To understand the pathogenic variability of Nepalese isolates of Pyricularia grisea pathogenic to finger millet and their differential interaction with this millet exotic lines and landraces, an experiment was conducted at Institute of Agriculture and Animal Sciences (IAAS), Rampur, Chitwan during August to October, 2008. Five Pyricularia isolates collected from Lumle, Pokhara, Gulmi, Kabre and Rampur were tested with five landraces Acc#4337, Acc#6202, Acc#456, KLB#184, Kabre and four exotic lines, PR#202, HR#911, SPFM#K2, and GPU#48 which have been used in national finger millet research programme by Hill Crop Research Programme (HCRP), Kabre, Dolakha. The experiment was laid out in 5x 9 factorial completely randomized designs with 4 replications in screen house. Eighteen-day-old seedlings grown in earthen pots were inoculated with a Pyricularia spore suspension (105ml-1) with the hand sprayer. Disease assessment was done in five days after inoculation. The aggressiveness of the isolates was noticed maximum in Pokhara and minimum in Gulmi isolates. Considerable pathogenic variations among the tested isolates were observed, however, no clear cut differential interactions were noticed in the interaction. The exotic lines showed comparatively resistant against the fungus reaction than the landraces. Among the tested lines Gpu#48, showed resistant reaction and Acc#4337 showed susceptible reaction in artificial inoculation. DOI: http://dx.doi.org/10.3126/njst.v14i2.10411 Nepal Journal of Science and Technology Vol. 14, No. 2 (2013) 17-24
Background: Skin diseases are the major cause of out-patient visit in Nepal. Department of Health Services, Nepal ranks skin diseases as fourth common cause of out-patient visit throughout the country. The objective of the study was to determine the pattern of different skin diseases in Himalayan region of Nepal.Material and methods: A cross sectional descriptive study design was conducted in a health camp setting in which 148 community people visited the camp with dermatological diseases. Information about socio-demographic and dermatological diseases were collected with a structured performa.Results: The most common primary diagnosis was pigmentary anomaly (20.3%) followed by Eczemas (18.9%), Superficial mycoses (10.8%), and acne (10.1%). In all skin diseases male were more affected as compared to female.Conclusions: The dermatoses of Himalayan region are pigmentary anomalies being most common, followed by eczemas, superficial mycoses, acne, photodermatoses, scabies, urticaria, benign tumours and pyodermas.Nepal Journal of Dermatology, Venereology & Leprology, Vol.14(1) 2016, pp.25-28
Integrated management strategies are required to minimize botrytis grey mold disease of chickpea (CICER ARIETINUM L.) caused by Botrytis cineria. This study was undertaken to determine the effect of cultivars and seed ratio in chickpea-mustard intercropping system on the severity of botrytis grey mold. Three chickpea varieties Abarodhi, KGP59 and ICCCV 97207 were intercropped with Bikash variety of mustard in different combinations. These two crops were grown at RARS, Khajura in three replications in 2012 at the ratio of sole chickpea, 3.1 ICCV97207.Bikash, 3.1 KPG-59.Bikash, 2.1 KPG59.Bikash, 2.1 ICCV-97207.Bikash,2.2 ICCV97207.Bikash, 2.2 KPG-59.Bikash,1.2 ICCV97207.Bikash, and 1.2 KPG 59.Bikash. Among the three tested varieties, highest disease score and AUDPC was recorded in Abarodhi (7.00, 0.83), followed by KPG59 (6.444, 0.79), and lowest in ICCV97207 (4.77, 0.58). Similarly in sole cropping, highest yield per plant was found in KPG59 (5.47g), followed by ICCCV9720 (4.46 g) and Abarodhi (3.46 g). Among the tested intercropping system, lowest disease incidence was recorded in 1.2 ICCV97207. Bikas followed by 1.2 KPG59. Bikash. From this research, it can be suggested that intercropping chickpea with mustard can significantly reduce BG of chickpea and thus it could be developed into an environment-friendly cropping system for BG control in chickpea fields. The combination, in which disease incidence was lowest, can be replicated in the areas where BG is a major constraint in chickpea production.
On-farm studies were carried out at Dukuchhap, (1100-1500 m), Lalitpur, an Outreach Research Site of Khumaltar complex during 2006-2007 full season maize growing (May-Sep). The study consisted of comparison among grain yield, and agronomic attributes between Manakamana-3, an improved OPV and Local Thulo Seto maize varieties. Field surveys were conducted to gather information on aforesaid attributes of these maize varieties. In 2006, data were recorded from 265 plants for Local Thulo Seto and 131 plants from different fields for Manakamana-3 while in 2007 they were recorded from 180 plants for both varieties. The result of the study revealed that both of these varieties were comparable for grain yield and ear length. However, combined analysis over years for plant and ear height, ear fill, and ear circumference showed a highly significant result. It was also recorded that plant height, ear height and ear filled remained dynamic between these varieties over years. Plant height of Local Thulo Seto was exceptionally tall up to 364 cm compared to Manakamana-3 which attained a plant height up to 241 cm. The most important yield parameter of grain weight/ear was not affected due to years and varieties. Bivariate relationship among grain yield and agronomic attributes showed that grain weight/ear was highly correlated with ear length (r=0.73**), ear fill (r=0.75**), and ear circumference (r=0.63**). Ear height was not correlated with grain yield. It was also observed that plant height has a negative relationship with grain yield and ear attributes except for ear height which was positively correlated with plant height. Maize variety Thulo Seto is popular in Dukuchhap where area coverage of this variety is more than 80% in the locality. There is a serious limitation of this variety at Dukuchhap because of stalk lodging which was severe in 2006 as a result around 80% plants have the problem of stalk lodging. Farmers preferred this variety because it is resistant to early drought which is another problem for maize growing at Dukuchhap. Therefore, if we improve population of Thulo Seto in farmers' field and reduce plant height of this variety by way of population improvement there is no need of introducing new varieties of maize in immediate future at Dukuchhap and similar domain in Lalitpur.
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