Strategies for Major Genes One gene at a time Gene rotation Gene ...

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Effects of InterplotInterference (uredia/tiller)Isol<strong>at</strong>ed Adjacent tCultivar3x4 m 2x2 m 1/4x1 mL98 1000 500 2300Sultan 750 250 1700Volla 110 40 700Julia 17 12 450Vada 1 15 130Range 1000X 42X 18X
Test with Single Race orMultiple Races?No. races No. ofto which lesionsCultivar resistant per cm 2Zenith 64 2K<strong>at</strong>aktara 55 14Kano 51 40 39Lacrosse 19 66KTH 4 94
Page 1 and 2: Strategies for Major GenesOne gene
Page 3 and 4: Minor Gene Resistance• Often more
Page 5 and 6: Minor Gene ResistanceCommonly only
Page 7 and 8: Barley Stripe RustPop. Size Number
Page 9 and 10: Components of ResistanceLength of l
Page 12 and 13: Can be relatively easy tomaintain m
Page 14 and 15: Use of Top Crosses toMaintain Minor
Page 18: Vertifolia Effect
Page 21 and 22: Lessons:The Vertifolia Effect can b
Page 23: Source: CAST
Page 26 and 27: Molecular Breeding• Biology and e
Page 28: Single Gene at a Time“Use It Till
Page 31 and 32: Mixtures or Blends ofMajor Genes•
Page 33 and 34: Minor Gene Resistance• It’s har
Page 35 and 36: Don’t Forget About IPMPotato late

Strategies for Major Genes One gene at a time Gene rotation Gene ...

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