Multimodel Inference for the Prediction of Disease Symptoms and Yield Loss of Potato in a Two-Year Crop Rotation Experiment

Table 4

Summed weights, 𝑣_𝑗 = Σ𝑤𝑟𝐼𝑗(𝑟), weighted regression coefficients,𝛽_𝑗, and standard errors of 𝛽_𝑗, calculated with (11)–(13) for percentage haulms infected with V. dahliae in the years 1996, 1997, and 1998.

𝑗	Year	1996			1997			1998
	Predictor	𝑣𝑗	𝛽𝑗	se 𝛽𝑗	𝑣𝑗	𝛽𝑗	se 𝛽𝑗	𝑣𝑗	𝛽𝑗	se 𝛽𝑗
1	V. dahliae	1.00	0.35	0.30	0.99	1.19	0.73	1.00	1.27	0.42
2	G. pallida	0.41	−0.02	0.24	0.83	0.00	0.28	0.41	0.02	0.14
3	Trichodoridae	0.30	−0.07	0.40	0.45	0.09	0.38	0.36	0.03	0.34
4	Meloidogyne spp.	0.84	−5.54	1.84	0.40	−0.08	0.38	0.66	−0.38	0.50
5	V. d × G.pal	0.11	−0.01	0.10	0.53	0.31	0.47	0.14	−0.02	0.13
6	V. d × Trichod.	0.08	−0.01	0.20	0.21	−0.26	0.53	0.09	−0.02	0.26
7	V. d × Meloid. spp.	0.23	1.12	1.37	0.21	0.52	0.72	0.23	0.26	0.57
8	pH	0.98	1.11	0.59	1.00	1.03	0.54	0.27	0.06	0.33
9	Water soluble P	1.00	−0.03	0.11	0.24	0.00	0.07	0.47	−0.02	0.09