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ALFLALFA LONGEVITY AN IPM STRATEGY ALAN GOTLIEB University of Vermont.

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Presentation on theme: "ALFLALFA LONGEVITY AN IPM STRATEGY ALAN GOTLIEB University of Vermont."— Presentation transcript:

1 ALFLALFA LONGEVITY AN IPM STRATEGY ALAN GOTLIEB University of Vermont

2 The MAJOR Problems FusariumFusarium Clover root curculioClover root curculio VerticilliumVerticillium PhytophthoraPhytophthora AphanomycesAphanomyces Winter hardinessWinter hardiness Harvest frequencyHarvest frequency Potato leaf hopperPotato leaf hopper

3 SMOOTH FIELD

4 NOTE ROUGHNESS HERE

5 THINNING FIELD

6 ALFALFA CLOVER ROOT CURCULIO FUSARIUM COMPLEX

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10 CLOVER ROOT CURCULIO

11 SITONA HISPIDULUS

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13 FUSARIUM ROOT ROT

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15 The MAJOR Problems FusariumFusarium Clover root curculioClover root curculio VerticilliumVerticillium PhytophthoraPhytophthora AphanomycesAphanomyces Winter hardinessWinter hardiness Harvest frequencyHarvest frequency Potato leaf hopperPotato leaf hopper

16 Verticillium Wilt

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24 PHYTOPHTHORA ROOT ROT

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26 APHANOMYCESROOTROT

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29 The MAJOR Problems FusariumFusarium Clover root curculioClover root curculio VerticilliumVerticillium PhytophthoraPhytophthora AphanomycesAphanomyces Winter hardinessWinter hardiness Harvest frequencyHarvest frequency Potato leaf hopperPotato leaf hopper

30 Factors That Increase the Risks of Winter Injury in Alfalfa Potato Leafhopper damage

31 STAND LONGEVITY VS HARVEST FREQUENCY

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34 CONTROL ROTATE TWO YEARS MINIMUMROTATE TWO YEARS MINIMUM USE RESISTANT VAR (Fusarium, Verticillium, Phytophthora, Aphanomyces)USE RESISTANT VAR (Fusarium, Verticillium, Phytophthora, Aphanomyces) USE HARDINESS SUITABLE FOR AREA (2 & 3 more northern)USE HARDINESS SUITABLE FOR AREA (2 & 3 more northern) USE 3 CUT HARVEST SYSTEMUSE 3 CUT HARVEST SYSTEM Use leaf hopper resistant varietiesUse leaf hopper resistant varieties

35 The MAJOR Problems FusariumFusarium Clover root curculioClover root curculio VerticilliumVerticillium PhytophthoraPhytophthora AphanomycesAphanomyces Winter hardinessWinter hardiness Harvest frequencyHarvest frequency


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