Effect of distance from the pollen source on seed set in male sterile triticale lines

Halina Góral

khrin@urk.edu.pl
Katedra Hodowli Roślin i Nasiennictwa, Akademia Rolnicza w Krakowie (Poland)

Abstract

Six winter triticale male sterile lines, based on the Triticum timopheevi cytoplasm, and 9 pollen parents were used in testing the effect of distance from the pollen source on the amount of pollen in the air and on the seed set in female ears, as well as in testing the effect of flowering synchronization on seed set. The experiments were carried out in 2001–2002. In both years the proportion of females to males was 3:1. The strip width of females and males was 8.1 and 2.7 m in 2001, and 18 and 6 m in 2002, respectively. Only one female line flowered synchronously with male parents, others flowered later up to 5 days. The highest amount of pollen on pollen traps and seed set in female lines was in the distance of 0.6 m from the ears of male parents. Starting from a distance of 2.6 m from male parents the amount of pollen on pollen traps and seed set in male sterile females was significantly lower, regardless of the strip width. The seed set depended on the flowering synchronization of females and males.

 

Keywords:

Triticum timopheevi, male sterility, seed set, triticale, pollination

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Published
2004-03-31

Cited by

Góral, H. (2004) “Effect of distance from the pollen source on seed set in male sterile triticale lines ”, Bulletin of Plant Breeding and Acclimatization Institute, (231), pp. 157–164. doi: 10.37317/biul-2004-0118.

Authors

Halina Góral 
khrin@urk.edu.pl
Katedra Hodowli Roślin i Nasiennictwa, Akademia Rolnicza w Krakowie Poland

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