, pouring filter liquor into a sprayer, adjusting water volume according to a spraying area, directly spraying the filter liquor to fields at 10 am to 5 pm in a sunny day, and swinging the sprayer during spraying so as to achieve uniform spraying as far as possible. By adopting the method disclosed by the invention, the onset ear ratio of field artificial inoculation of rice false smut can reach about 30% and is extremely stable. The method disclosed by the invention is extremely simple and can be used for carrying out field identification on degree of disease resistance to rice false smut of rice varieties without special utensils and conditions.
Description
technical field [0001] The invention belongs to the technical field of plant protection, and in particular relates to a simple and efficient field inoculation method for rice smut fungus. Background technique [0002] Rice false smut is a disease of rice ear grains caused by a fungus (Villosiclavavirens (Nakata) E. Tanaka & C. Tanaka). The mycelial mass formed in the injured panicle swells to form a rice ball several times larger than the grain. Rice balls not only affect the yield of rice and the quality of rice, but also contain rice aspergillus toxins that are highly toxic to humans and livestock, have an inhibitory effect on microtubulin in animals, and can cause kidney, liver and bladder cells in mice necrosis. Rice false smut is a worldwide fungal disease, which occurs on a large scale in many countries and regions such as America, Africa, and Asia. When the disease is serious, the incidence rate can be as high as more than 40%. Due to many changes in rice cultivati...
Claims
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Application Information
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