CN103004891B - Application of alien invasive plant Ageratum conyzoides L. in control of golden apple snail - Google Patents
Application of alien invasive plant Ageratum conyzoides L. in control of golden apple snail Download PDFInfo
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- CN103004891B CN103004891B CN201210526891.5A CN201210526891A CN103004891B CN 103004891 B CN103004891 B CN 103004891B CN 201210526891 A CN201210526891 A CN 201210526891A CN 103004891 B CN103004891 B CN 103004891B
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Abstract
The invention belongs to the environment-friendly technical field of snail-killing plant resource utilization, in particular relates to a method of utilizing an alien invasive plant Ageratum conyzoides L. to control a harmful mollusc golden apple snail which invades South China. The method comprises the step of adding dried powders of the alien invasive plant Ageratum conyzoides L. to directly control the golden apple snail, and is characterized in that 1) the utilized plant is Ageratum conyzoides L. (asteraceae); and 2) the dosage of the dried powders of Ageratum conyzoides L. is 10 g/L. The method has the advantages that the plant material which is Ageratum conyzoides L. is a common alien invasive plant in South China, so that the plant is easily obtained, and under a certain dosage, the golden apple snail can be effectively controlled.
Description
Technical field
The invention belongs to the environmentally friendly technical field of killing spiral shell plant resources utilization, be specifically related to the method for Alien Invasive Plants Ageratum conyzoides in the application killed in Pomacea canaliculata and this application.
Background technology
Pomacea canaliculata is that the danger received much attention in the world is in recent years harmful to biological invasion, and its strong stress resistance, feeding habits are assorted, heavy, the growth rate having surprising fertility He be exceedingly fast, and endangers serious to south China eating rice production and rice field bio-diversity.At present, the medicament that China's control Pomacea canaliculata uses is chemical agent substantially, except easy contaminated environment, also there is the problem that price is high, large to nontarget organism toxicity.The development and utilization of killing spiral shell plant resources is one of biology important channel of killing spiral shell.Utilize botanical pesticide to prevent and treat Pomacea canaliculata and there is the features such as easy to use, with low cost, environmental pollution effect is relatively little.Up to now, nearly 1500 Plants are used to ovicidal trait test, but this is numerous floristic sub-fraction on the earth, and the research space that plant kills spiral shell is also very large.Ageratum conyzoides
ageratum conyzoides L.be the malignant weed of invading South China of China in recent years, have and breed rate of propagation faster, cause serious economic loss with having given invasion, also threatened the bio-diversity of South China simultaneously.Therefore, utilize this pernicious instruction plant of Ageratum conyzoides to kill Pomacea canaliculata, not only effectively can prevent and treat Pomacea canaliculata, spreading of instruction plant can also be controlled to a certain extent, and then play effect of " double gain ", " combatting poison with poison ", " turning harm into good ".
Summary of the invention
The object of the invention is to provide a kind of Alien Invasive Plants Ageratum conyzoides killing the application in Pomacea canaliculata, and utilize this Alien Invasive Plants Ageratum conyzoides to kill the method for rice field Pomacea canaliculata application, suppress the diffusion of instruction plant to spread to a certain extent, i.e. " double gain " simultaneously.The method, by adding the dried powder of instruction plant Ageratum conyzoides in paddyfield water, directly kills Pomacea canaliculata.
In order to reach above object, the present invention by the following technical solutions:
Alien Invasive Plants Ageratum conyzoides is killing the application in Pomacea canaliculata, it is characterized in that killing Pomacea canaliculata with Ageratum conyzoides.
The present invention provides a kind of described Ageratum conyzoides killing the method applied in Pomacea canaliculata in addition, it is characterized in that directly adding in the more static water body (water temperature 25 ~ 30 DEG C) containing Pomacea canaliculata by disposable for Ageratum conyzoides powder day or night, wherein Ageratum conyzoides powder is being 2 ~ 20g/L containing the consumption in the water body of Pomacea canaliculata, and the distribution density being applicable to Pomacea canaliculata is no more than 80/m
2the rice field of left and right.If consumption is too small, then a meeting partial injury Pomacea canaliculata, the experiment proved that the lower limit of this consumption is 2g/L, after adding, a powder part floats on the water surface, and a part of sedimentation is water-bed, all can play toxic action to Pomacea canaliculata.
The consumption of described Ageratum conyzoides powder is 2 ~ 20g/L.
The consumption of described Ageratum conyzoides powder is preferably 5 ~ 15g/L.
The consumption of described Ageratum conyzoides powder is more preferably 10g/L.
The preparation method of described Ageratum conyzoides powder is: by air-dry for Ageratum conyzoides plant, shred post-drying, pulverizing, cross 40 ~ 60 orders (particle diameter 0.425mm ~ 0.250mm).
The preparation method of described Ageratum conyzoides powder, after being preferably the oven dry of Ageratum conyzoides plant, pulverizing, crosses 40 mesh sieves.
The preparation method of described Ageratum conyzoides powder, is preferably the whole plant of Ageratum conyzoides.Such Ageratum conyzoides powder that can make comprises composition as much as possible, ensures killing effect.
The present invention has following beneficial effect:
(1) vegetable material Ageratum conyzoides is the common instruction plant of South China, obtains easily;
(2) processing method is easy and simple to handle, without the need to the program of complexity, is convenient to peasant and operates in field, cost-saving, reduces and pollutes;
(3) be conducive to controlling invasion animal Pomacea canaliculata, and be that the recycling being harmful to instruction plant opens new approach, research that is ecological for invasion and biotic intrusion control technology has great reference value.
Accompanying drawing explanation
The relation of Fig. 1 Ageratum conyzoides dosage and adult Pomacea canaliculata lethality
Embodiment
Embodiment 1
This research and utilization instruction plant Ageratum conyzoides kills rice field Pomacea canaliculata, and concrete steps comprise:
1. gather instruction plant Ageratum conyzoides, by vegetable material wash clean, dry in the shade in ventilation;
2. the vegetable material after shredding dries 24 h in the constant temperature blast drying oven of 60 DEG C, is pulverized by vegetative sample cracker, crosses 40 mesh sieves, is loaded in plastic sack by dry powder sample and seals, be placed in drier and save backup.
3., when using, Ageratum conyzoides dry powder 10 g/L is added in water body and after 3 days, kills Pomacea canaliculata completely.
Method provided by the present invention effectively can kill Pomacea canaliculata, verifies through toxicity test.Pomacea canaliculata is put into, clear water 1.0 L(water temperature 25 ~ 30 DEG C in plastic basin), after adding Ageratum conyzoides dry powder 5 g, 10 g, Pomacea canaliculata lethality reaches 83% and 100% respectively, and control group does not add Ageratum conyzoides powder, does not find that Pomacea canaliculata is dead.Low concentration adds Ageratum conyzoides dry powder 2g, and also cause the Pomacea canaliculata of 61% dead after 5 days, its lethality is as shown in table 1.
The Ageratum conyzoides powder of the different addition of table 1 is to the killing effect of Pomacea canaliculata
Embodiment 2
Collect Ageratum conyzoides, by Ageratum conyzoides wash clean, dry in the shade in ventilation, shred;
Ageratum conyzoides after shredding dries 24 h in the constant temperature blast drying oven of 60 DEG C, is pulverized by vegetative sample cracker, crosses 40 mesh sieves, is loaded in plastic sack by gained Ageratum conyzoides dry powder and seals, be placed in drier and save backup.
Pomacea canaliculata of growing up is large to paddy rice food ingestion, and harm is the most serious, and Ontogenetic pattern is strong, therefore tests described Ageratum conyzoides dry powder in this example to the toxicity of adult Pomacea canaliculata.80/m is put in basin
2adult Pomacea canaliculata (spiral shell weighs more than 6.5 grams /), clear water 1 L(water temperature 25 ~ 30 DEG C), process dosage is respectively 2 g, 5g, 10g, 15g, 20g.Observe at different time and find, after adding Ageratum conyzoides dry powder 2 g/L, Pomacea canaliculata lethality of growing up afterwards for 5 days reaches 60%, adds Ageratum conyzoides dry powder 10 g/L, and Pomacea canaliculata of growing up afterwards for 3 days is all dead.Meanwhile, when the 2nd day, Pomacea canaliculata lethality of growing up raises (Fig. 1) gradually along with the increase of Ageratum conyzoides powder dosage, and therefore Ageratum conyzoides has good killing effect to adult Pomacea canaliculata.
Claims (3)
1. an Alien Invasive Plants Ageratum conyzoides is killing the application in Pomacea canaliculata, it is characterized in that, Pomacea canaliculata is killed with Ageratum conyzoides powder, the preparation method of described Ageratum conyzoides powder is: by air-dry for Ageratum conyzoides plant, shred post-drying, pulverizing, cross 40 ~ 60 mesh sieves, the consumption of described Ageratum conyzoides powder is 5 ~ 15g/L.
2. apply as claimed in claim 1, it is characterized in that, after the oven dry of Ageratum conyzoides plant, pulverizing, cross 40 mesh sieves.
3. apply as claimed in claim 1, it is characterized in that, Ageratum conyzoides plant is Ageratum conyzoides complete stool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210526891.5A CN103004891B (en) | 2012-12-10 | 2012-12-10 | Application of alien invasive plant Ageratum conyzoides L. in control of golden apple snail |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210526891.5A CN103004891B (en) | 2012-12-10 | 2012-12-10 | Application of alien invasive plant Ageratum conyzoides L. in control of golden apple snail |
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| CN103004891A CN103004891A (en) | 2013-04-03 |
| CN103004891B true CN103004891B (en) | 2015-05-20 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105028490B (en) * | 2015-07-20 | 2019-06-25 | 闽南师范大学 | A method of utilizing the leaf of lantana or the flower poisoning adult Pomacea canaliculata of the leaf of Allemanda cathartica L or Allemanda cathartica L |
| CN104938524A (en) * | 2015-07-20 | 2015-09-30 | 闽南师范大学 | Method for killing adult apple snails through oxalis rubra fresh leaf water extract or dried leaf water extract |
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Non-Patent Citations (3)
| Title |
|---|
| 16种植物提取物对福寿螺杀螺效果的研究;闫小红等;《广东农业科学》;20111231(第4期);第81-84页 * |
| 四种与福寿螺(Ampullaria gigas)同源地入侵植物的杀螺效果;曾坤玉等;《生态学报》;20080131;第28卷(第1期);第260-266页 * |
| 稻鸭共作系统中稻飞虱及主要捕食性天敌类群之间的关系;秦钟等;《中国水稻科学》;20120731;第26卷(第4期);第457-466页 * |
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