The effect of natural biostimulants on a productivity of different varieties of chickpea

Abstract

The effect of biostimulants Agrimitin and Bacterial Melanin on winter variety Karin, spring varieties Anush and Leninakan 313 varieties of chickpea under the conditions of Armavir region of the Ararat valley, was studied. Pre-sowing treatment of seeds with biostimulants was carried out with Agrimitin 2.5 nmol. - 12 and Bacterial Melanin 0.035% - 24 hours’ exposures, respectively. The field experiments were carried out with three repetitions, in 25m2 test plots, with a sowing rate of 500 thousand seeds/ha. The results of the study show that biostimulants improved the structural elements and productivity indicators of the chickpea crop, which contributed to the increase in yield. In the Agrimitin-treated version of the Karin variety, biological and actual yield indicators exceeded the control by 6.9 and 4.8 t/ha. The Agrimitin preparation compare with Bacterial Melanin for all varieties displayed a highest result. Among the tested varieties, the winter variety Karin provided an unprecedentedly high seed yield.