BIOLOGICAL NEMATICIDES ASSOCIATED WITH POULTRY LITTER IN THE CONTROL OF NEMATODES IN SOYBEAN AND SECOND CORN CROP<sup/>

ROSA, TAYRLEN EDUARDO AMORIM; SOUZA, JEAN CRAMENAK DE; PEREIRA, WELLINGTON JOSÉ; MOREIRA, JANAINA ALVES DE ALMEIDA; ARAÚJO, FERNANDO GODINHO DE

doi:10.1590/1983-21252021v34n309rc

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Article • Rev. Caatinga 34 (3) • Jul-Sep 2021 • https://doi.org/10.1590/1983-21252021v34n309rc copy

BIOLOGICAL NEMATICIDES ASSOCIATED WITH POULTRY LITTER IN THE CONTROL OF NEMATODES IN SOYBEAN AND SECOND CORN CROP¹ 1 Received for publication in 05/05/2020; accepted in 22/04/2021. Paper extracted from the dissertation masters of the first author.

NEMATICIDAS BIOLÓGICOS ASSOCIADOS A CAMA DE FRANGO NO CONTROLE DE NEMATOIDES NA SOJA E MILHO

Authorship SCIMAGO INSTITUTIONS RANKINGS

ABSTRACT

Alternative management measures have been used to reduce nematode population levels in affected areas. In this perspective, the objective was to evaluate the efficiency of nematicides based on fungus and bacterium, associated with poultry litter applied via ground in the management of Pratylenchus brachyurus and Heterodera glycines in soybean and corn crops in succession. The experiment was conducted in the 2018/19 growing season in the municipality of Ipameri– GO (-17°34’55.58”S−48°12’02.35”O) in naturally infested field, arranged in a randomized block design, with 10 treatments and 4 replicates, being: T1- Witness/ control, T2- Poultry litter, T3- P. lilacinum + T. harzianum, T4- B. subtilis + B. licheniformis, T5- P. chlamydosporia, T6- Abamectina, T7- P. lilacinum + T. harzianum + Poultry litter, T8- B. subtilis + B. licheniformis + Poultry litter, T9- P. chlamydosporia + Poultry litter, T10- Abamectina + Poultry litter. The poultry litter was added in the soil 10 days before planting. The plots were composed of 6 lines of 6 m, with a spacing of 0.5 m. In the soybean crop at 45 and 90 days after sowing (DAS), the fresh weight of the roots (MFR), nematological variables and productivity were evaluated. In corn, only nematological variables were evaluated at 60 DAS. The treatments using P. lilacinum + T. harzianum and B. subtillis + B. licheniformes increased the MFR and reduced the number of P. brachyurus and H. glycines at the root. P. chlamydosporia associated with poultry litter increased in productivity in soybean plants.

Keywords:
Glycine max; Zea mays. Soybean Cyst nematode; Root lesion nematode; Biological control; Cultural control.

	Treatments	Doses*
1.	Control	-
2.	Poultry litter	4^ Mg.ha-1.
3.	Purpureocilum lilacinum + Trichoderma harzianum	30 + 15
4.	Bacillus subtilis + Bacillus licheniformis	20 + 20
5.	Pochonia chlamydosporia	56
6.	Abamectina	50
7.	P. lilacinum + T. harzianum + Poultry litter	30 + 15 + 4^ Mg.ha-1.
8.	B. subtilis + B. licheniformis + Poultry litter	20 + 20 + 4^ Mg.ha-1.
9.	P. chlamydosporia + Poultry litter	56 + 4^ Mg.ha-1.
10.	Abamectina + Poultry litter	50 + 4^ Mg.ha-1.

Poultry litter			Soil analysis
Nutrients		Content	Components		Content
K₂O	---%---	3.30	Clay	---g/kg---	550.4
P₂O₅		2.38	Silt		200
N		3.40	Sand		249.6
Ca		2.21	M.O	---%---	6.10
Mg		0.54	V	---%---	72.26
S		0.77	P	-- mg/dm³ --	0.506
B	---mg/kg---	55	K	-- mg/dm³ --	232
Cu		108	Ca	-- cmolc/dm³ --	5.7
Fe		364	Mg		1.8
Mn		328	H+Al		3.1
Zn		310	CTC		11.3
-		-	pH	-- Water --	6.33

	Treatments	Productivity (kg/ha^-1)	Increment/Reduction (%)
1.	Control	1952.0 ab	0
2.	Poultry litter	1853.7 ab	-5.0
3.	P. lilacinum + Trichoderma harzianum	1812.3 ab	-7.1
4.	Bacillus subtilis + Bacillus licheniformis	1725.3 ab	-11.6
5.	Pochonia chlamydosporia	2062.7 b	1.0
6.	Abamectina	1567.0 a	-19.7
7.	P. lilacinum + T. harzianum + poultry litter	1564.5 a	-19.8
8.	B. subtilis + B. licheniformis + poultry litter	1802.6 a	-7.6
9.	P. chlamydosporia + poultry litter	2125.3 b	8.8
10.	Abamectina + poultry litter	1735.9 ab	-11.0
	CV (%)	18.46
	p-Value	0.3102

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[1] *Corresponding author

Soybean 0 DAS	Variation source	Degrees of freedom	Pillai	Approx F num	Df	denDf	p-value
	Treatment	9	0.79989	1.2119	27	90	0.2475
	Residual	30
Soybean 45 DAS	Variation Source	Degrees of freedom	Pillai	Approx F num	Df	denDf	p-value
	Treatment	9	2.3761	1.0402	90	261	0.3987
	Residual	30
Soybean 90 DAS	Variation source	Degrees of freedom	Pillai	Approx F num	Df	denDf	p-value
	Treatment	9	2.5423	1.1417	90	261	0.2114
	Residual	30
Maize 60 DAS	Variation source	Degrees of freedom	Pillai	Approx F num	Df	denDf	p-value
	Treatment	9	2.5317	1.8886	63	210	<0.001
	Residual	30

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BIOLOGICAL NEMATICIDES ASSOCIATED WITH POULTRY LITTER IN THE CONTROL OF NEMATODES IN SOYBEAN AND SECOND CORN CROP1 1 Received for publication in 05/05/2020; accepted in 22/04/2021. Paper extracted from the dissertation masters of the first author.

NEMATICIDAS BIOLÓGICOS ASSOCIADOS A CAMA DE FRANGO NO CONTROLE DE NEMATOIDES NA SOJA E MILHO

ABSTRACT

BIOLOGICAL NEMATICIDES ASSOCIATED WITH POULTRY LITTER IN THE CONTROL OF NEMATODES IN SOYBEAN AND SECOND CORN CROP¹ 1 Received for publication in 05/05/2020; accepted in 22/04/2021. Paper extracted from the dissertation masters of the first author.