Table 2. Performance of selected alfalfa varieties differing in potato leafhopper resistance. Seeded April 11, 1997 at South Charleston, OH. No insecticide was applied to the trial.

Table 2. Performance of selected alfalfa varieties differing in potato leafhopper resistance. Seeded April 11, 1997 at South Charleston, OH. No insecticide was applied to the trial.

Forage yield (tons dm/acre) PLH

Variety 1997 1998 Injury*

DK131HG 1.76 6.33 3.8

TMF 4355LH 1.64 6.31 3.3

DK121HG 1.17 5.81 4.5

Cleansweep 1.24 5.56 4.9

Trailblazer 1.29 5.47 4.0

5347LH 1.19 5.31 6.1

Arrest 1.22 5.25 4.7

Interceptor 0.85 4.81 7.6

Ameriguard 301 1.05 4.75 5.9

Susceptible check 0.81 5.02 8.1

LSD (0.05) 0.28 0.46 1.4

CV (%) 13.5 5.9 17.6

* Rated from 1 = little or no injury to 9 = severe yellowing and stunting of plants.

	Forage yield (tons dm/acre)	PLH
Variety	1997	1998	Injury*
DK131HG	1.76	6.33	3.8
TMF 4355LH	1.64	6.31	3.3
DK121HG	1.17	5.81	4.5
Cleansweep	1.24	5.56	4.9
Trailblazer	1.29	5.47	4.0
5347LH	1.19	5.31	6.1
Arrest	1.22	5.25	4.7
Interceptor	0.85	4.81	7.6
Ameriguard 301	1.05	4.75	5.9
Susceptible check	0.81	5.02	8.1

LSD (0.05)	0.28	0.46	1.4
CV (%)	13.5	5.9	17.6

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