Results 131 to 140 of about 10,071 (183)

Evolution of the selfing syndrome in Ipomoea [PDF]

Frontiers in Plant Science, 2013
Plants that are highly selfing typically exhibit a suite of morphological traits termed a "selfing syndrome," including reduced corollas and reproductive structures, loss of corolla pigmentation, little anther-stigma separation, and a lower pollen/ovule (P/O) ratio.
Mark Rausher, Rausher Mark D
exaly   +4 more sources

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White rust of Ipomoea caused by Albugo ipomoeae-panduratae and A. ipomoeae-hardwickii and their host specificity

Journal of General Plant Pathology, 2008
In some areas of Japan, yellow spots with white pustules on leaves, stems, petioles, peduncles and calyces were found on Ipomoea nil, I. triloba, I. lacunosa and I. hederacea var. integriuscula. We demonstrated that the diseases on I. nil, I. triloba and I.
Toyozo Sato, Jun Okamoto, Yosuke Degawa, Shigeru Matsunari, Kokichi Takahashi, Keisuke Tomioka   +5 more
openaire   +1 more source

Intoxication by Ipomoea sericophylla and Ipomoea riedelii in goats in the state of Paraíba, Northeastern Brazil

Toxicon, 2006
A disease of the nervous system was observed in goats from two farms of the semiarid of the state of Paraíba, northeastern Brazil. Ipomoea sericophylla was found in one farm and I. riedelii in the other. Both plants were administered experimentally to five goats each.
Russell Molyneux, D R Gardner, E J Gimeno   +2 more
exaly   +3 more sources

Recreational Use of D-Lysergamide from the Seeds of Argyreia Nervosa, Ipomoea Tricolor, Ipomoea Violacea, and Ipomoea Purpurea in Poland [PDF]

Journal of Psychoactive Drugs, 2013
Recently, there are important changes in recreational drug use. The aim of the present study was to analyse reports published on a recreational web site by drug users who ingested seeds of plants belonging to the Convolvulaceae family and to compare them with available medical case reports.
Juszczak, Grzegorz, Artur Hugo Świergiel   +1 more
openaire   +2 more sources

ENVIRONMENTAL VARIATION MEDIATES THE DELETERIOUS EFFECTS OF COLEOSPORIUM IPOMOEAE ON IPOMOEA PURPUREA

Ecology, 2006
Variation in the environment is common within and between natural populations and may influence selection on plant resistance by altering the level of damage or the fitness consequences of damage from plant enemies. While much is known about how environmental variation influences the amount of damage a plant experiences, few studies have attempted to ...
Joel M, Kniskern, Mark D, Rausher
openaire   +2 more sources

Constituents of Ipomoea fistulosa leaves

Fitoterapia, 2000
The isolation of flavonol glycosides 1-3 from the leaves of Ipomoea fistulosa is reported.
M, Lamidi, M L, Rondi, E, Ollivier, R, Faure, L, Nze Ekekang , G, Balansard   +5 more
openaire   +2 more sources

Anticonvulsant properties of Ipomoea stans

Phytomedicine, 1996
Ipomoea stans (IS) has long been used as an anticonvulsant. Although the use of HPLC and nuclear magnetic resonance techniques recently have allowed some of its compounds to be identified, the anticonvulsant properties of this Convolvulaceae remained to be tested.
C M, Contreras, L, Chacón, R G, Enriquez   +2 more
openaire   +2 more sources

The pachytene chromosomes of Ipomoea crassicaulis

Theoretical and Applied Genetics, 1969
The detailed morphology of the pachytene chromosomes and microsporogenesis have been studied in a diploid (2 n=30) American species, Ipomoea crassicaulis (Bth) B. L. Robinson. Idiogram of the pachytene chromosomes is presented and taking advantage of the extreme precision that pachytene analysis can lend, karyological characteristics of the haploid ...
R, Krishnan, M L, Magoon, K V, Bai
openaire   +2 more sources