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Nematode-killing pesticide composition containing lantana allyl methyl element and amino oligosaccharins

A technology of lantana and pesticide composition, which is applied in the field of pesticides, can solve the problems such as difficulty in nematode control, achieve the effects of reducing disease index, improving soil quality, and promoting crop growth

Active Publication Date: 2015-01-14
佛山市盈辉作物科学有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the physiological characteristics of nematodes and their environment, the control of nematodes is very difficult

Method used

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  • Nematode-killing pesticide composition containing lantana allyl methyl element and amino oligosaccharins
  • Nematode-killing pesticide composition containing lantana allyl methyl element and amino oligosaccharins
  • Nematode-killing pesticide composition containing lantana allyl methyl element and amino oligosaccharins

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Embodiment 1: the preparation of lantanaline A

[0016] Take the whole herb of the five-color plum plant, dry it, crush it, sieve it, weigh a certain amount of medicinal powder, add 2 times the volume of methanol, soak and extract at room temperature for 24 hours. Shake it from time to time during soaking, and filter to obtain methanol extract and dregs. The dregs were extracted once more. The methanol extracts were combined, decolorized with activated carbon, and the filtrate was decolorized at 50 o Concentrate under reduced pressure below C to recover methanol to obtain a crude extract, suspend the crude extract in water, extract twice with an equal volume of chloroform, combine the chloroform extracts, and store at 50 o After concentration and recovery of chloroform under reduced pressure below C, the chloroform extract was obtained, and the chloroform extract was dissolved by adding an appropriate amount of methanol and slightly heated, and then dissolved at -18 ...

Embodiment 2

[0018] Example 2: Evaluation of the Nematicidal Activity of Lantana and Oligoaminosaccharins

[0019] 2.1 Reagents to be tested

[0020] L reagent: take appropriate amount of lantanaline A prepared in Example 1 at 50 o C was vacuum-dried, and prepared into 1000mg / L, 500mg / L, and 250mg / L solutions with methanol for subsequent use.

[0021] Reagent G: Take an appropriate amount of commercially available amino oligosaccharin at 50 o C is vacuum-dried, and is prepared into 1000mg / L, 500mg / L, and 250mg / L solutions with distilled water for subsequent use.

[0022] 2.2 Nematodes tested

[0023] Meloidogyne incognita Meloidogyne incognita . Pick oocysts from the roots of tomato plants infected with Meloidogyne incognita, disinfect the oocysts with 0.2% sodium hypochlorite solution for 0.5 min, and rinse them with sterile water. The oocysts were placed in sterile water and hatched in an incubator at 25°C. The 2nd instar larvae in the petri dish were collected every 24 hours and...

Embodiment 3

[0032] Example 3: A granule containing lantana and oligosaccharin nematocidal pesticide composition

[0033] 3.1 Formula composition: lantana 0.5%, amino oligosaccharin 0.5%, five-color plum plant dregs 64%, clay 35%.

[0034] In the composition of this formula, lantana is prepared according to the method of Example 1, and the amino oligosaccharin is purchased from the market, and the medicinal residue of the five-colored plum plant is obtained from the medicinal residue after methanol soaking and extraction in Example 1, and the clay is purchased from the market.

[0035] 3.2 Process: first dissolve lantana in ethanol and oligosaccharin in water, then put the dried, crushed and sieved five-color plum medicinal residue and clay in a closed drum, and mix well Finally, the rolling carrier is sprayed to make the carrier particles absorb the original drug, and the water and ethanol volatilize to form a granule product, which is hereinafter referred to as LG granule.

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Abstract

The invention provides a pesticide composition capable of preventing and treating root knot nematode diseases. The active ingredients of the pesticide composition are lantana allyl methyl element and amino oligosaccharins. The pesticide composition can be prepared into water aqua, missible oil, powder, granula and tablets for preventing and treating root knot nematode diseases. The practical application result shows that the granula prepared from the pesticide composition has remarkable prevention and control effect on root knot nematode diseases, is safe to crops, and is capable of improving the soil quality and promoting the root growth of crops.

Description

technical field [0001] The invention relates to a nematicide pesticide composition containing lantana and amino oligosaccharin, and belongs to the technical field of pesticides. Background technique [0002] In the past 10 years, with the adjustment of the agricultural planting structure, protected cultivation has developed rapidly in my country. At present, the area of ​​protected vegetables in my country has exceeded 3 million square hectares. The development of protected areas also provides a suitable environment for the occurrence and development of root-knot nematodes. Usually, after 3 to 5 years of planting, the yield and quality of crops are seriously affected, with a general reduction of 20% to 40% and a severe reduction of 60%. The above, or even no income. With the continuous development of protected areas and the continuous cultivation of high value-added crops, the problem of root-knot nematodes will become more and more prominent, and will become an important f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/16A01P5/00C07J63/00A01N37/42
Inventor 叶宇平
Owner 佛山市盈辉作物科学有限公司
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