First, the significance and purpose of fruit bagging cultivation In recent years, pollution-free vegetable production has been highly valued by the community, people use low toxicity, short residue period and biological pesticides, in order to achieve the purpose of pollution-free vegetable production. For the one-time harvested vegetables such as Chinese cabbage, spinach and rapeseed, etc., in the early stage of harvest, depending on the residual period of the pesticide, stopping the use of pesticides at a certain interval before harvest can serve the purpose of producing no-harmful vegetables. However, it is difficult for fruit vegetables such as tomatoes, eggplants, and cucumbers to be harvested for a certain period of time to stop the use of pesticides before harvesting. For example, serious pests and diseases of vegetables, and frequent spraying, especially during the harvest period. Pests and diseases, the fruits after harvesting are likely to be listed on the remaining period of pesticides, and the public’s physical and mental health will be adversely affected. This is a problem that needs to be solved during the production of pollution-free vegetables. Using the method of fruit bagging cultivation, the occurrence of pollution-free vegetables has become more complete, adding a new way. Second, the fruit bagging method of cultivation of tomatoes in the fruit after the growth and establishment of flowers through the thinning of fruit to determine the fruits left after the bagging, the size of the bag is 220 mm long, 165 mm wide, 0.08 mm thick, five colors transparent polyethylene Film bags (can also be multi-fruit bagging, multi-fruit bagging defects are susceptible to diseases and pests between the fruit), the film bag is placed on the fruit, and then the film bag mouth tied in the shank with a string, but can not Too tight to prevent affecting the lateral growth of the stem, while maintaining a certain degree of ventilation or use a rubber band to trap the bag mouth, the rubber band has a certain degree of tightness can expand with the growth of the handle, the fruit will be bagged after To meet the listing standards, the fruits are listed along with the bags; the method of eggplant bagging is to select the disease-free fruit after the eggplant is set to cover the fruit. The size of the bag is 220 mm in length, 200 mm in width, and 0.008 mm in thickness. The biodegradable transparent film bag, after the fruit bag is covered with a film bag, is tied with a string in the shank portion, and has a certain degree of looseness so as not to affect the lateral growth of the fruit shank, and has certain air permeability or rubber band Mouth, wait until the fruit grows After picking criteria listed along with bags of fruit. Third, fruit bagging cultivation effects and advantages After fruit bagging cultivation, fruit bagging can promote fruit growth, and make the fruit color fresh, tomato bagging time is August 15, 2001 - September 12, 2001, A total of 28 days, after fruit bagging, the average horizontal increase of fruit before the bagging was 14.0 mm, the average vertical growth was 12.8 mm, and the horizontal and vertical value was 26.8 mm; the control (who was not bagged), the average horizontal fruit growth was 13.2 mm. The average increase of 10.8 mm; horizontal and vertical combined value of 24.6 mm, treatment than control, horizontal and vertical values ​​increased by 2.8 mm, red time treatment than the control in advance of 5-7 days (horizontal refers to the horizontal widest distance, Vertically refers to the longest vertical distance of the fruit, horizontal and vertical values ​​are the sum of the horizontal and vertical numbers); eggplant bagging time is September 20, 2001 - October 5, a total of 20 days, single fruit bagging Later than the bagging, the horizontal average growth of 27.9 mm, the average vertical growth of 44.4 mm, horizontal and vertical value of 72.3 mm, the control (not bagging) horizontal average growth of 29.1 mm, the vertical average increase of 42.0 mm, vertical and horizontal value of 71.1 Millimeters, handling more than 1.2 mm horizontal and vertical value; explain the fruit after bagging Affect its growth, and can play a catalytic role. Fruit bagging cultivation has the following advantages. 1 It can prevent concentrated pesticides from being directly sprayed on the fruit and is not listed on the residual period after being absorbed by the fruit epidermis. 2 It can promote the early redness of tomato fruit and avoid the chemical pollution caused by red chemical fruit. 3 After the fruit is harvested, a small bag with a film bag is directly marketed to increase the economic income. 4 film bags do not affect fruit growth and development, and play a role in promoting growth. 5 In the case of the application of pollution-free pesticide production, the fruit bagging cultivation of fruit and vegetables harvested many times will make the pollution-free vegetables produced more safe, reliable and high quality. 6 film bags can use ultra-thin polyethylene film bags, can also use ultra-thin biodegradable film bags, the latter is better, no pollution to the environment, with application prospects.
Black Light
Black Light lamps called BL light in short.
A black light is an Ultraviolet Lamp. It is called a 'black' light because the ultraviolet light is outside of the visible spectrum. When you shine a black light on some objects, they glow very brightly because they are fluorescent or phosphorescent.
The Black Light UV Lamps effciently emit ultraviolet rays at 315nm-400n,the peak 352nm.
Application:used for trapping insects,luring lamps.
We haveT5, T8,T9,T10,T12 ,and can do4w/6w/8w 10w/15w/30w/36w
And PL blacklight lamp , 10w/13w/18w/26w/,also 2U/3U /spiral blacklight lamp.
Black Light
Black Light, UV Black Light Lamps, Portable Black Lights, Black Light Tubes
Ningbo Sunfine UV lighting Co.,ltd. , http://www.uvlightings.com