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International Journal of Modern Agriculture ISSN 2305-7246

 

 

 

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SCREENING OF DIFFERENT PROMISING LINES OF Brassica napus FOR THE GRAIN SHATTERING TOLERANCE

 

Muhammad Azeem Tariq1 , Tamoor Hussain1*, Mazhar Iqbal1, Nasrullah Khan Aadal1, Muhammad Tariq1 and Muhammad Rizwan2

 

1Barani Agricultural Research Institute, Chakwal, Pakistan

2Department of Plant Breeding and Genetics UCA, University of Sargodha

*Corresponding author (e-mail: saleemkhansaleem90@gmail.com)

 

Abstract

To evaluate ten advanced lines of rapeseeds (Brassica napus L.) against shattering tolerance, a study was carried out in split plot design in the research area of Barani Agricultural Research Institute; Chakwal, Pakistan during two rabi growing season 2011-12 & 2012-13 under rainfed conditions. Main plot was harvested in four different harvesting dates including:  HD1 = Harvesting at physiological maturity of crop, HD2= 10 days after the first harvesting of each advanced line, HD3= 20 days after the first harvesting of each advanced line, HD4= 30 days after the first harvesting of each advanced line. The difference of grain yield of each advanced line in various harvesting dates in comparison to its grain yield in first harvesting date (HD1-HDi) were measured as indices of shattering. Combine analysis of variance of two year revealed that all genotypes were significant different for harvesting date, harvesting date x advanced lines interaction effect and also year and its interaction effects to each studied factors. In the present investigation, the significant difference of genotypes x harvesting dates demonstrated different level of shattering of all advanced lines in different harvesting dates. The quantity of grain yield shattering loss was increased in 3rd and 4th harvesting dates. On the basis of shattering tolerance among all the advanced line 10CBN005 was more tolerant to shattering and 8CBN002 was relatively more susceptible to shattering.

 

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EFFECTIVENESS OF divergent control methods on MANAGEMENT of SUGARCANE STEM borer (Chilo infuscatellus SNELLEN)

 

Muhammad Shahid Nisar1, Sohail Ahmad2, Muhammad Irfan Shabbir1

 

1 Faculty of Agricultural Sciences, Ghazi University, D.G. Khan, Pakistan

2Department of Agricultural Entomology, University of Agriculture, Faisalabad, Pakistan.

*Corresponding author (e-mail: shahidnisar165@hotmail.com)

 Abstract

A comparison of individual control methods and their combination into one model for management of sugarcane stem borer, Chilo infuscatellus Snellen, at Noor Wala 15-km Jampur road, D. G. Khan, Punjab, Pakistan. The methods in the form of treatments (T1  Trash mulching at the time of germination; T2  Collection of egg masses at 15days interval; T3  Removal of dead plant parts at 15days interval; T4  Furadan 3G Application @14kg Acre-1 (1st at germination and 2nd on earthing up; T5  Bio-control agent Trichogramma chilonis @ 30,000 parasitized eggs Acre-1 at 15 days interval from April to onward; T6  T1+T2+T3+T4+T5 (Treatments combination), T7  Control (No treatment) were organized in Randomized Complete Block Design, with three replications on two varieties (BF-162 and CP-43/33). Results showed that combination of methods provided 71.35% and 84.433% protection correspondingly against infestation and internode damage by C. infuscatellus. These protection resulted 369.98% and 44.58% increase in cane yield and sugar recovery respectively over control. The results are compared with earlier studies carried out elsewhere.

 

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INDIVIDUAL AND COMBINED HORMONAL EFFECTS ON POTATO TOWARDS IN-VITRO ELIMINATION OF LEAF ROLL VIRUS

 

Farah Tabassum1, Muhammad Aslam Javed2, Shahid Nazir2*, Rohina Bashir1 and Saleem Akhtar2

 

1Department of Botany, Govt. College University Faisalabad Pakistan

2Agricultural Biotechnology Research Institute, Faisalabad Pakistan

*Corresponding author (e-mail: shahidnazir97@yahoo.com)

 

Abstract

The experiment was performed to study the response of four different growth regulators in special combinations and levels on potato for the elimination of potato leaf roll virus and mass propagation of potato cultivar SH5. Growth regulators IAA, Gibberellic acid, Kinetin and Pantothenic acid were applied in various combinations and concentrations. Nodal cuttings of SH5 were exposed to MS media supplemented with four different treatments of Kinetin and Giberellic acid starting from 0.02 to 1.00 mgL-1 individually. Combination of kinetin and IAA, Pantothenic acid and Gibberellic acid were used in MS media in which level of one hormone was kept constant while other was varied. Maximum number of leaves, nodes and highest shoot length was obtained at 0.04 mgL-1 kinetin + 1.00 mgL-1 of IAA. ELISA test was performed to screen the potato leaf roll virus free potato plants and the results showed that 80% in-vitro developed plants were infection free.

 

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CLUSTER ANALYSIS, GENOTYPIC AND PHENOTYPIC CORRELATION AMONG YIELD CONTRIBUTING TRAITS IN BREAD WHEAT (Triticum aestivum L.) GERMPLASM

 

Arshad Jamil*1, Shahjahan Khan1, Ubaidullah1, Muhammad Zeeshan1, Muhammad Zulfiqar Ali2.

 

1Department of Plant Breeding and Genetics Faculty of Agriculture Gomal University Dera Ismail Khan, Pakistan

2Huazhong Agriculture University, China

*Corresponding author (e-mail: arshadjamil11@hotmail.com)

 

Abstract

Wheat is the world’s second main source of food energy and nutrition. Sixty different genotypes and two bread wheat cultivars i.e. Gomal-08 and Hasham-08 were used in this study. Randomized complete block design (RCBD) with three replications were used. Results showed that Grain yield plant-1 has highly significant positive correlation with days to maturity, number of tillers plant-1, peduncle length, number of grains spike-1 and 1000grains weight, while spikelets spike-1 had significant positive correlation with grain yield plant-1 at both phenotypic and genotypic levels. Significant positive correlation were observed between flag leaf area and grain yield plant-1 at phenotypic level. Grain yield plant-1 showed significant negative correlation with days to 50 % heading and spike density at phenotypic level while the same two parameters had highly significant negative association with grain yield plant-1 at genotypic level. The 60 genotypes were separated into six distinct cluster by keeping 10 as linkage distance. According to this comparison, Cluster-III is important for number of tillers plant-1, plant height, number of spikelets spike-1, grain yield plant-1 and 1000-grain weight because these characters showed their highest value in this cluster. Number of grains spike-1 and spike length showed their highest values in cluster-VI and hence can be preferred for the given parameter. Such study can be helpful in breeding programs for wheat improvement.

 

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