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Influence of daylenght on trichome densities and leaf volatiles of Lycopersicon species

  • John C. Snyder
  • , John P. Hyatt

Producción científica: Article › revisión exhaustiva

17 Citas (Scopus)

Resumen

Trichome densities of leaflets differed on plants of Lycopersicon esculentum, L. hirsutum, L. hirsutum f. globratum and two interspecific hybrids grown under an 8-h photophase with (long days (LD)) or without (short days (SD)) a 4-h night interruption. Response to the 2 photoperiods depended on the genotype of plant and the particular type of trichome. Generally, the densities of Type IV trichomes - short, glandular trichomes having a single tip cell - were greater under SD and densities of Type VI trichomes - short, glandular trichomes with a multicellular tip - were greater under LD. Densities of Type V trichomes - short, non-glandular trichomes - did not differ between LD and SD. Quantities of 2-tridecanone and two 15-carbon compounds were not significantly altered by the night interruption.

Idioma originalEnglish
Páginas (desde-hasta)177-181
Número de páginas5
PublicaciónPlant Science Letters
Volumen37
N.º1-2
DOI
EstadoPublished - nov 1984

Nota bibliográfica

Funding Information:
The role of trichomes in the defense of plants to predators has been the topic of many investigations \[1 --12\].Trichome destiny may be one feature of host-plant resistance that has not been fully exploited by plant breeders \[6\]. Evaluation of trichome density has usually been conducted under narrow or highly defined environmental conditions \[7 ,10,11,!3--17 \]. Consequently the investigation of trichome density in various environments may reveal unanticipated interactions with the environment. Because daylength *The investigation reported in the paper (84-10-109) is in connection with a project of the Kentucky Agricultural Experiment Station and is published with the approval of the Director. This material is based upon work supported, in part, by the U.S. Department of Agriculture, agreement No. 59-2213-1-1-717-0 (Competitive Research Grants Program). Abbreviations: GC, gas chromatography; LD, long day(s); SD, short day(s).

Financiación

The role of trichomes in the defense of plants to predators has been the topic of many investigations \[1 --12\].Trichome destiny may be one feature of host-plant resistance that has not been fully exploited by plant breeders \[6\]. Evaluation of trichome density has usually been conducted under narrow or highly defined environmental conditions \[7 ,10,11,!3--17 \]. Consequently the investigation of trichome density in various environments may reveal unanticipated interactions with the environment. Because daylength *The investigation reported in the paper (84-10-109) is in connection with a project of the Kentucky Agricultural Experiment Station and is published with the approval of the Director. This material is based upon work supported, in part, by the U.S. Department of Agriculture, agreement No. 59-2213-1-1-717-0 (Competitive Research Grants Program). Abbreviations: GC, gas chromatography; LD, long day(s); SD, short day(s).

FinanciadoresNúmero del financiador
U.S. Department of Agriculture59-2213-1-1-717-0

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