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GrainGenes Reference Report: CPR-21-475

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Reference	CPR-21-475
Title	The effects of fungicides on Hagberg falling number and blackpoint in winter wheat
Journal	Crop Protection
Year	2002
Volume	21
Pages	475-487
Author	Dimmock JPRE Gooding MJ
Abstract	Summary: Fungicides applied at flag leaf emergence and again at ear emergence to winter wheat were compared in field experiments between 1998 and 2000. Green area of the flag leaf, grain moisture content (GMC) and mean grain weight (MGW) were assessed weekly during grain filling and senescence. Fungicide-mediated increases in green flag leaf area duration (GFLAD) were associated with increases in GMC and MGW, with interactions between cultivars and years. Hagberg falling number (HFN) was negatively associated with GMC and MGW, although cultivar affected the relationships. Blackpoint was strongly influenced by genotype and closely and positively associated with GMC and MGW in some cultivars. Canopy temperatures were lower in treatments with longer GFLAD and positively correlated with HFN in 1998, but not in 1999 or 2000
Keyword	[ Hide all but 1 of 39 ] alpha-amylase application date canopies canopy canopy temperature content developmental stages discoloration ear-emergence emergence enzyme activity falling number field field experiment fungicide genetic variation genotype grain filling grain moisture content in-field leaf area mean grain weight measurement moisture moisture content pathogenicity plant disease control plant pathogenic fungi seasonal variation seed seed weight senescence strobilurins susceptibility temperature treatment triticum aestivum uk winter

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