Advertise here Publish your press releases here Sponsor BioPortfolio
Follow us on Twitter Sign up for daily news and research emails Contributors wanted

Further evidence from the effect of fungi on breaking Opuntia seed dormancy.

23:52 EDT 16th April 2014 | BioPortfolio

Summary of "Further evidence from the effect of fungi on breaking Opuntia seed dormancy."

Recently, we found that fungi are involved in breaking seed dormancy of Opuntia streptacantha, and that the effect of fungi on seeds is species-specific. However, the effect of fungi on seed germination from other Opuntia spp. has not been evaluated. Thus, we evaluated the effect of four fungal species (Penicillium chrysogenum, Phoma sp., Trichoderma harzianum, Trichoderma koningii) on the germination of Opuntia leucotricha, an abundant species in the Chihuahuan Desert, Mexico. We found that seeds inoculated with the four fungal species had higher germination than control seeds. Trichoderma spp. were the most effective. Our results strongly indicate that fungi are involved in breaking seed dormancy of O. leucotricha. Thus, we suggest that these fungi could promote seed germination from other Opuntia species.


División de Ciencias Ambientales, Instituto Potosino de Investigación Científica y Tecnológica, San Luis Potosí, S.L.P, México.

Journal Details

This article was published in the following journal.

Name: Plant signaling & behavior
ISSN: 1559-2324


PubMed Articles [13776 Associated PubMed Articles listed on BioPortfolio]

In situ seed baiting to isolate germination-enhancing fungi for an epiphytic orchid, Dendrobium aphyllum (Orchidaceae).

Orchid conservation efforts, using seeds and species-specific fungi that support seed germination, require the isolation, identification, and germination enhancement testing of symbiotic fungi. Howeve...

Chemical composition of volatiles from Opuntia littoralisOpuntia ficus-indica, and Opuntia prolifera growing on Catalina Island, California.

The essential oils from the cladodes of Opuntia littoralis, Opuntia ficus-indica and Opuntia prolifera growing wild on Santa Catalina Island, California, were obtained by hydrodistillation and analyse...

Metabolite profiling of enzymatically hydrolyzed and fermented forms of Opuntia ficus-indica and their effect on UVB-induced skin photoaging.

Fermentation of natural products is emerging as an important processing method and is attracting a lot of attention because it may have the advantage of having a new biological function. In this study...

A distinction between the actions of abscisic acid, gibberellic acid and cytokinins in light-sensitive lettuce seed.

Using isolated lettuce seed embryos it can be shown that the inhibitory effect of abscisic acid upon germination is reversed solely by cytokinin. In the intact seed, however, gibberellic acid is also...

Microbodies and glyoxylate-cycle enzyme activities in filamentous fungi.

Microbodies were observed in the hyphal tips of all 14 fungi investigated. Their morphology varied among the fungi and their numbers were influenced by the growth medium. Microbodies were closely asso...

Clinical Trials [1732 Associated Clinical Trials listed on BioPortfolio]

The Effect of Grape Seed Extract on Estrogen Levels of Postmenopausal Women

The role of estrogens in the pathogenesis of breast cancer has been well documented. This has led to the development of "Anti-Estrogens" (selective estrogens receptor modulators and Aromat...

The Effect of Grape Seed Extract on Blood Pressure in People With Pre-Hypertension

In this research study, the investigators are interested in learning how extracts from grape seeds can help those individuals with high blood pressure. The investigators also hope to learn...

Effect of Grape Seed Extract Plus Ascorbic Acid on Endothelial Function

A pilot study of 15 subjects will be conducted to confirm an acute effect of grape seed extract on endothelial function. We then will perform a a randomized, double blind, placebo controll...

Treatment of Bronchial Asthma With Borage and Echium Seed Oils

The aim of this trial is to determine the efficacy of a combination of two botanicals oils, borage seed oil and echium seed oil, as a potential treatment for bronchial asthma.

Muscadine Grape Seed Supplementation and Vascular Function

The investigators sought to evaluate the effect of muscadine grape seed supplementation on brachial diameter and flow-mediated vasodilator responses in subjects with, or at risk for cardio...

Medical and Biotech [MESH] Definitions

A phylum of fungi that produce their sexual spores (basidiospores) on the outside of the basidium. It includes forms commonly known as mushrooms, boletes, puffballs, earthstars, stinkhorns, bird's-nest fungi, jelly fungi, bracket or shelf fungi, and rust and smut fungi.

An effect usually, but not necessarily, beneficial that is attributable to an expectation that the regimen will have an effect, i.e., the effect is due to the power of suggestion.

A preconceived judgment made without adequate evidence and not easily alterable by presentation of contrary evidence.

A plant genus of the family CACTACEAE. Species with cylindrical joints are called Cholla; flat jointed ones are Prickly-pear.

One or more types of plant seed proteins providing the large amounts of AMINO ACIDS utilized in GERMINATION and SEEDLING growth. As seeds are the major food source from AGRICULTURAL CROPS, seed storage proteins are a major source of DIETARY PROTEINS.

Search BioPortfolio: