Host Status of Ornamental Shade Trees and Shrubs to Plant Parasitic Nematodes Cover

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Host Status of Ornamental Shade Trees and Shrubs to Plant Parasitic Nematodes

Journal of Nematology

Volume 56 (2024): Issue 1 (March 2024)

By: T. Benedetti, J. E. Weiland and I. A. Zasada

Open Access

|Jun 2024

Figures & Tables

Meloidogyne incognita galls on Acer campestre roots.

Final Meloidogyne incognita, M_ hapla, and Pratylenchus penetrans densities and reproductive factor (RF)a values in ornamental trees and shrubs_

Host plant	Final population density			RF^a

	*M. incognita*	*M. hapla*	*P. neglectus*	*M. incognita*	*M. hapla*	*P. neglectus*
Acer campestre	85,235 ± 118 b^b	22,524 ± 492 a	12,410 ± 214 c	28 ± 4 b	8 ± 2 a	5 ± 9 cd
Thuja occidentalis	12,013 ± 104 a	36,945 ± 485 a	20,705 ± 627 ab	4 ± 5 a	12 ± 16 a	8 ± 3 d
Buxus sempervirens	16,998 ± 105 ab	13,375 ± 259 a	81 ± 211 a	6 ± 4 ab	5 ± 9 a	0 ± 0 a
Quercus alba	59,708 ± 869 b	30,226 ± 480 a	15,825 ± 357 bc	20 ± 3 b	10 ± 16 a	6 ± 1 cd
Quercus garryana	30,116 ± 362 ab	11,614 ± 175 a	9,926 ± 311 ab	10 ± 1 ab	4 ± 6 a	4 ± 1 bcd
Rhododendron catawbiense	27,448 ± 231 ab	14,335 ± 166 a	3,415 ± 45 b	10 ± 8 ab	5 ± 6 a	1 ± 18 bc
Control^c	831,176 ± 8,044 c	638,805 ± 5,291 b	594,897 ± 3,696 d	277 ± 27 c	213 ± 176 b	238 ± 148 e

Meloidogyne incognita, M_ hapla, and Pratylenchus penetrans densities in soil and roots of ornamental tree and shrub_

Host plant	Number of nematodes recovered from soil			Number of eggs recovered from roots		Number of nematodes recovered from roots

	*M. incognita*	*M. hapla*	*P. neglectus*	*M. incognita*	*M. hapla*	*P. neglectus*
Acer campestre	35,640 ± 425 b^a	17 ± 371 a	8,360 ± 222 b	49,595 ± 869 bc	5628 ± 122 a	4,050 ± 373 c
Thuja occidentalis	11,528 ± 141 a	30 ± 38 a	20,592 ± 627 bc	485 ± 109 a	6,409 ± 70 a	113 ± 15 ab
Buxus sempervirens	13,904 ± 119 ab	11 ± 222 a	0 ± 0 a	3,094 ± 354 b	1,935 ± 37 a	81 ± 21 a
Quercus alba	59,576 ± 868 b	24 ± 383 a	15,004 ± 360 bc	132 ± 14 a	5,938 ± 98 a	821 ± 126 b
Quercus garryana	30,008 ± 362,3 ab	24 ± 383 a	9,856 ± 312 bc	108 ± 14 a	1,660 ± 22 a	80 ± 13 a
Rhododendron catawbiense	23,584 ± 213 ab	13 ± 150 a	3,344 ± 450 b	3,864 ± 334 b	1,311 ± 16 a	71 ± 12 d
Control^b	799,128 ± 8,126 c	561 ± 4,689 b	149,547 ± 18,878 d	32,048 ± 319 c	77,391 ± 659 b	445,350 ± 25,049 d

Host suitability of trees and shrubs seedlings for Meloidogyne incognita, M_ hapla, and Pratylenchus penetrans_

Host plant	Host suitability^a

	*M. incognita*	*M. hapla*	*P. neglectus*
Acer campestre	S	S	MS
Thuja occidentalis	MS	S	S
Buxus sempervirens	S	MS	R
Quercus alba	S	S	S
Quercus garryana	S	MS	MS
Rhododendron catawbiense	S	MS	MS
Control^b	S	S	S

DOI: https://doi.org/10.2478/jofnem-2024-0024 | Journal eISSN: 2640-396X | Journal ISSN: 0022-300X

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Language: English

Submitted on: Dec 7, 2023

Published on: Jun 28, 2024

Published by: Society of Nematologists, Inc.

In partnership with: Paradigm Publishing Services

Publication frequency: 1 issue per year

Keywords:

host-parasitic relationship,

ornamental tree,

root-knot nematodes,

root lesion nematode

Related subjects:

Life sciences, other

© 2024 T. Benedetti, J. E. Weiland, I. A. Zasada, published by Society of Nematologists, Inc.
This work is licensed under the Creative Commons Attribution 4.0 License.

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