Allelopathy: Current Trends and Future Applications by Paula Lorenzo, M. Iftikhar Hussain, Luís González (auth.),

By Paula Lorenzo, M. Iftikhar Hussain, Luís González (auth.), Zahid A. Cheema, Muhammad Farooq, Abdul Wahid (eds.)

Allelopathy is an ecological phenomenon through which crops liberate natural chemical substances (allelochemicals) into the surroundings influencing the expansion and survival of different organisms. during this publication, prime scientists within the box synthesize most modern advancements in allelopathy examine with a different emphasis on its program in sustainable agriculture. the subsequent subject matters are highlighted: Ecological implications, similar to the position of allelopathy through the invasion of alien plant species; nearby studies with the appliance of allelopathy in agricultural platforms and pest administration; using microscopy for modeling allelopathy; allelopathy and abiotic rigidity tolerance; host allelopathy and arbuscular mycorrhizal fungi; allelopathic interplay with plant foodstuff; and the molecular mechanisms of allelopathy. This booklet is a useful resource of data for scientists, lecturers and complex scholars within the fields of plant body structure, agriculture, ecology, environmental sciences, and molecular biology.

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1). These results clearly identified the active allelopathic part of Sphagnum as the top layer and the passive allelopathic part as the bottom layer. To conclude, the 0–10 cm Sphagnum layer gives a realistic allelopathic potential of Sphagnum. The degradation of the recalcitrant polyphenolic plant residue represents a key process in the global carbon cycle of a peatland. A large diversity of extracellular enzymes, described as phenoloxidases, is involved in the degradation of polyphenolic compounds (Sinsabaugh 2010; Theuerl and Buscot 2010).

Maculosa exudes large amounts of (±) catechin from its roots, whereas C. diffusa roots exude 8-hydroxyquinoline. Both species can establish virtual monocultures, but only in the regions where they invade. At home (Eurasia) they are far less abundant. In a fascinating twist, both Centaurea species and their allelochemicals have much stronger effects on species native to invaded regions in North America than related species in their communities of origin. These biogeographical differences in the effectiveness of root-exuded biochemicals 2 Ecological Consequences of Allelopathy 31 Fig.

Repens are particularly inhibitory to root hair formation, which subsequently prevents the infection by Rhizobium. They found that compounds inhibiting root hair formation did not inhibit the growth of several species of Rhizobium and concluded that the morphological changes induced by allelochemicals can reduce nodulation in legume species. 4 Effects on Plant Invasion Several studies have been done on the role of allelopathy in plant invasion in natural ecosystems (Bais et al. 2003; Callaway and Vivanco 2005a; Hierro and Callaway 2003; Zedler and Kercher 2004) demonstrating the importance of allelopathic potential in invasion and dominance of plants (especially exotic plants).

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