Tuesday, January 29, 2013

Scopoletin as a botanical acaricide developed

From 17-18 Nov., 2012, Botanical Pesticide Industrial Technology Alliance 2012 was held in Southwest University. At the meeting, the Plant Protection College of Southwest University reported the innovation and industrialization of botanical acaricide. A newly developed variety extracted from Artemisia annua L. and turmeric (two herbs) was presented–scopoletin. This product's common name is a result of the national standardization of pesticides in 2012, according to CCM’s “Insecticides China News” issued in January 2013.

According to the Institute for the Control of Agrochemicals, Ministry of Agriculture (ICAMA), no scopoletin products have obtained the registration in China as of 8 Jan., 2013.

For a long time, the control of phytophagous mites mainly depended on chemical acaricides, so the resistance of mites has become more and more serious. At the same time, overuse of chemical pesticides has destroyed the ecological environment.

Chemical acaricides are harmful to the environment and have a negative impact on important natural enemies. They take a long time to decompose as they are complex synthetic compounds that don't exist in nature. Therefore, extracts from living creatures have great advantages over synthesized chemicals in relation to the environment.

The Plant Protection College of Southwest University discovered that mite feeding is selective, and many plants contain a natural active ingredient to resist mite feeding. So these plants can be developed into acarcides. And there are resource advantages and broad prospects in researching and developing botanical acaricides.

According to a study on 40 herbs, Artemisia annua L. and turmeric have high potential for development. At present, acaricides using Artemisia annua L. as raw materials include 5% Artemisia annua L. ME, 0.5% scopoletin ME and 10% scopoletin•amitraz SC.

In summary, biological acaricides have great potential. They have many advantages over agrichemicals, but are limited by their intrinsic defects. These defects manifest in the following respects.

Firstly, the activity of the active ingredients is not stable. They are secondary plant metabolites, vulnerable changes of the environmental conditions (for example temperature, humidity, illumination, the pH value of the soil, nutrition of the soil and ecosystem, etc.), so therefore their stability is poor. Furthermore, the source of Artemisia annua L. is limited geographically, which causes difficulties in production.

Source from Insecticides China News 1301

Table contents of Insecticides China News 1301
YC formulation continues to be banned in China
Insecticide faces an expanding market driven by the corn industry
Jiangsu Flag to establish diafenthiuron and lufenuron production lines
Limin Chemical completes its 500t/a thiacloprid TC technological upgrade
Nanjing Jiukang signs supply agreements with 1,500 tonnes pesticides
China makes good gains in imidacloprid export in 2012
China's diafenthiuron export volume hit 384 tonnes in Q1- Q3 2012
Scopoletin as a botanical acaricide developed
Second bromopropylate technical for domestic market approved
New insecticide technical registrations in 2012 17
Application for formal registration of 3 insecticides unapproved
Registration number of emamectin benzoate has soared since 2010
Price Update Table
Increasing price of methomyl hits the highest level since 2008

Insecticides China News, a monthly publication issued by CCM on 10th, provides the latest and influential analysis on insecticide industry. Major contents include special report, company dynamics, market dynamics, supply and demand, price analysis, policy, raw material and intermediate.

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