Effect of short-term temperature stress on the duration of interphase periods and sowing qualities of soybean seeds

Mysak E.V. and Selihova O.A.
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Mysak E.V.: All-Russian Scientific Research Institute of Soybean
Selihova O.A.: Far Eastern State Agrarian University

Russian Journal of Agricultural and Socio-Economic Sciences, 2017, vol. 61, issue 1, 282-287

Abstract: In the article shown results of studies on the effect of short-term temperature stress on growth and development of soybean in controlled conditions for 2011-2013 on the base of Far Eastern State Agrarian University (Blagoveshchensk). It was found that short-term drop in temperature to 5º C in the period of filling bean-ripening contributes to reduce the length of the vegetative season of plants ripening varieties of Lydia. In the same period high-temperature stress during 12 hours extended the vegetation period on 4 days for ripening varieties of Lydia and reduced on 6 days for late-maturing varieties of Marinato, and also contributed to the formation at the studied varieties of soybean of smaller seeds compared with the control in 1.7 (variety of Lydia) and 2 times (variety of Marinato), which the characterized low sowing qualities.

Keywords: SOYBEANS; TEMPERATURE STRESS; CROP QUALITY; INTERPHASE PERIODS; PRODUCTIVITY INDICATORS (search for similar items in EconPapers)
Date: 2017
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