Quality of garden pea (Pisum sativum L.) primed seed

Abstract

The objective of this study was to examine the effects of different priming treatments on seed quality and initial growth and development of garden pea. For this purpose, three garden pea cultivars, developed at the Institute of Field and Vegetable crops, Novi Sad were examined. The laboratory experiment was conducted under optimal conditions. Seeds were primed in water (hydropriming), 0.5% KNO3 solution, and -0.49 MPa PEG solution for 24 hours; non-primed seeds were controls. The results showed that the percentage of germination, shoot and root length, and mean germination rate significantly increased after the tested priming treatments, while the percentage of abnormal seedlings and mean germination time were significantly decreased after the priming treatments compared to the control. The increase of fresh and dry seedling biomass was significant only in cv.1 and cv.2. Despite the genetic diversity of pea cultivars, the results indicated that the examined seed priming treatments enhanced seed quality and vigour of garden pea cultivars.

Cilj ovog istraživanja bio je da se ispitaju efekti različitih tretmana prajminga na kvalitet semena i početni rast i razvoj povrtarskog graška. U tu svrhu ispitane su tri sorte povrtarskog graška stvorene u Institutu za ratarstvo i povrtarstvo u Novom Sadu. Laboratorijski ogled je izveden u optimalnim uslovima. Seme je potapano u vodu (hidroprajming), 0,5% rastvor KNO3 i -0,49 MPa rastvor PEG tokom 24 sata; netretirano seme je bilo kontrola. Rezultati su pokazali da su se procenat klijanja, dužina nadzemnog dela i korena izdanaka, kao i srednja stopa klijanja značajno povećali u ispitivanim tretmanima prajminga, dok su se procenat atipičnih izdanaka i srednje vreme klijanja značajno smanjili u tretmanima prajminga u poređenju sa kontrolom. Povećanje sveže i suve biomase izdanaka bilo je značajno samo kod sorti cv.1 i cv.2. Uprkos genetskoj raznolikosti sorti graška, ovi rezultati su pokazali da su ispitivani tretmani prajminga semena efikasne metode u smislu povećanja kvaliteta i vigora semena sorti povrtarskog graška.