EFFECTS OF HEAT AND WATER-STRESS ON MALT QUALITY AND GRAIN PARAMETERS OF SCHOONER BARLEY GROWN IN CABINETS

被引:49
作者
MACNICOL, PK [1 ]
JACOBSEN, JV [1 ]
KEYS, MM [1 ]
STUART, IM [1 ]
机构
[1] JOE WHITE MALTINGS,COLLINGWOOD,VIC 3066,AUSTRALIA
关键词
D O I
10.1006/jcrs.1993.1034
中图分类号
TS2 [食品工业];
学科分类号
0832 ;
摘要
In growth-cabinet experiments heat and water stresses were separately applied to populations of barley plants, cv. Schooner, 17 or 27 days post-anthesis (DPA), after which the mature grain was micromalted and a number of malt quality parameters measured. Water stress at 17 DPA (mid grain-fill) led to decreased grain (1 → 3),(1 → 4)-β-glucan and increased malt extract, (1 → 3),(1 → 4)-β-glucanase, α-amylase and β-amylase, while at 27 DPA (late grain-fill) only extract was increased. Heat stress with maintenance of soil moisture level had no effect on these parameters. Both types of stress reduced yield and grain size. Neither stressed nor unstressed grain showed any dormancy. These findings indicate that the malting performance of Schooner barley is more related to water stress than heat stress. They also suggest that a limited episode of water stress during grain-fill may be beneficial for malting quality. © 1993 Academic Press Limited.
引用
收藏
页码:61 / 68
页数:8
相关论文
共 20 条
[1]   EFFECTS OF SOIL MOISTURE STRESS ON GROWTH OF BARLEY .I. VEGETATIVE DEVELOPMENT + GRAIN YIELD [J].
ASPINALL, D ;
MAY, LH ;
NICHOLLS, PB .
AUSTRALIAN JOURNAL OF AGRICULTURAL RESEARCH, 1964, 15 (05) :729-&
[2]   EFFECTS OF TEMPERATURE ON THE CONVERSION OF SUCROSE TO STARCH IN THE DEVELOPING WHEAT ENDOSPERM [J].
BHULLAR, SS ;
JENNER, CF .
AUSTRALIAN JOURNAL OF PLANT PHYSIOLOGY, 1986, 13 (05) :605-615
[3]   GLIADIN GENES CONTAIN HEAT-SHOCK ELEMENTS - POSSIBLE RELEVANCE TO HEAT-INDUCED CHANGES IN GRAIN QUALITY [J].
BLUMENTHAL, CS ;
BATEY, IL ;
BEKES, F ;
WRIGLEY, CW ;
BARLOW, EWR .
JOURNAL OF CEREAL SCIENCE, 1990, 11 (03) :185-187
[4]   EFFECT OF MOISTURE STRESS ON MALTING QUALITY IN TRIUMPH BARLEY [J].
COLES, GD ;
JAMIESON, PD ;
HASLEMORE, RM .
JOURNAL OF CEREAL SCIENCE, 1991, 14 (02) :161-177
[5]  
HENRY RJ, 1990, ASPECTS APPLIED BIOL, V35, P5
[6]  
Hewitt E. J., 1966, SAND WATER CULTURE M, P190
[7]  
KONOVALOV YB, 1959, SOVIET PLANT PHYSL, V9, P189
[8]   REDUCED STARCH CONTENT AND SUCROSE SYNTHASE ACTIVITY IN DEVELOPING ENDOSPERM OF BARLEY PLANTS GROWN AT ELEVATED-TEMPERATURES [J].
MACLEOD, LC ;
DUFFUS, CM .
AUSTRALIAN JOURNAL OF PLANT PHYSIOLOGY, 1988, 15 (03) :367-375
[9]   A NEW PROCEDURE FOR SPECIFIC DETERMINATION OF BETA-AMYLASE IN CEREALS [J].
MATHEWSON, PR ;
SEABOURN, BW .
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY, 1983, 31 (06) :1322-1326
[10]   ASSAY OF MALT BETA-GLUCANASE USING AZO-BARLEY GLUCAN - AN IMPROVED PRECIPITANT [J].
MCCLEARY, BV ;
SHAMEER, I .
JOURNAL OF THE INSTITUTE OF BREWING, 1987, 93 (02) :87-90