Seasonality of the common cutworm Spodoptera litura in a soybean ecosystem

Punithavalli, M.; Sharma, Apurva; Rajkumar, M. Balaji

doi:10.1007/s12600-013-0354-5

Cited by 27 publications

(26 citation statements)

References 16 publications

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“…in which, P = Leaf damaged intensity, ni = Number of damaged leaf with score I, vi = Score i (i: 0-4), Z = The highest score (4), N = Total number of leaves.…”

Section: S Litura Infestationmentioning

confidence: 99%

“…Among the insect pests that attack soybean from the early growth up to harvesting time, armyworm, Spodoptera litura Fabricius (Lepidoptera: Noctuidae) is the major defoliating pest and responsible for huge yield losses [2], [4]. Soybean yield loss caused by S. litura in untreated area was about 68% as compare with the yield in treated area with lambda cyhalothrin [5].…”

Section: Introductionmentioning

confidence: 99%

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Response of soybean genotypes against armyworm,Spodoptera liturabased on no-choice test

Bayu¹,

Krisnawati²,

Adie³

2018

IOP Conf. Ser.: Earth Environ. Sci.

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Abstract.Armyworm is important polyphagous pest causing economic losses in many agricultural crops including soybean. In Indonesia, there are no soybean varieties which indicated had a resistance against armyworm. The experiment was conducted in Laboratory of Entomology and Green House of Indonesian Legumes and Tuber Crops Research Institute from March to April 2016. The experiment was arranged using randomized block design with a total of 18 soybean genotypes as a treatment in three replicates. The results showed that the difference of soybean genotypes had a significant effect on the leaf damaged intensity. Based on no-choice test and the leaves damaged intensity compared

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“…in which, P = Leaf damaged intensity, ni = Number of damaged leaf with score I, vi = Score i (i: 0-4), Z = The highest score (4), N = Total number of leaves.…”

Section: S Litura Infestationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Response of soybean genotypes against armyworm,Spodoptera liturabased on no-choice test

Bayu¹,

Krisnawati²,

Adie³

2018

IOP Conf. Ser.: Earth Environ. Sci.

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“…Similarly, during 2014, the same trend was observed that the more peaks in pheromone trap catches of S. litura in September month were invariably followed by an increase in the number of larvae population and contributed to the outbreak of the pest in the soybean field. Similarly, Punithavalli et al (2013) studied the seasonal occurrence of S. litura in a soybean ecosystem. The peak appearance of egg masses and larvae of S. litura corresponded with the peak activity of male moths recorded during mid-September.…”

Section: Relationship Between Pheromone Trap Catches and Correspondinmentioning

confidence: 99%

Population dynamics of major defoliators (semiloopers and tobacco caterpillar) in soybean crop

Babu

Meena

Dudwal

2016

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A study was carried out to find out the effect of various weather parameters on the occurrence of major defoliators in soybean crop. Semilooper larval population was recorded late July/early August and their peak activity observed during 33-34, 33-36 and 37-39 standard weeks, in 2012, 2013 and 2014, respectively. Among the weather factors, morning relative humidity showed significant (r=0.954) and positively, highly influence on the larval population per mrl whereas evening humidity (r=-0.644) and sunshine hrs (r=-0.367) negatively and significantly influence the larval population per mrl. The various weather parameters significantly caused 92 per cent variations in larval population per mrl. The moth catches of Spodoptera litura increased from late-August to late-September and this trend was almost similar in different kharif seasons observed. Larval population of S. litura positively correlated with pheromone trap catches during 2014.

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“…S. litura attacks soybean leaves and pods which play an important role in the early reproductive phases thus resulted in crop failure. According to Punithavalli et al (2014), in India, S. litura remains active from the end of July to October coinciding with a warm climate and also peak reproductive phases of soybean, causing 26-29% yield losses. Similarly, in Indonesia, armyworm is most abundant during the dry season 2 (June/July -September/October) which soybeans are mostly cultivated, and causing significant yield losses (Marwoto and Suharsono 2008).…”

Section: Introductionmentioning

confidence: 99%

Identification of soybean genotypes based on antixenosis and antibiosis to the armyworm (Spodoptera litura)

2017

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Abstract. Krisnawati A, Bayu MSYI, Adie MM. 2017. Identification of soybean genotypes based on antixenosis and antibiosis to the armyworm (Spodoptera litura). Nusantara Bioscience 9: 164-169. Armyworm (Spodoptera litura F.) is the main soybean leaf-feeding pest in Indonesia. A total of 10 soybean genotypes was identified for its resistance to armyworm through antixenosis and antibiosis tests. Genotype G100H was used as a resistant check. The experiment was conducted from

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Seasonality of the common cutworm Spodoptera litura in a soybean ecosystem

Cited by 27 publications

References 16 publications

Response of soybean genotypes against armyworm,Spodoptera liturabased on no-choice test

Response of soybean genotypes against armyworm,Spodoptera liturabased on no-choice test

Population dynamics of major defoliators (semiloopers and tobacco caterpillar) in soybean crop

Identification of soybean genotypes based on antixenosis and antibiosis to the armyworm (Spodoptera litura)

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