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Genetic Variability, Heritability and Correlation Studied for Yield and Yield Components in Maize Hybrids

Mohammed Ali Hussain, Zakiya Ahmed Hassan

...sseling (65.83 days) and silking (68.50 days). Hybrid zp-707 x un 44052 was short statured (155.59 cm) with desirable ear height of 62.93 cm. However, maximum leaf area produced by hybrid DK x Hs in both locations with averages 768.56, 670.26 and 719.42 cm2, respectively, while hybrid sangaria recorded maximum value for 300 grains weight 68.16 g and the hybrid IK 8 x zp-707 showed highest rows ear- 1 at both locations and their averages reached 19.33, 17.33 an...
Phenology and Maize Crop Stand in Response to Mulching and Nitrogen Management

Muhammad Ibrahim and Ahmad Khan*

...gical stages (tasseling, silking, and physiological maturity) occurred earlier in no-mulch practice, but emergence in plastic mulching. Plants took less days to emergence (6 days) in 70% FYM, however, tasseling (45 days), silking (49 days) and physiological maturity (94 days) arrived earlier in no-fertilized plots. Tasseling, silking and maturity delayed with increasing urea N proportion i...
Evaluation of Maize Hybrids for Maturity and Related Traits

 Zabih Ullah*, H. Rahman and Niaz Muhammad

...0% anthesis, days to 50% silking, anthesis silking interval, plant height and ear eight. Analysis of variance revealed highly significant differences for all the traits except anthesis silking interval that exhibited non-significant difference among the tested genotypes. Moderate to high broad sense heritability were observed for all the traits. Hybrid, HP1097-21 showed minimum days to tas...
Sowing Dates Effect on Production of High Yielding Maize Varieties

Waqas Liaqat1, Mohammad Akmal1* and Jawad Ali 

...(i.e. days to tasseling, silking & maturity) as well as morphology (i.e. plant height, ear height, including ear length) was affected (p<0.05)by sowing dates. Likewise, yield traits (i.e. rows per ear, grains per ear, thousand grain weight) were also adversely affected by sowing dates, which decreases both biomass and grain yield. Varieties did differ in phenology (i.e. emergence, silking, tasseling, maturity) and mor...

Haq Nawaz Malik*, Iffat Ara**, Muhammad Naeem, Mozammil Hussain, M. Hanif Munawwar and M. Yousaf

...ays to 50% tasseling and silking, plant height, ear height, number of kernel rows per ear, number of grain per row, 100 grain weight, grain moisture and grain yield. The hybrids NT-6622 and NT- 6651 ranked top and second in grain yield by producing 7842 and 7759 kg ha-1, respectively. Generally the hybrids produced more grain yield than the open pollinated varieties. Days to 50% tasseling ranged from 47.33 (EV-1098) to 64 (NT- 6632) while for

 Syed Asif Imran Shah*, Shah Jehan Khan**, Abdul Aziz Baloch*** ,
Obaid Ullah Sayal**, Kalim Ullah* andShujaat Ali**

COMBINING ABILITY ANALYSIS IN VARIOUS INBRED LINES OF MAIZE (ZEA MAYS L.)
...for days -1 -1 -1 to 50% silking, ear length, kernel rows ear , kernels row , kernels ear and grain yield. Mean square values due to general combining ability were -1 highly significant (P≤0.01) for all studied attributes except kernels ear and grain yield. Highly significant variations for specific combining ability of direct and reciprocal effects were observed for all attributes. Azam -1 proved good combiner for days to 50% silki...
Response of Phenology, Growth and Productivity of Maize Hybrids to Integrated Potassium Management

Muhammad Faheem Jan1*, Asad Ali Khan1, Waqas Liaqat1, Haseeb Ahmad1, Muhammad Dawood Ahmadzai1 and Wazir Rehan2 

...to emergence, tasseling, silking, and maturity) and crop growth (single leaf area, leaf area index, and plant height) which resulted in different grain yield. Among hybrids DK-Garanon gave highest value for all the studied parameters as compared to others hybrids. Similarly, in K ratios higher values for the studied traits were recorded in plots which were treated with K 40% from organic (poultry manure) and 60% from inorganic (sulphate of potash) sources. It ...
Evaluation of Maize Hybrids for Yield and Maturity Traits

Masab Umair Khan, Syed Mehar Ali Shah, Hidayat-ur-Rahman, Arshad Iqbal* and Ezaz Aslam 

...ays to anthesis, days to silking, cob length, cob diameter, kernel rows cob-1, 100-kernel weight and grain yield. Among the hybrids, ZH1610 was observed as the earliest maturing hybrid with minimum days to tasseling (91.7), days to anthesis (93.7) and days to silking (96). Hybrid ZH169 showed maximum cob length (19.5 cm) while ZH1621 produced maximum kernel rows cob-1 (15.7). Maximum 100-kernel weight (35.0 g) was recorded f...
Genetic Analysis of Yield and its Contributing Traits in Maize (Zea mays L.)

Abid Ali1*, Hidayat ur Rahman1, Farhatullah1 and Zahir Shah2 

...e inheritance of days to silking, ear leaf area, ear length, stover yield, biological yield and harvest index additive epistasis was involved. Based on the findings from this study, crosses SW-491 × EV-157, EV-157 × SW-491 and EV-157 × EV-120 were recommended for subsequent breeding programs. 

...
Herbicidal Eradication of Weeds in Maize Crop

Iqtidar Hussain1, Haroon Shahzad2*, Sami Ullah2*, Muhammad Jawad Nazir1 and Muhammad Rizwan3

...(%), 50% tasselling, 50% silking, ear height (cm), stem diameter (cm), leaf area (m2), Biological yield (t ha-1), and grain yield (t ha-1), significantly affected by different weed management practices in three maize varieties. Maize variety Afghoiy interacted with Dafli (herbicide) after hand weeding registered the best treatment in all regards. However, Herbicides (Dafli and Xiawang 1X) seemed more effective in weed management over control. Horse purslane (T...
Response of Maize Growth to Phosphorus, Foliar Zinc and its Application Stage

Sajid Ali1*, Shahen Shah2, Muhammad Amin3, Asad Ali Khan2, Sajjad Khan4, Dawood Ahmad5, Faiq Ahmad2, Maaz Khan2, Sikandar Azam1, Siddique Ahmad2 and Bismillah Khan2

...ys to tasseling (54) and silking (55), leaf areaplant-1 (4180 cm2), leaf area index (2.8), plant height (255 cm) and days to harvest maturity (89 were significantly affected when120 kg P ha-1 was applied. Days to tasseling (53), days to silking (55), leaf areaplant-1 (4400 cm2), leaf area index (3.1), plant height (258.6 cm) and days to harvest maturity (89) were significantly affected in plots treated at the rate of 5 kg ha...
Reproductive Characters and Yield of Selected Drought Tolerant Maize Varieties in a Rainforest Agroecology of Nigeria

Ndubuisi Chinedu Adikuru1*, Paul Inyang2, Abraham Agwu Ngwuta1, Chinyere Prisca Anyanwu1 and Rosemond Adaohuru Alagba1

...ime to anthesis, time to silking, interval between anthesis and silking (ASI), time to maturity and time to filling of grains were measured. Other parameters measured were the rows of grain per cob, grains per row, grains per cob, 100 seed weight and grain yield. Results showed difference in the time of occurrence of maize developmental stages (flowering and maturity) between the years (2010 and 2011). This was attributed to...

Pakistan Journal of Agricultural Research

December

Vol.36, Iss. 4, Pages 297-403

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