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Search Results: 1 - 10 of 327608 matches for " F.C. Oad "
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Rice Varietal Screening for Ratoonability
F.C. Oad,Pompe Sta. Cruz
Journal of Applied Sciences , 2002,
Abstract: The field experiment was conducted at Philippine Rice Institute (PhilRice), located at Maligaya Munoz Nueva Ecija, Phillippines. Rice ratooning ability under 10, 20 and 30 cm stubble cutting heights was evaluated on the basis of basal and nodal tillers regeneration, missing hills, ratoon vigor and rating and grain yield. Out of 30 varieties /lines tested only PSBRc8, PSBRc6 and BPIRi10 showed ratooning potentiality in terms of ratoon vigour and rating, basal and nodal tillers regeneration and final grain yield at lower stubble cutting height of 10 cm. It is recommended that for higher ratoon grain yield cutting of stubbles at the 10 cm should be performed.
Yield Potentials of Wheat (Triticum aestivum) Genotypes under Different Planting Times
A. Soomro,F.C. Oad
Journal of Applied Sciences , 2002,
Abstract: The field experiment was conducted at Tandojam, to evaluate the appropriate planting time of various wheat genotypes. It was observed that plant height, yield and yield contributing components were superior when the wheat crop was planted in Mid on November. The late planted crop in December significantly produced less yield and yield components. The optimum planting month observed was November, where most of the wheat genotypes reponded for maximum values. This may be due to favourable climatic conditions for gemination, growth and development. Among the tested cultivars, Sarsabz produced more grain yield as compared to Pavon and TJ-83. Thus, it is recommended that for middle part of Sindh Province, the sowing of wheat crop should be perfomed during the Mid of November where satisfactory yield could be achieved.
Yield Attributes of Conventional Rice Ratoonings and Lock Lodged Ratooning Under Varying Nitrogen Levels
F.C. Oad,Pompe Sta. Cruz
Journal of Applied Sciences , 2001,
Abstract: Increased levels of nitrogen fertilizer showed positive response to {PSBRcB rice variety in Locklodged ratoon (LLR) by increasing tillers, productive, panicle and seed length, and 1000 grain weight. However, in conventional ratooning (CR) nitrogen fertilizer poorly contributed to number of filled spikelets, total tillers, productive tillers. The grain yield was maximum at the fertilizer level of 60 kg-ha applied to LLR. The shortest panicles were recorded in unfertilized plots.
Growth and Chemical Composition of Tobacco Nicotiana tabacum L. under Different Seedling Height
M.H. Siddiqui,F.C. Oad,L. Kumar
Asian Journal of Plant Sciences , 2004,
Abstract: The field experiments were conducted in the farmer`s field at Dudu Chack, Shakar Garh, Narowal, Pakistan to assess the effect and relationship of varying seedling heights (2.5, 5.0, 7.5, 10.0 and 12.0 cm) on tobacco variety Tandojam-1 for growth and yield potentials. The plant height, leaf size, green and cured leaves yields, the nitrogen, nicotinic, chloride, potash and reducing sugars of the leaves were found maximum when seedling height increased linearly from 2.5 to 12.0 cm. The relationship of seedling height was significant and positive with all the growth and chemical parameters. It may be argued that better chemical composition and growth of the cured tobacco leaves may be obtained by transplanting the seedlings at the height of 10.0 to 12.0 cm.
Nitrogen Requirement of Safflower (Carthamus tinctorius L.) for Growth and Yield Traits
M.H. Siddiqui,F.C. Oad
Asian Journal of Plant Sciences , 2006,
Abstract: The field research was conducted to evaluate the appropriate nitrogen levels for growth, seed yield and relationship of plant characters of safflower at Students Farm, Sindh Agriculture University, Tandojam, Pakistan. Nitrogen levels tested were; 0, 30, 60, 80, 120, 150 and 180 kg ha-1. The experiment was conducted in three-replicated Randomized Complete Block Design.The results revealed that all the crop parameters were affected significantly due to different levels of nitrogen. The performance of safflower (cv. Pawari-95) was significantly promising under nitrogen level of 120 kg ha-1 which produced significantly (p<0.01) greater branches (7.33), heavy seed index (38.66 g) and better seed yield (-694.66 kg ha-1) whereas, prolonged maturity days (172), tall plants (165.66 cm), more capsules (45.33) were recorded in the plots treated with 180 kg N ha-1. All the crop parameters were also positively associated w ith the seed yield. Thus, 120 kg N ha-1 was considered as the optimum level for getting maximum seed yield of safflower, further increase in N levels remained uneconomical by producing adverse effects on all crop parameters. It is recommended that safflower crop may be fertilized at the rate of 120 kg N ha-1 where satisfactory seed yield could be achieved.
