Effects of simulated and insect herbivory on nitrogen and protein precipitable phenolic concentrations of two legumes

Blackmon, Tiana Kalene

doi:10.1080/17429145.2016.1172128

Cited by 3 publications

(4 citation statements)

References 64 publications

(89 reference statements)

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“…() found that SL CT concentrations did not have a clear response to defoliation, while Blackmon et al . () reported that insect herbivory decreased with plant maturity. In a field study looking at the effect of season progression in repeatedly harvested and accumulated SL herbage, Muir et al .…”

Section: Introductionmentioning

confidence: 98%

Harvest regimen changes sericea lespedeza condensed tannin, fiber and protein concentrations

Muir¹,

Terrill

Mosjidis

et al. 2017

Grassland Science

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Sericea lespedeza (Lespedeza cuneata [Dumont de Courset] G. Don.; SL) is a perennial, warm‐season legume containing condensed tannins (CT) that can play important roles in ruminant ecosystems. Our research objective was to determine season‐long average herbage CT fractions, crude protein (CP) and fiber concentrations under three harvest regimens for SL cv. AU Grazer at five locations within the southeastern USA during 2010. Harvest regimens were regrowth every 35 days (35‐day), previously uncut plots every 35 days (ACCUM), or regrowth when height reached 40 cm (40 cm). We found harvest regimen by location interactions (P ≤ 0.05) for all dependent variables. The ACCUM plants usually had greater (P ≤ 0.05) fiber concentrations where there were differences, except for the Louisiana location. The lowest (114 g kg−1; P ≤ 0.05) CP concentrations were measured in ACCUM plants at the driest location (Texas) while the highest (181 g kg−1 for North Carolina plants) came from the 35‐day regimen. Total CT (TCT) concentration varied (P ≤ 0.05) from a low of 61.1 g kg−1 for ACCUM plants in Louisiana to 100.7 g kg−1 for Texas plants harvested from 35‐day plots. In summary, harvest regimen influenced SL nutrient and CT concentrations. Fiber concentration was better correlated (−0.621 for acid detergent fiber; P ≤ 0.05) with TCT than CP (−0.014; P = 0.82). Sericea lespedeza regrowth harvested every 35 days had higher season‐long average TCT concentrations in two of five locations along with greater CP and less fiber concentrations in four of five locations compared to the ACCUM regimen.

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Section: Introductionmentioning

confidence: 98%

Harvest regimen changes sericea lespedeza condensed tannin, fiber and protein concentrations

Muir¹,

Terrill

Mosjidis

et al. 2017

Grassland Science

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“…Tannins are group of plant polyphenols present in all vascular plants including leguminous plants, forages, flowers, fruits, grasses and leguminous trees (Blackmon et al, 2016). First time, the word tannins was used by Seguim to explain the compound present in various plants extracts that have feature of converting animal hides to leather (Elgailani & Ishak, 2016).…”

Section: Introductionmentioning

confidence: 99%

“…Tannins have both harmful and beneficial effects depending on their nature, concentration, animal species, animal health and feed composition (Figures 1a and 1b). Several studies have reported that tannin based forages have anti-bloat and anthelmintic characteristics which improve the quality of meat and milk products, fatty acids composition and ruminant antioxidant status (Blackmon et al, 2016). In addition, these tannins containing plants also contribute to inhibit the enteric methane emission (Anantasook et al, 2016;Gunun et al, 2017).…”

Section: Introductionmentioning

confidence: 99%

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Tannin Supplementation in Animal Feeding; Mitigation Strategies to Overcome the Toxic Effects of Tannins on Animal Health: A Review

Nawab¹,

Tang²,

Gao³

et al. 2020

JAS

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Optimum animal production depends on the type of feedstuffs available for the whole year. Plants such as trees and shrubs have significance in the animal production due to high nutritious values of tannins which reduce the rumen protein degradability and improve the feed digestibility as well as amino acid absorption in the small intestine. But, some of these plant materials are usually rich in anti-nutritional factors, known as tannins. Tannins are a complex group of plant secondary compounds widely distributed in the plant kingdom. Tannins have both deleterious and advantageous effects depending on the types, doses, composition and concentration of tannins. Rural farmers face fodder scarcity during the winter season. Therefore, tannins containing browse species may help farmers to use tannins as supplementary feed for livestock. But higher concentrations of tannins cause metabolic disorder which in results reduces the animal productivity. Therefore, it is need to investigate the effects of tannin supplementation in animal feeding; mitigation strategies to overcome the toxic effects of tannins on animal health. In this review paper, we have discussed safety and hazard associated with tannins in animal feeding.

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Photosynthetic and defensive responses of two Mediterranean oaks to insect leaf herbivory

Fyllas

Chrysafi

Avtzis³

et al. 2022

Tree Physiology

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Insect herbivory is a dominant interaction across virtually all ecosystems globally and has dramatic effects on plant function such as reduced photosynthesis activity and increased levels of defenses. However, most previous work assessing the link between insect herbivory, photosynthesis and plant defenses has been performed on cultivated model plant species, neglecting a full understanding of patterns in natural systems. In this study, we performed a field experiment to investigate the effects of herbivory by a generalist foliar feeding insect (Lymantria dispar) and leaf mechanical damage on multiple leaf traits associated with defense against herbivory and photosynthesis activity on two sympatric oak species with contrasting leaf habit (the evergreen Quercus coccifera L. and the deciduous Quercus pubescens Willd). Our results showed that, although herbivory treatments and oak species did not strongly affect photosynthesis and dark respiration, these two factors exerted interactive effects. Insect herbivory and mechanical damage (vs control) decreased photosynthesis activity for Q. coccifera but not for Q. pubescens. Insect herbivory and mechanical damage tended to increase chemical (increased flavonoid and lignin concentration) defenses, but these effects were stronger for Q. pubescens. Overall, this study shows that two congeneric oak species with contrasting leaf habit differ in their photosynthetic and defensive responses to insect herbivory. While the evergreen oak species followed a more conservative strategy (reduced photosynthesis and higher physical defenses), the deciduous oak species followed a more acquisitive strategy (maintained photosynthesis and higher chemical defenses).

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Effects of simulated and insect herbivory on nitrogen and protein precipitable phenolic concentrations of two legumes

Cited by 3 publications

References 64 publications

Harvest regimen changes sericea lespedeza condensed tannin, fiber and protein concentrations

Harvest regimen changes sericea lespedeza condensed tannin, fiber and protein concentrations

Tannin Supplementation in Animal Feeding; Mitigation Strategies to Overcome the Toxic Effects of Tannins on Animal Health: A Review

Photosynthetic and defensive responses of two Mediterranean oaks to insect leaf herbivory

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