Post by account_disabled on Jan 1, 2024 7:15:09 GMT
A new type of leaf defoliation outbreak was found in the area of Narathiwat Province. After experiencing an outbreak It is widespread in Indonesia and Malaysia. The Rubber Authority of Thailand (RAOT) rushed to the area to inspect to find an urgent solution. Mr. Kritsada Sangsingh, Director of the Rubber Research Institute The Rubber Authority of Thailand revealed that RAOT received notification from rubber farmers through RAOT in Narathiwat Province that it was found that a large number of rubber trees had fallen leaves, almost all of them. It was found in various places in the area of 3 districts, namely Rangae District, Waeng District, and Rueso District. He and a group of plant disease academics So I went down to check last September. Found that from looking at the symptoms that appear on the leaves And leaf loss has the same characteristics as reported in IRRDB member countries (Indonesia, Malaysia and Sri Lanka), where experts conclude that the cause is the fungus Pestalotiopsis sp. Mr. Kritsada continued that It is possible that this fungus has spread to infest rubber growing areas along the border with Malaysia.
Because the environment is similar. Hot, humid, and lots of rain. Symptoms Job Function Email Database were found on old rubber leaves. When symptoms begin to appear, bruises appear. They are clearly visible on the back of the leaves. After that, symptoms will appear as round yellowish circles (chlorosis). Later, the yellowish tissue will dry out (necrosis) and form a round, pale rust-colored wound. It is found that there are more than 1 wound on the rubber leaf. After that, the leaves will turn yellow and eventually fall off. Symptoms are severe and leaves fall after heavy rain for at least 2 consecutive days. Large, old rubber trees are more severely affected than young, small trees. Leaf loss caused by this fungus affects growth and latex production. Because more than 90 percent of the leaves have fallen, this causes the yield to decrease by 30-50 percent and is found in all rubber varieties grown in that area, including RRIM 600, RRIT 251, and PB 311. “This fungus has many different host plants. Spread by wind and rain Therefore, it is quite difficult to prevent and control. However, as a guideline for preventing and eliminating the spread of this disease, RAOT currently has a project to urgently survey and monitor the situation of the outbreak of this disease in the lower southern region. Ready to collect leaf samples to diagnose the exact cause of the infection. Test the effectiveness of chemicals such as hexaconazole, benomyl and thiophanate methyl, which are groups that are effective in eliminating fungi.
If it is necessary to use chemicals for disposal Including academic cooperation with IRRDB member countries that have experienced outbreaks of this disease. For applying effective prevention and eradication methods in Thailand, RAOT would like to reiterate that it will take full action and give importance to prevention. Eliminate this disease and control it so that it does not spread further,” Mr. Kritsada said. Tags About preecha binmanoch Templatesyard is a blogger resources site is a provider of high quality blogger template with premium looking layout and robust design. The main mission of templatesyard is to provide the best quality blogger templates which are professionally designed and perfectlly seo optimized to deliver best result for your blog. Newer Article 'Cassava Farmers' Complain!! Heavy Loss If 3 Toxic Substances Are Banned Older Article Agriculture Conducts 3 Practices To Eradicate Cassava Leaf Spot Disease RELATED POSTView More AGRICULTURE, FISHING, LIVESTOCK SWED develops highland area developers Supporting government organizations to learn the NPS curriculum.
Because the environment is similar. Hot, humid, and lots of rain. Symptoms Job Function Email Database were found on old rubber leaves. When symptoms begin to appear, bruises appear. They are clearly visible on the back of the leaves. After that, symptoms will appear as round yellowish circles (chlorosis). Later, the yellowish tissue will dry out (necrosis) and form a round, pale rust-colored wound. It is found that there are more than 1 wound on the rubber leaf. After that, the leaves will turn yellow and eventually fall off. Symptoms are severe and leaves fall after heavy rain for at least 2 consecutive days. Large, old rubber trees are more severely affected than young, small trees. Leaf loss caused by this fungus affects growth and latex production. Because more than 90 percent of the leaves have fallen, this causes the yield to decrease by 30-50 percent and is found in all rubber varieties grown in that area, including RRIM 600, RRIT 251, and PB 311. “This fungus has many different host plants. Spread by wind and rain Therefore, it is quite difficult to prevent and control. However, as a guideline for preventing and eliminating the spread of this disease, RAOT currently has a project to urgently survey and monitor the situation of the outbreak of this disease in the lower southern region. Ready to collect leaf samples to diagnose the exact cause of the infection. Test the effectiveness of chemicals such as hexaconazole, benomyl and thiophanate methyl, which are groups that are effective in eliminating fungi.
If it is necessary to use chemicals for disposal Including academic cooperation with IRRDB member countries that have experienced outbreaks of this disease. For applying effective prevention and eradication methods in Thailand, RAOT would like to reiterate that it will take full action and give importance to prevention. Eliminate this disease and control it so that it does not spread further,” Mr. Kritsada said. Tags About preecha binmanoch Templatesyard is a blogger resources site is a provider of high quality blogger template with premium looking layout and robust design. The main mission of templatesyard is to provide the best quality blogger templates which are professionally designed and perfectlly seo optimized to deliver best result for your blog. Newer Article 'Cassava Farmers' Complain!! Heavy Loss If 3 Toxic Substances Are Banned Older Article Agriculture Conducts 3 Practices To Eradicate Cassava Leaf Spot Disease RELATED POSTView More AGRICULTURE, FISHING, LIVESTOCK SWED develops highland area developers Supporting government organizations to learn the NPS curriculum.