Economic Contribution of Cropping Sequences with and Without Lock-lodged Rice Ratoon
F.C. Oad,A. A. Lakho,Pompe Sta. Cruz
Journal of Applied Sciences , 2001,
Abstract: Lock-lodged ratoon added grain yield of 3320 kg-ha (p 15770.00) under low costs of added inputs (p 6963.40) with contributed benefits of p 68570.00 within a short period of 60 days. Lock-lodged ratoon separately generated a high worth of p 146.78-ha.-day compared to wet Season Rice(p 98.13) and Dry Season Rice ( 94.53). Economic contribution of lock lodged ratoon crop with cropping sequences gave a net income of p 31539.68 (p 86.41-ha.-day) in the cropping sequences of Wet Season Rice-Lock-Lodged Ratoon- Dray Season Rice. Lock-lodged ratoon may contribute additional benefit of p 15770.00-ha with added cost of p 6963.40-ha compared to lands left fallow after wet Season Rice.
Comparative Studies on Pre-emergence Herbicides Application on the Growth and Yield of Cotton (Gossypium hirsutum L.)
F.C. Oad,M. A. Samo,S. M. Qayyum,N.L. Oad
Asian Journal of Plant Sciences , 2002,
Abstract: The field experiment was conducted to assess the pre-emergence herbicide application on the growth and yield of cotton. Treatments for weed control were herbicides including, Dual Gold 960 EC 2000 ml ha ̄1, Dual Gold 960 EC 2500 ml ha ̄1, Stomp 330 EC 1.25 Lit ha ̄1, Stomp 330 EC 1.50 Lit ha ̄1, Stomp 455 C. S 0.66 Lit ha ̄1, Stomp 455 C.S 1.00 Lit ha ̄1 and control (untreated). Three weed species i.e., broad leaved (locally called Waho, and Naro), grasses (locally called (Sawri, Chabber, Mandhano) and sedges (locally called Kabah) were found in the cotton field. Weed density reduced by 174 percent over untreated control significantly with the application of Stomp 455 C.S 0.66 Lit ha ̄1 as pre-emergence weed control. The greater reduction of weed species resulted taller plants, more fruiting branches, seed cotton weight, and ginning out-turn percentage. Therefore it is concluded that Stomp 455 C.S 0.66 Lit ha ̄1 is an effective pre-emergence weed control treatment for achieving maximum cotton yield and ginning out-turn.
Performance of Aromatic Rice Strains for Growth and Yield Potentials
G.L. Oad,F.C. Oad,A.A. Bhand,M.H. Siddiqui
Asian Journal of Plant Sciences , 2006,
Abstract: The experiment was conducted at Rice research Institute, Dorki, Larkana, Pakistan to evaluate the growth and yield performance of various aromatic strains. The various varieties and crosses were Lateefy, Jajai-77, D. Basmati x Lateefy, IR-8 x Jajai-77 and Bas.-370 x Jajai-77. It was observed that aromatic varieties and their crosses initiated flowering between 73 and 105 days. Among the tested strains, Lateefy, Bas.-370 x Jajai and IR-8 x Jajai-77 recorded minimum (73-77) days to flowering, followed by D. Basmati x Lateefy which took 80 days to flowering. The aromatic rice variety Jajai-77 recorded prolonged (105) flowering days. Maturity days and plant height of the strains also followed the similar pattern, where Jajai-77 showed prolonged maturity days and attained taller plants and recognized as taller or semi dwarf as compared to other rest of varieties and crosses. The grain yields of Lateefy followed by IR-8 x Jajai-77 and D. Basmati x Lateefy were significantly higher than rest of cultivars and crosses. It was concluded that Lateefy aromatic rice had better adoptability in the region by producing satisfactory grain yield.
Screening of Rice Varieties under Deep Water Conditions
G.L. Oad,F.C. Oad,A.A. Bhand,M.H. Siddiqui
Asian Journal of Plant Sciences , 2006,
Abstract: The field study was conducted at Rice Research Institute, Dokri, Larkana, Pakistan to assess the potential deep water rice cultivar. Five cultivars: Kanwal-95, IR-8, DR-82, IR-6 and DR-58 were screened. Kanwal-95 exhibited prolonged flowering and maturity days by recording elongated plants, more tillers and grain yield followed by IR-8 and IR-6 rice cultivars. The rest of cultivars were almost non-significant in growth and yield parameters. The study recommends Kanwal-95 as potential deep water rice cultivar in terms of elongation and grain yield.
Growth and Yield Potentials of Various Pigeonpea (Cajanus cajan L. Millsp) Cultivars
N.M. Soomro,F.C. Oad,G.N. Sohu,N.L. Oad
Journal of Applied Sciences , 2001,
Abstract: The experiment was conducted at Z.A. Bhutto Agricultural College, Dokri Larkana, Sindh, Pakistan in experimental design of RCBD, replicated four times in net plot size of 3m x 5m, where 74078-1, ICPL-4, Local check, ICPL-2, ICPL-6, ICPL-84, T-21, ICPL-150 pigeonpea varieties/lines were planted for growth and yield potentials. Among the tested cultivars ICPL-6 was observed as dwarf and appeared to be superior one by recording maximum branches, having early maturity, and attempted maximum number of pods and seed index. ICPL-6 also proved itself as high yielding pigeonpea cultivar by recording 2166.70kg grain yield-ha. Thus, it is recommended the ICPL-6 pigeonpea cultivar should be grown for early maturity and high potential yield.
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