Since May, many farmers have reported the problem of black powder appearing in wheat this year. After investigation, this is the wheat smut, the incidence range throughout the province's major wheat producing areas, involving multiple varieties. The ear disease rate in the field is generally between 1% and 2%, and severely up to 3% to 5%. Peasant friends have many questions and confusions about this disease. To this end, the basic knowledge of wheat smut is introduced.
First, the main symptoms mainly in the incidence of the ear. The initial disease spiked with a gray film on the outside of the spikelet, matured and ruptured, and the black powder (the chlamydospore of the pathogen) was scattered. After the black powder was blown away, only the bare cob was left.
Second, the popular characteristics of scattered smut is a fungal disease, the optimum temperature of the spore germination is 20 °C ~ 25 °C, wheat flowering air humidity, even the rainy days conducive to the disease.
Third, after the onset of treatment
1. The disease is only infested once a year, Jian Jian will not recur in the same year, and it will not affect the growth and development of Jian Pan.
2. The disease is different from wheat smut, and it does not affect the grain quality of Jianjian after the onset of disease. Food consumption is not affected.
3. The disease will not contaminate the soil and cause the onset of the disease to recur next year.
4. It is only the ear of wheat that causes the loss of yield. Since the self-regulatory ability of the wheat population is strong, it generally does not cause much impact on the yield.
5. At present, wheat fields that have already been affected have no effect on spraying. It is recommended that they be removed immediately. With the plastic bags, the sick ears should be brought out of the field and burned or buried deeply.
IV. Preventive measures Wheat scattered smut is not a quarantine disease in our province. Disease levels vary in different years. Due to the fact that the climate is suitable for the disease in recent years, the incidence rate is on the rise. For this reason, the following preventive measures are recommended:
1. Purchase wheat seeds that have undergone strict quarantine by the Plant Protection Department.
2. The disease is spread by seeds, so the seeds should be eliminated. In accordance with the requirements of controlling wheat smut, seeds are coated or used with pesticides. For example, 3% addictive Dan is used for coating, and uncoated seeds are used to prevent ometaxyl as a wheat seed dressing agent. Alcohol seed dressing.
First, the main symptoms mainly in the incidence of the ear. The initial disease spiked with a gray film on the outside of the spikelet, matured and ruptured, and the black powder (the chlamydospore of the pathogen) was scattered. After the black powder was blown away, only the bare cob was left.
Second, the popular characteristics of scattered smut is a fungal disease, the optimum temperature of the spore germination is 20 °C ~ 25 °C, wheat flowering air humidity, even the rainy days conducive to the disease.
Third, after the onset of treatment
1. The disease is only infested once a year, Jian Jian will not recur in the same year, and it will not affect the growth and development of Jian Pan.
2. The disease is different from wheat smut, and it does not affect the grain quality of Jianjian after the onset of disease. Food consumption is not affected.
3. The disease will not contaminate the soil and cause the onset of the disease to recur next year.
4. It is only the ear of wheat that causes the loss of yield. Since the self-regulatory ability of the wheat population is strong, it generally does not cause much impact on the yield.
5. At present, wheat fields that have already been affected have no effect on spraying. It is recommended that they be removed immediately. With the plastic bags, the sick ears should be brought out of the field and burned or buried deeply.
IV. Preventive measures Wheat scattered smut is not a quarantine disease in our province. Disease levels vary in different years. Due to the fact that the climate is suitable for the disease in recent years, the incidence rate is on the rise. For this reason, the following preventive measures are recommended:
1. Purchase wheat seeds that have undergone strict quarantine by the Plant Protection Department.
2. The disease is spread by seeds, so the seeds should be eliminated. In accordance with the requirements of controlling wheat smut, seeds are coated or used with pesticides. For example, 3% addictive Dan is used for coating, and uncoated seeds are used to prevent ometaxyl as a wheat seed dressing agent. Alcohol seed dressing.
SYNTHETIC PROTECTIVE GLOVES
SYNTHETIC PROTECTIVE GLOVES
Guangzhou Aikangli Medical Technology Co., Ltd. , https://www.aikanli.com