Journal article

Cultivar and environmental effects on quality characters in wheat. I. Starch

JF Panozzo, HA Eagles

AUSTRALIAN JOURNAL OF AGRICULTURAL RESEARCH | C S I R O PUBLICATIONS | Published : 1998

Abstract

The composition of starch in wheat is an important determinant of grain quality, especially for white-salted noodles. Starch consists of 2 types of polymer, amylose and amylopectin, and occurs in predominantly larger A-type and smaller B-type granules. High starch pasting peak viscosity is desirable for white-salted noodles, and is influenced by the waxy genes coding for granule-bound-starch synthase (GBSS), which are involved in the synthesis of amylose. To study cultivar and environmental effects on the proportion of A-type granules, the proportion of amylose in starch, starch pasting peak viscosity, and grain hardness, 7 cultivars were grown in 15 environments which differed for temperatu..

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