Tea weaving leaf moth
One of the tea branch borer pests, also known as tea sickle moth, tea stem moth, belongs to the family Lepidoptera, CasmarapatranaMeyrick.
It is distributed in all tea-producing provinces in China.
Morphology: adult body wing tea brown, body length 15~20mm, wingspan 32~40mm. The front wing is nearly rectangular, the outer edge is grayish black, there are large khaki spots on the inside, and there is a small red protuberance in the center of the wing base. Egg horse tooth shape, about 1mm, light beige. The larvae are slender, the abdomen is yellow-white and slightly purple, the two dorsal plates of the abdomen are ossified, the pupa is long 18~20mm, yellowish brown, and there are brown ridges on the anterior and posterior edges of the 4th to 7th abdominal segments.
Life habits: there is one generation a year in Hunan, Jiangxi, Anhui, Zhejiang, Fujian, Guangdong and other provinces, with mature larvae overwintering in the damaged branches. The pupation began in the first and middle of April, and the adults began to appear in late April. Inactive during the day, usually the middle foot clings to the branches and leaves and hangs on the tea bushes. The larvae began to hatch in the first and middle of June. When the larva matures, it bites a round Eclosion hole in the upper part of the branch and is closed by white filament. the cavities below the hole are covered with flocs and pupate.
Control: cut off the branches of insect pests from June to August, combined with the control of other insect pests.
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Introduction of some improved varieties of Big Buddha Longjing Tea
With the development of famous and high-quality tea production, the function and benefit of improved varieties of clones have become increasingly prominent, and have been rapidly popularized and welcomed by tea farmers. In order to enable the majority of tea farmers to reasonably select improved tea seedlings and identify fake and inferior tea seedlings in the development of new tea gardens, some of the improved varieties suitable for the production of Buddha Longjing tea are briefly introduced. The main results are as follows: (1) Yingshuang is a national improved variety, which is a small tree type and middle leaf clone selected and bred by Hangzhou Tea Institute. The main characteristics are that the mining period of early famous tea is about March 20, and the germination density is medium and white.
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tea branch vesicle
One of the tea branch dry boring pests, belonging to the Coleoptera family, scientific name for Xyleborus fornieatus Eie. Distribution and harm: Hainan Island in China to occur more, is a threat to tropical tea area of a larger pest, borer tea, rubber, coffee and other branches. Description: Adults are small beetles, 2.4mm long, cylindrical. The pronotum is especially developed, the back is raised, the front wing surface has several lines of dense punctures, the wing end is inclined downward, oval, and beige. young
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