Natural Compounds for Pest and Weed Control

Abstract

The control of insect pests and invasive weeds has become more species-selective because of activity-guided isolation, structure elucidation, and total synthesis of naturally produced substances with important biological activities. Examples of isolated compounds include insect pheromones, antifeedants, and prostaglandins, as well as growth regulators for plants and insects. Synthetic analogues of natural substances have been prepared to explore the relationships between chemical structure and observed biological activity. Recent scientific advances have resulted from better methods for the chemical synthesis of target compounds and better analytical methods. The capability of analytical instrumentation continues to advance rapidly, enabling new insights.

Discovery and Weed Inhibition Effects of Coumarin as the Predominant Allelochemical of Yellow Sweetclover (Melilotus officinalis)

“…Natural compounds could partially replace synthetic herbicides or to serve as starting materials for the chemical synthesis of biodegradable herbicides (Jabran et al, 2010;Dilipkumar and Chuah, 2013). Allelopathic plants or its allelochemicals are believed to be less harmful to the environment than synthetic herbicides because the former can readily undergo degradation in the environment (Petroski and Stanley, 2009). To date, a number of allelochemicals have been isolated and investigated to develop new natural herbicides (Kelton et al, 2012).…”

Status and Perspective of Bioherbicde Development for Organic Weed Management

“…(Romagni et al, 2000). Cinmethylin은 천연물 질의 구조적 변형으로 개발된 cineole 제초제이며 (Eldeek and Hess, 1986) (Petroski and Stanley, 2009). 추출분자는 nonanoic acid와 pelargonic acid이며, Jade Co에 의하여 보급되고 있다 (Nguyen et al, 2013).…”

“…Eucalyptus 오일은 eucalyptol을 85-95% 함유하고 있으며, 감자 괴경의 출아를 억제하는데 사용될 수 있다 (Vaughn and Spencer, 1991). Loline alkaloids 는 가정의 온실이나 정원에서 해충 혹은 잡초 방제를 위하 여 이용될 가능성이 높은 것으로 알려져 있다 (Petroski and Stanley, 2009). Dayan et al, 2007).…”

<b>Ovicidal effect of the essential oils from 18 Brazilian <i>Piper</i> species: controlling <i>Anticarsia gemmatalis</i> (Lepidoptera, Erebidae) at the initial stage of development

“…However, new approaches are needed to reduce risks to the environment and natural enemies and to avoid or delay the onset of insecticide resistance (Loureiro, Moino-Junior, Arnosti, & Souza, 2002;Petroski & Stanley, 2009;Rampelotti-Ferreira et al, 2010). Additionally, they may be safer and more environmentally acceptable.…”