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Home > Characterization of Soil and Environmental Factors Conducive for Chickpea Wilt Caused by Fusarium Oxysporum F. Sp. Ciceris Padwick and its Management

Characterization of Soil and Environmental Factors Conducive for Chickpea Wilt Caused by Fusarium Oxysporum F. Sp. Ciceris Padwick and its Management

Thesis Info

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Author

Mehmood, Yasir

Program

PhD

Institute

University of Agriculture

City

Faisalabad

Province

Punjab

Country

Pakistan

Thesis Completing Year

2014

Thesis Completion Status

Completed

Subject

Botany

Language

English

Link

http://prr.hec.gov.pk/jspui/bitstream/123456789/2078/1/2358S.pdf

Added

2021-02-17 19:49:13

Modified

2024-03-24 20:25:49

ARI ID

1676725697464

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Chickpea wilt caused by Fusarium oxysporum f.sp. ciceris (Padwick) is a devastating disease of the chickpea crop throughout the world, wherever, chickpea is grown. Soil / environmental factors play an important role for wilt disease development. For successful and economical management characterization of soil and environmental factors conducive for wilt disease development and identification of resistant sources within available germplasm against wilt disease are very important. Three hundred and eighteen genotypes obtained from various sources were evaluated under sick plot conditions against chickpea wilt disease incidence. The experiment was planted in augmented design with single replication, repeated twice during the years of 2010-11 and 2011-12. Natural inoculums was relied upon for infection based upon a disease rating scale and area under disease progressive curve, only three lines/varieties (5006, k021-10 and k035-10) were found to be highly resistant during the both years of investigation. Most of the lines/varieties were moderately resistant to susceptible (21-50% Disease incidence). A significant co-relation of environmental/ soil variables (i.e. maximum and minimum air temperature, relative humidity, rainfall soil max. /min. temperature and soil moisture) with disease incidence was recorded on 40 chickpea lines. Maximum disease development occurred at temperature range of 23-28 . For the management of chickpea wilt disease fungicides and biological control agents were used both in vitro and glass house assay. In-vitro study showed that Carbendazim proved to be best among the fungicides, while among the bio-control agents Pseudomonas fluorescens was more efficient against Fusarium oxysporum f.sp. ciceris. These treatments also proved effective in glass house by lowering the number of chickpea wilted plants.
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ایڈورڈ براؤن

براؤن، ایڈورڈ

            علمی دنیا میں نئے سال کا سب سے افسوس ناک سانحہ مشہور انگریز مستشرق پروفیسر ایڈورڈ جی براؤن کی وفات ہے، موصوف نے اس مہینہ کے آغاز میں غالباً ساٹھ پینسٹھ سال کی تخمینی عمر میں انتقال کیا، وہ پہلے کیمبرج میں فارسی کے لکچرر تھے، پھر ۱۹۰۲؁ء میں وہ عربی کے پروفیسر مقرر ہوئے، انھوں نے طب کی تعلیم بھی حاصل کی تھی، عربی میں وہ پروفیسر پامر کے شاگرد تھے، ان کی سب سے جامع، مسبوط اور مشہور تصنیف لٹریری ہسٹری آف پرشیا کی ضخیم جلدیں ہیں، موصوف نہ صرف علمی حیثیت سے بلکہ ایک بے تعصب عالم، ایک ہمدرد مشرق اور ایک شریف انسان ہونے کے لحاظ سے بھی نہایت بلند درجہ تھے، قومی تنگ ظرفی اور مذہبی عصبیت سے وہ قطعاً مبرا تھے، ان آنکھوں کو یہ عزت حاصل ہے کہ انھوں نے مرنے والے کی زیارت کی تھی، آئندہ معارف میں ان کے کچھ حالات سپرد قلم ہوں گے، ہندوستان میں ان کو ہم سے بہتر جاننے والے اشخاص بلکہ ان کے شاگرد موجود ہیں، کیا بہتر ہو اگر ان میں سے کوئی صاحب ہماری مدد فرمائیں اور براؤن پر ایک عمدہ مضمون لکھ کر عنایت فرمائیں اور اگر احباب پسند کریں تو معارف کا ایک نمبر صرف براؤن پر شائع کیا جائے کہ ان کے احسانات کا یہ ادنیٰ ترین معاوضہ ہے۔  (سید سليمان ندوی، جنوری ۱۹۲۶ء)

