Featured Research

from universities, journals, and other organizations

Plants' exposure to light influences organic weed control methods

Date:
November 15, 2012
Source:
Allen Press Publishing Services
Summary:
The popularity of organic foods and products continues to climb, creating greater demand for organic agriculture. Effective natural alternatives to synthetic chemical weed and pest management are needed to meet organic standards. Essential oils, such as clove oil, offer an avenue to explore.

The popularity of organic foods and products continues to climb, creating greater demand for organic agriculture. Effective natural alternatives to synthetic chemical weed and pest management are needed to meet organic standards. Essential oils, such as clove oil, offer an avenue to explore.

The journal Weed Science reports on a study of the impact of clove oil on purple sprouting broccoli and common lambsquarters. These plants were grown from seeds in greenhouse and outdoor conditions and exposed to varying concentrations of clove oil and degrees of light intensity.

Clove oil is an excellent option for organic farming because of its strong fungicidal, insecticidal, and herbicidal properties. It is available as a commercial herbicide.

In this study, the three major constituents of clove bud oil, eugenol, β-caryophyllene, and α-humulene, were examined for their individual effects on plants. Only eugenol showed a significant impact on the plants, damaging their cellular membranes.

Light intensity can also affect the efficacy of clove oil with plants. Solar intensity can create a thicker layer of epicuticular wax on leaves, acting as a protective barrier. In this study, electrolyte leakage from leaf discs sprayed with clove oil decreased as light intensity increased. Therefore, plants' exposure to light before they are sprayed with clove oil could play a role in how well the oil controls the plants.


Story Source:

The above story is based on materials provided by Allen Press Publishing Services. Note: Materials may be edited for content and length.


Journal Reference:

  1. Agnieszka Stokłosa, Renata Matraszek, Murray B. Isman, Mahesh K. Upadhyaya. Phytotoxic Activity of Clove Oil, Its Constituents, and Its Modification by Light Intensity in Broccoli and Common Lambsquarters (Chenopodium album). Weed Science, 2012; 60 (4): 607 DOI: 10.1614/WS-D-11-00210.1

Cite This Page:

Allen Press Publishing Services. "Plants' exposure to light influences organic weed control methods." ScienceDaily. ScienceDaily, 15 November 2012. <www.sciencedaily.com/releases/2012/11/121115132346.htm>.
Allen Press Publishing Services. (2012, November 15). Plants' exposure to light influences organic weed control methods. ScienceDaily. Retrieved April 16, 2014 from www.sciencedaily.com/releases/2012/11/121115132346.htm
Allen Press Publishing Services. "Plants' exposure to light influences organic weed control methods." ScienceDaily. www.sciencedaily.com/releases/2012/11/121115132346.htm (accessed April 16, 2014).

Share This



More Earth & Climate News

Wednesday, April 16, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

How Mt. Everest Helped Scientists Research Diabetes

How Mt. Everest Helped Scientists Research Diabetes

Newsy (Apr. 15, 2014) British researchers were able to use Mount Everest's low altitudes to study insulin resistance. They hope to find ways to treat diabetes. Video provided by Newsy
Powered by NewsLook.com
The Walking, Talking Oil-Drigging Rig

The Walking, Talking Oil-Drigging Rig

Reuters - Business Video Online (Apr. 15, 2014) Pennsylvania-based Schramm is incorporating modern technology in its next generation oil-drigging rigs, making them smaller, safer and smarter. Ernest Scheyder reports. Video provided by Reuters
Powered by NewsLook.com
In Washington, a Push to Sterilize Stray Cats

In Washington, a Push to Sterilize Stray Cats

AFP (Apr. 14, 2014) To curb the growing numbers of feral cats in the US capital, the Washington Humane Society is encouraging residents to set traps and bring the animals to a sterilization clinic, after which they are released.. Duration: 02:29 Video provided by AFP
Powered by NewsLook.com
Dutch Highway Introduces Glow-In-The-Dark Paint

Dutch Highway Introduces Glow-In-The-Dark Paint

Newsy (Apr. 14, 2014) A Dutch highway has become the first lit by glow-in-the-dark paint — a project aimed at reducing street light use. Video provided by Newsy
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:

Breaking News:
from the past week

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile: iPhone Android Web
Follow: Facebook Twitter Google+
Subscribe: RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins