A kind of agricultural chemicals of control persimmon tree insect pest of being made by plant
Technical field
The present invention relates to a kind of biopesticide, it is one or more the control persimmon tree insect pest agricultural chemicals made as main material take plant corpus capsicum, potato, tomato, tobacco, black nightshade specifically, and the cotton a red-spotted lizard of control persimmon is had remarkable result.
Background technology
Persimmon is one of main fruit tree species of China, in China, long cultivation history is arranged.The persimmon strong adaptability especially is fit to vast mountain area and plants, and the age of tree is long, and fruit yield is high, is deeply liked.But the generation of insect pest in production process is larger on the quality and yield impact of fruit.The cotton a red-spotted lizard of persimmon is exactly a kind of insect pest, and it is widely distributed, spray, spire and the fruit of harm persimmon.Nymph, adult are liked the gap that is clustered in below fruit and engages with the calyx and receptacle of a persimmon most and locate to cause harm.Just be the yellow green point by harm, expand gradually people Cheng Heishan, make fruit shift to an earlier date softening and shedding, reduce yield and quality.For many years, use in a large number synthetic, many organic matters that contain chlorine, phosphorus are although effective kill pests remains in that on fruit, the health to the people has caused great harm.The long-term chemical pesticide that uses has also caused the pesticide resistance of insect, and contains the heavy metal elements such as chlorine, copper, seriously contaminated environment and agricultural product in agricultural chemicals.
Summary of the invention
The object of the present invention is to provide a kind of agricultural chemicals of control persimmon tree insect pest of being made by plant, this agricultural chemicals is biopesticide, low toxicity, use safety, the cotton a red-spotted lizard of control persimmon is had remarkable result, and spray liquid all has no side effect to people, animal and fruit, branch, and raw material sources are extensive, be easy to make, with low cost.
The realization of purpose of the present invention is the habit characteristics for the cotton a red-spotted lizard of persimmon, adopts one or more of plant capsicum, potato, tomato, tobacco, black nightshade, extracts filtrate, plays the effect of kill pests.
The present invention is one or more plant pesticides made by capsicum, potato, tomato, tobacco, black nightshade.
The preparation method:
1, one or more blades of the 1~2kg fresh chilli that will gather, potato, tomato, tobacco, black nightshade are slit into fragment;
2, the clear water that adds 3~5L is heated to 60~100 ℃ in iron pan, add the plant fragment, continues heating, heat while stirring, and infusion 30~60 minutes;
3, after the liquid that will endure is naturally cooling, filter;
4, the packing of bottling of the supernatant liquid after filtering gets final product.
The present invention sprays this stoste thin up in use, dilutes 20~50 times.
Raw material sources of the present invention are extensive, and are with low cost, without chemical agent, and to people, animal, tree body safety, low toxicity, harmless, the effect of kill pests is remarkable.Replace chemical pesticide with plant pesticide, the wide market prospects of tool.
Embodiment
Embodiment 1
The preparation method:
1, get fresh chilli blade 150g, tomato leaf 200g, tobacco leaf 200g, be slit into fragment;
2, the clear water that adds 3L is heated to 80 ℃ in iron pan, add the plant fragment, continues heating, heat while stirring, and infusion 30 minutes;
3, after the liquid that will endure is naturally cooling, filter;
4, the packing of bottling of the supernatant liquid after filtering.
The experiment of the cotton a red-spotted lizard of embodiment 2 pesticide control persimmon of the present invention
The agricultural chemicals stoste that embodiment 1 obtains is carried out concentration dilution, compare processing with clear water, each is processed 3 times and repeats, and processes the cotton a red-spotted lizard of 20 persimmons at every turn.Concrete grammar is: will put the cotton a red-spotted lizard of persimmon in each culture dish well, to its medicine or clear water that sprays concentration for the treatment of, then place under room temperature and cultivate, after 12h, check the cotton a red-spotted lizard death condition of persimmon (touch gently the cotton a red-spotted lizard of persimmon with dissecting needle, the motionless person of health is dead) under the binocular anatomical lens.As can be seen from Table 1,20 times of insecticidal effect the bests of stoste dilution.
The control efficiency of the different stoste diluted concentration of table 1 to the cotton a red-spotted lizard of persimmon