سندھی ہندو سیرت نگار

The people of Sindh throughout history remain always very tolerate with one another personal belief. In this context the first person who write down the biography of Prophet Muhammad (PBUH) in Sindhi language was a Hindu namely Lal chand amr dino mal jugtiani, his book “Muhammad Rasoolullah P.B.U.H.” published in 1911 A.D. He not only written biography but also condemn those prejudice orientalist as well as native masses against their extremes behavior on pious character and caliber of noble Prophet of Islam. He along with other few notable writers namely Jath mal pursaram guljarani “Paighmbar-i- Islam”. Amar lal vasan mal hingorani “Mir Muhammad Arabi” 1947 A.D and an English book translated by Hout chand dial mal jughtyani “Isalm jo Paighabar” 1931 A.D. In this article researcher highlights their work along with their brief life sketch.

Factors Affecting Commitment to Change and its Outcomes Among Public Sector Managers in Pakistan

Commitment to change is considered to be one of most important factors for the successful implementation of change initiatives (Herscovitch & Meyer, 2002). The purpose of the present research was to identify stressors and facilitators that could potentially have a bearing on employees’ commitment to change as well as factors that could mitigate the negative effects of these stressors on commitment to change. The relationship between commitment to change and related behavior is also a focus of the present thesis. A secondary purpose of the present research was also to validate the Herscovitch-Meyer (2002) three component (affective, continuance and normative) model of commitment to change in Pakistan. Survey data were collected from four large Pakistani public sector organizations where organizational restructuring had been initiated, in order to cross validate the research model across multiple samples. The rate of response varied, depending upon the level of support and access provided to the researcher by the respective organizations for data collection. The response rate was 43%, 21%, 28% and 60% for Organization 1, 2, 3, and 4 respectively. For the purpose of data analysis, exploratory and confirmatory factor analysis techniques were employed for validation of the Herscovitch-Meyer (2002) three component model of commitment to change. For testing hypotheses relating to the effect of stressors and facilitators on commitment to change, and for studying the effect of commitment to change dimensions on change related behavior, hierarchical multiple regression technique was used. Moderated multiple regression was used to test the effect of moderators on the relationship between stressors and commitment to change. iHierarchical multiple regression technique was also used to determine the relationship between commitment to change and change related behavior. The results provided support for the three component model despite some issues with the normative commitment to change scale. Job insecurity and role stressors were seen to be potent stressors having a negative relationship with affective and normative commitment to change and a positive relationship with continuance commitment to change. As expected, change related communication, employability and trust found support as facilitators of affective and normative commitment to change while their relationship with continuance commitment to change was observed to be negative. These facilitators were also seen to play a moderating role-albeit with limited support in present samples- in attenuating the negative relationship between stressors and affective/normative commitment to change and the positive relationship between stressors and continuance commitment to change. The present study is important for commitment research as it is an effort towards the identification of factors which may have a bearing upon the employees’ attitude towards commitment to change. For managers, the present study has important implications in terms of creating an organizational climate which minimizes stress and uncertainties. This positive environment can be made possible by ensuring an exchange of communication between decision makers and employees, provision of opportunities for employee development and allowing trust to develop between employer and employees which will have a positive impact on employee commitment to change. The results of the present study provide support for the generalizability of the Herscovitch-Meyer (2002) three component model of commitment to change in Pakistan. iiThere were however some issues concerning the reliability of normative commitment to change items due to which the analyses were performed after the removal of two items. Future research may be conducted on the construct employing cultural based items more suited to the Pakistani context. Future research may also explore the antecedents and consequences of commitment to change, taking stock of the limitations of the present study.