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What are the control methods for tobacco mosaic virus disease?
How to control tobacco mosaic virus disease? Tobacco mosaic virus disease occurs commonly in all tobacco-growing areas of our province and is one of the three major tobacco diseases. When it occurs in seedlings or in the early field stage, it can reduce yield by 30%, and economic losses can reach 50%-70%; when it occurs after topping, it has little effect on yield but a relatively large effect on quality. The disease is caused by multiple viruses...
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Control Methods and Technical Key Points for Tobacco Black Shank
How to control tobacco black shank? Methods sought. The control strategy for tobacco black shank should be based on the use of resistant varieties, centered on strengthening cultivation management, and supplemented by chemical control. 1. Use resistant varieties. Among the varieties currently promoted, the more resistant ones include Zhongyan 90, Xujin No. 1, K346, K394, NC82, NC89, G...
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What are the tobacco plastic film mulching planting methods?
Tobacco plastic film mulching planting method: For land preparation and ridging, the row spacing must be uniform, the ridge surface level, the soil fine and crumbly, with no residual stubble. Row spacing 100 cm, plant spacing 50 cm, with 20000 plants per hectare. Timely early transplanting: film-mulched tobacco should be transplanted early at the right time to effectively use accumulated temperature, generally from May 1 to 10...
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How to Effectively Prevent and Control Tobacco Viral Disease? Methods and Techniques Explained
How to prevent and control tobacco viral disease? Viral disease is the most serious disease of tobacco in China, and it tends to become increasingly severe. Based on the current characteristic that tobacco viral disease is mainly aphid-borne viral disease, and in view of the current situation that there is still no effective control agent for tobacco viral disease, we used non-woven fabric to cover tobacco to prevent...
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What are the control methods for tobacco brown spot disease?
How to control tobacco brown spot disease? Tobacco brown spot disease is a serious disease that occurs widely in tobacco-growing regions around the world. It is estimated that the area affected by brown spot disease each year accounts for about 30-35% of China's tobacco planting area. Brown spot disease not only makes tobacco leaves incomplete, but during the curing process the lesions continue to expand, causing uneven color and...
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What are the control methods for cherry blossom brown spot disease?
How do you control cherry blossom brown spot disease? Please give a detailed introduction. Cherry blossom brown spot disease, also known as cherry blossom brown spot shot hole disease, is an important disease of cherry blossom leaves. It was reported long ago in Japan and other countries. It occurs commonly on cherry blossoms in all regions of China, including Nanjing, Taiyuan, Tianjin, Shanghai, Chengdu, Xi'an, Suzhou, Jinan, Changsha, Lianyungang...
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How to prevent and control cherry blossom pests and diseases? Introduction to practical methods
How to prevent and control cherry blossom pests and diseases? Please provide guidance on methods. The following prevention and control methods for cherry blossom pests and diseases are for reference: 1. Cherry blossom pests and diseases include mulberry white scale (Pseudaulacaspis pentagona), various kinds of stinging caterpillars, and apple prominent moth (Phalera flavescens), etc. Mulberry white scale is mainly distributed in cherry blossom cultivation areas, occurs commonly, and is quite severe in individual fields. The damage has already caused the leaves to basically fall off, and the pest population...
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How to grow a money tree? Learn the correct care methods
How to grow a money tree? Please allow me to introduce it. Malabar chestnut, also known as Gua Li or money tree, is an evergreen small tree in the Bombacaceae family. It is native to Mexico and Costa Rica. It has palmate leaves with 7-11 leaflets that are oblong to obovate. There is a horticultural variety, the variegated money tree. Because the name "money tree" is very popular among merchants and ordinary citizens,...
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What are the common pests and diseases of the money tree? Detailed control methods
What pests and diseases should be controlled when growing a money tree? Please give an introduction to the control methods. The following introduces the control methods for two common diseases of the money tree for reference: 1. Root (stem) rot This is a common disease that seriously harms the money tree, also known as rot disease. Control methods: (1) Keep the growing environment dry and pay attention to the disinfection of the growing medium and site...
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Orchid Growing Methods and Precautions Explained in Detail
Orchid growing methods? Here is an introduction. Orchid growing methods can refer to the following key points: Light. Orchids are semi-shade plants; they love sunlight but must absolutely avoid scorching sun. Semi-shade is most suitable, that is, a shading rate of 50% to 70% is required. Generally, a higher shading rate is required in summer, while in winter and spring the amount of light should be appropriately increased...
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