Biology and reproductive capacity of <i>Spodoptera eridania</i>
               (Cramer) (Lepidoptera, Noctuidae) in different soybean cultivars

Favetti, Bruna Magda; Butnariu, Alessandra Regina; Foerster, Luís Amilton

doi:10.1016/j.rbe.2015.03.002

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Revista Brasileira de Entomologia

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Sumário

Biological Control And Crop Protection • Rev. Bras. entomol. 59 (2) • Apr-Jun 2015 • https://doi.org/10.1016/j.rbe.2015.03.002 copy

Biology and reproductive capacity of Spodoptera eridania (Cramer) (Lepidoptera, Noctuidae) in different soybean cultivars

Authorship SCIMAGO INSTITUTIONS RANKINGS

This study aimed to evaluate the development, survival and reproductive capacity of Spodoptera eridania in four soybean cultivars. The experiment was conducted in the laboratory, in a climatic chamber at 25 °C ± 1 °C, 70 ± 10% relative humidity and 12 h photophase. The cultivars used were: FMT Tabarana, BRS/MT Pintado, FMT Tucunaré and Monsoy 8757, all conventional cultivars with medium cycles. All cultivars tested allowed the development of S. eridania. However, Monsoy 8757 was the cultivar that most affected the prolonged in the duration larval, pupal and total cycle, showed lower pupal weight as well as reduction in the intrinsic rate increase. These results contribute to the management of this species in regions of outbreaks in soybean areas.

Development; Glycine max; Monsoy 8757; Southern armyworms

Cultivars	Duration of immature stages (days)
	Egg^a	Larvae^b	Prepupae^a	Pupa
				Female^b	Male^a
FMT Tabarana	3.2 ± 0.43	15.9 ± 0.70 b	1.0 ± 0.24	10.5 ± 0.63 b	11.4 ± 0.61
BRS/MT Pintado	3.1 ± 0.30	15.0 ± 0.80 c	1.0 ± 0.23	10.5 ± 0.69 b	11.3 ± 0.57
FMT Tucunaré	3.1 ± 0.30	16.4 ± 1.01 b	1.2 ± 0.42	10.6 ± 0.59 b	11.2 ± 0.62
Monsoy 8757	3.2 ± 0.40	18.5 ± 0.93 a	1.1 ± 0.48	11.2 ± 0.46 a	11.8 ± 0.49
H	3.1	129.5	11.2	18.2	16.6
Df	3	3	3	3	3
p	–	<0.05	–	<0.05	>0.05

Cultivars	Pupal weight^a			Deformity pupal (%)	Sex ratio^b
	Mean	Female	Male
FMT Tabarana	0.2509 ± 0.02 a	0.2533 ± 0.02 a	0.2474 ± 0.01 a	6.1	0.59
BRS/MT Pintado	0.2195 ± 0.02 b	0.2296 ± 0.02 b	0.2122 ± 0.02 b	14.2	0.42
FMT Tucunaré	0.1978 ± 0.02 c	0.2079 ± 0.02 c	0.1882 ± 0.02 c	10.6	0.48
Monsoy 8757	0.1723 ± 0.02 d	0.1816 ± 0.02 d	0.1639 ± 0.01 d	0.0	0.42
F	12.0	95.2	39.9	–	–
X ²	–	–	–	–	4.0
Df	3	3	3	–	3
p	<0.05	<0.05	<0.05	–	>0.05

Cultivars	Viability of immature stages (%)
	Egg^a	Larvae^a	Prepupa^a	Pupa^a
FMT Tabarana	43.1 ± 30.97	100.0 ± 0.00	100.0 ± 0.00	93.8 ± 24.22
BRS/MT Pintado	43.0 ± 31.97	100.0 ± 0.00	100.0 ± 0.00	85.7 ± 35.35
FMT Tucunaré	51.1 ± 34.60	95.9 ± 19.99	100.0 ± 0.00	89.3 ± 31.16
Monsoy 8757	53.6 ± 30.14	100.0 ± 0.00	100.0 ± 0.00	100.0 ± 0.00
H	2.0	6.0	0.0	7.7
Df	3	3	3	3
p	>0.05	>0.05	>0.05	>0.05

Cultivars	Longevity^a		Pre-oviposition^a	Oviposition^a	Total cycle^b
	Female	Male
FMT Tabarana	11.0 ± 2.18	13.6 ± 3.99	2.4 ± 0.63	7.7 ± 1.79	30.1 ± 1.08 b
BRS/MT Pintado	10.3 ± 1.91	15.5 ± 0.46	2.4 ± 0.50	7.8 ± 1.52	29.1 ± 1.25 b
FMT Tucunaré	10.1 ± 1.50	14.8 ± 0.44	2.1 ± 0.51	7.2 ± 1.62	30.4 ± 1.16 b
Monsoy 8757	10.8 ± 3.88	17.8 ± 1.48	2.6 ± 0.82	7.6 ± 2.02	33.3 ± 1.06 a
H	1.3	6.4	2.9	1.1	–
F	–	–	–	–	77.0
Df	3	3	3	3	3
p	–	–	–	–	<0.05

Cultivars	No. egg masses^a		Fecundity^a
	Daily	Total	Daily	Total
FMT Tabarana	1.1 ± 0.42	8.8 ± 7.41	263.2 ± 270.69	2338.0 ± 2890.40
BRS/MT Pintado	1.1 ± 0.25	9.7 ± 5.04	261.6 ± 216.76	2478.1 ± 2131.02
FMT Tucunaré	1.2 ± 0.42	11.1 ± 5.88	279.1 ± 274.19	2766.4 ± 2754.52
Monsoy 8757	1.1 ± 0.19	9.1 ± 5.76	211.0 ± 173.61	2034.6 ± 2032.11
H	1.2	1.1	0.3	0.7
Df	3	3	3	3
p	>0.05	>0.05	>0.05	>0.05

Parameters	Cultivars
	FMT Tabarana	BRS/MT Pintado	FMT Tucunaré	Monsoy 8757
Ro	1004.12	587.08	790.81	558.12
T	33.30	32.22	33.52	36.89
r _m	0.21	0.20	0.20	0.17
λ	1.23	1.21	1.22	1.18

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[1] *Corresponding author. E-mail: favettibruna@yahoo.com.br (B.M. Favetti). Associate Editor: Daniel Sosa-Gomez