International Journal of Biology Research


ISSN: 2455-6548

Vol. 1, Issue 4 (2016)

Stimulating effect of five and six-membered heterocyclic compounds on seed germination and vegetative growth of maize (Zea mays L.)

Author(s): Victoria Tsygankova, Yaroslav Andrusevich, Alexandra Shtompel, Artem Gurenko, Roman Solomyanny, Galina Mrug, Mikhailo Frasinyuk, Vladimir Brovarets
Abstract: Maize (Zea mays L.) is an important crop for world agriculture. The elaboration of new effective growth regulators for intensification of maize growth and improvement of product quality is very actual problem. In this work impact of synthetic five and six-membered heterocyclic compounds derivatives of pyrimidine, pyrazole, isoflavones and phytohormones auxins IAA and NAA on germination of seeds and vegetative growth of maize was studied. Obtained data showed that treatment of maize seeds by heterocyclic compounds and auxins IAA and NAA used in concentrations ranging from 10-5M to 10-13M in water solution resulted in intensification of seed germination and increase of growth parameters of maize seedlings as compared to lower growth parameters of control untreated seedlings. Comparative statistical analysis showed that the biometric indexes of two-week maize seedlings grown on the water solution of heterocyclic compounds used in concentrations ranging from 10-9M - 10-10M in water solution were as generally higher or similar to biometric indexes of maize seedlings grown on the water solution of auxins IAA and NAAused in the same concentrations as compared to lower biometric indexes of control maize seedlings grown on the distilled water (control). It was found that the highest growth stimulating activity showed compounds derivatives of isoflavones and pyrimidine, whereas derivatives of pyrazole showed lower stimulating activity. Obtained results indicate perspective of application of low molecular weight heterocyclic compounds derivatives of pyrimidine, pyrazole and isoflavones as new effective stimulators of seed germination and growth of maize seedlings.
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