Screening of some chickpea (Cicer arietinum L.) varieties against Helicoverpa armigera under semi arid climatic conditions

Rehman, Shafiq Ur; Hassan, Muhammad Waqar; Jamil, Moazzam; Akram, Muhammad

doi:10.18805/lr.v0i0.7589

Cited by 2 publications

(4 citation statements)

References 9 publications

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“…The average pod borer infestation range of 33-40 % measured across the three planting periods of 2011A were consistent with findings previously reported in Uganda [30], India and Kenya where Kabuli was similarly found to be highly susceptible to the pod borer than Desi [21,29]. Although a strong positive correlation between pod borer infestation and drought has been reported elsewhere [17], the level of infestation varies across chickpea variety as previously reported by Sarwar [28]. Pest damages have been found proportional to the pest population [31].…”

Section: Discussionsupporting

confidence: 89%

“…Chickpea planted towards the end of the rain season usually coincide with high temperatures associated with the dry conditions that lead to high pest infestation especially the Helicoverpa armigera, which is a very important insect pest in major chickpea growing areas [17,28,29]. The average pod borer infestation range of 33-40 % measured across the three planting periods of 2011A were consistent with findings previously reported in Uganda [30], India and Kenya where Kabuli was similarly found to be highly susceptible to the pod borer than Desi [21,29].…”

Section: Discussionmentioning

confidence: 99%

“…The pod borer and Ascochyta blight attack on chickpea could be avoided if the crop is planted just after the peak rains. Integrating various practices including biological, cultural, varietal resistance and judicial pesticide application has been suggested to be a better strategy to enhance chickpea productivity, especially in areas where the pod borer pest [11,17] and Ascochyta blight are serious problems. The most appropriate planting period for the high agronomic performance of chickpea in the semi-arid area of Uganda and Sub-Saharan Africa in general has not been well studied.…”

Section: Introductionmentioning

confidence: 99%

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Planting Time and Pesticide Application on the Agronomic Performance of Chickpea in Semi-arid Zone, South Western Uganda

Kankwatsa¹,

Muzira²,

Byenkya³

2018

WJAR

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Chickpea (Cicer arietinum L.) is an under-utilised food legume in Uganda with great potential to contribute to household food, nutrition and income security. The objective of this study was to investigate the effects of planting time on the agronomic performance of Desi and Kabuli chickpea genotypes. The study was conducted on-station in Mbarara district during the 2011A,B and 2012A seasons. In the 2011A season, the unusual shorter rainfall and high temperatures favoured high pod borer (Helicoverpa armigera) infestation that resulted in low grain yields (347-521 kg ha-1). In the excessively rainy and cool long 2011B season, chickpea planted before and at the onset of rainfall had high Ascochyta blight plant infection. The highly wet and dry conditions significantly (P ≤ 0.05) reduced the grain yields (400 t ha-1) of chickpea, to below its potential of 1000-3000 kg ha-1. Crops that coincided with well distributed rains alternating with sufficient sunshine (planted in late March 2012A) had higher yields (> 1200 kg ha-1). Yield losses associated with pests and diseases were managed when sowing was done after the peak of the rain season (end of March and October). Therefore, chickpea requires moderately low well distributed rains, with adequate sunny days during the vegetative and reproduction stages for higher grain yields. Integration proper planting time, variety and judicial pesticide application constituted the appropriate strategy for pod borer and Ascochyta blight management for the enhanced chickpea agronomic performance in the South Western Agro Ecological Zone of Uganda.

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Section: Discussionsupporting

confidence: 89%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Planting Time and Pesticide Application on the Agronomic Performance of Chickpea in Semi-arid Zone, South Western Uganda

Kankwatsa¹,

Muzira²,

Byenkya³

2018

WJAR

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“…Damage percentage (infested and unmarketable) plants caused by P. rapae that attacking the tested cabbage cultivars was determined by the direct count at weekly intervals. Damage percentages were estimated by the equations used by Rehman et al (2017) (Darwish et al, 2012). F-test and means were compared according to Duncan's multiple range tests as described by Steel and Torrie (1982).…”

Section: Damage and Yield Loss Caused By Pieris Rapae Lmentioning

confidence: 99%

Seasonal Abundance of the White Butterfly Pieris rapae L. in the old and reclaimed areas with reference to its relative susceptibility and damage to certain cabbage cultivars

Abdel-Galil

Amro

El-Raheem

et al. 2021

SVU-International Journal of Agricultural Sciences

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The main goal of this study was to determine the seasonal abundance of the white butterfly Pieris rapae L. (Lepidoptera: Pieridae) on several local and imported cabbage cultivars in old and reclaimed lands. The impact of certain cabbage metabolites on P. rapae populations was examined, as well as the relative susceptibility of different cabbage cultivars. Damage caused by P. rapae Varies. During the first two months following transplantation, P. rapae can cause economic damage to cabbage plants in both areas. One month later, its population had multiplied several times in the old land. Three of the six tested cabbage cultivars were appeared as susceptible (S) cultivars and harbored high numbers of the pest with an average of 0.63, 0.60 and 0.53 Kenz, Crossina and Ganzory cultivars, respectively. However, the imported white cabbage hybrids, 728, 730 and 747 showed sort of resistance and appeared as low resistant (LR) hybrids and harbored 0.40, 0.41 and 0.45 individuals/plant, respectively. Chlorophyll only showed highly significant negative correlation with P. rapae populations. However, the remaining metabolites showed non-significant positive correlation. In a comparison between P. rapae populations in Assiut (the old area) and El-Fath province (the reclaimed area), it can be note that the pest populations, the damaged (infested and unmarketable) plants were multiplied several times in the later. It can be noted that the general mean of the pest numbers recorded in the reclaimed area (2.14 individuals/plant) was found to equal 4.28 folds more than that recorded in the old area (0.50 individuals/plant).

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Screening of some chickpea (Cicer arietinum L.) varieties against Helicoverpa armigera under semi arid climatic conditions

Cited by 2 publications

References 9 publications

Planting Time and Pesticide Application on the Agronomic Performance of Chickpea in Semi-arid Zone, South Western Uganda

Planting Time and Pesticide Application on the Agronomic Performance of Chickpea in Semi-arid Zone, South Western Uganda

Seasonal Abundance of the White Butterfly Pieris rapae L. in the old and reclaimed areas with reference to its relative susceptibility and damage to certain cabbage cultivars

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