Effect of buckwheat seed storage duration on its quality

Abstract

The effect of buckwheat seed storage duration on major indices of the quality was analyzed. Seed collected in 1996 and stored for 30 days (analyzed in 1996), seed stored for one year (analyzed in 1997), seed stored for two years (analyzed in 1998), seed stored for three years (analyzed in 1999) seed stored for four years (analyzed in 2000), seed stored for five years (analyzed in 2001) and seed stored for six years (analyzed in 2002) were investigated. The results of investigation have shown that seed stored up to two years had preserved its good production traits. Seed stored longer than two years have shown poor quality traits, and seed stored over three years could not be used - its production traits (germination energy and total germination) confirmed that such seed could not be used for planting. Seed stored over five years, regardless of storage conditions, had no qualitative traits, and therefore no value. It was also observed that longer storage duration induced decrease of seed mass. In regard to fractions, it was observed that smaller fractions lost their quality more quickly than medium fractions.

Analiziran je uticaj dužine čuvanja, odnosno starosti semena heljde na najvažnije parametre njegovog kvaliteta. Ispitivano je seme sakupljeno 1996. godine i to staro 30 dana (ispitivano 1996. godine), staro jednu godinu (ispitivano 1997. godine), staro dve godine (ispitivano 1998. godine), staro tri godine (ispitivano 1999. godine), staro četiri godine (ispitivano 2000. godine), staro pet godina (ispitivano 2001. godine) i staro šest godina (ispitivano 2002. godine). Rezultati istraživanja pokazuju da je seme starosti do dve godine zadržalo dobre proizvodne osobine. Seme starije od dve godine brzo je gubilo kvalitet, te ono starije od tri godine više nije bilo za upotrebu, odnosno njegove proizvodne osobine (energija klijanja i ukupno klijanje) su toliko oslabile da ono više nije bilo za setvu. Seme staro pet i više godina bez obzira na odgovarajuće uslove čuvanja nema više nikakvih kvalitativnih osobina pa samim tim ni upotrebnu vrednost. Primećeno je da se sa dužinom čuvanja smanjuje i masa semena. Kada su u pitanju frakcije zapaža se da sitna frakcija najbrže gubi kvalitet, a da ga srednja najduže zadržava.