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Effect of Homepathic Drugs in the Control of Root Rot and Root Knot Diseases and Growth of Crop Plants

Thesis Info

Access Option

External Link

Author

Hanif, Asma

Program

PhD

Institute

University of Karachi

City

Karachi

Province

Sindh

Country

Pakistan

Thesis Completing Year

2018

Thesis Completion Status

Completed

Subject

Plant Pathology

Language

English

Link

http://prr.hec.gov.pk/jspui/bitstream/123456789/10548/1/Asma%20Hanif_Botany_2018_UoK_PRR.pdf

Added

2021-02-17 19:49:13

Modified

2024-03-24 20:25:49

ARI ID

1676725971811

Similar


This study focused on the high temperature tolerance of mungbean varieties using plexiglass canopy to increase the prevailing high temperature. The plant measurements were made for heat induced changes growth, photosynthetic pigments, gas exchange, osmolytes accumulation, oxidative stress and antioxidative response, shoot, root and seed nutrient and yield attributes at different growth stages. Data revealed that heat tolerance in mungbean was variable at three prime foliation and flowering stages. The varieties exhibiting prolific root system and leaf area (e.g., NM-2011 and NM-2006) were more tolerance to heat stress. Heat stress caused the loss of chlorophyll and inhibition of the leaf gas exchange. The tolerant varieties incurred a minimum loss of photosynthetic pigments; more importantly increased carotenoids contents were closely associated to heat tolerance. Among the studied osmolytes, the accumulation of soluble sugars and GB at flowering stage contribute greatly to heat tolerance in the studied varieties. Due to high temperature, the production of hydrogen peroxide (as reactive oxygen species) and malondialdehyde was seen, but the tolerant varieties produced minimum amounts of these oxidative stress metabolites, while the accumulation of phenolics, anthocyanin, and ascorbic acid were able to possibly protect the membrane especially in the tolerant varieties. The success of the tolerant varieties in displaying greater pod growth and seed yield characters appeared to be due maintenance of greater nutrient contents both in the shoot and root tissues especially under excessive high temperature stress. In conclusion, mungbean showed a large genetic variability for tolerance to heat stress at flowering and maturity stages. This implied that the varieties with a tendency to maintain greater nutrient contents was better able to withstand heat stress conditions. Among the studied attributes, the heat stress induced oxidative stress appeared to be a main reason for mungbean susceptibility to high temperature. Future studies will further our understanding on heat tolerance mechanisms and mungbean improvement programs for better growth in warmer areas.
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حکیم شیر محمد شیر

حکیم شیر محمد شیر
حکیم شیر محمد شیر(۱۸۷۴۔۱۹۶۰) داغ دہلوی کے شاگرد اور لسان الاعجاز پنڈت میلا رام وفا کے استاد گرامی تھے۔ اقبال کی طرح آپ بھی خط و کتابت کے ذریعے مرزا خاں داغ دہلوی سے شاعری میں اصلاح لیتے تھے۔ داغ کی وفات کے بعد آپ نے سید احمد حسن میرٹھی کو اپنا کلام دکھانا شروع کر دیا۔ آپ کا کلام ہندوستان کے معروف رسائل میں چھپتا رہا۔ تین ضخیم دیوان لکھے مگر انہیں غربت کی وجہ سے شائع نہ کروا سکے۔ (۱۵۳) شیر نے غزلیں بہت کم لکھی ہیں۔ نظم‘ قصیدہ‘ مرثیہ‘ سلام اور صنف تاریخ کو تو وہ بچوں کا کھیل خیال کرتے تھے۔ بہت کوشش کے باوجود شیر کے مسودات دریافت نہیں ہو سکے۔ ’’سرزمینِ ظفر وال‘‘ کے تذکرے کے ذریعے راقم الحروف نے شیر کا کچھ کلام بازیاب کیا ہے۔ آپ نے اپنی ساری زندگی اپنے آبائی وطن ظفر وال(سیالکوٹ) میں گزاری۔ آپ کے کلام میں دیگر موضوعات کے ساتھ ساتھ مقامیت کے عناصر دیکھے جا سکتے ہیں۔ اس حوالے سے ان کی نظم ’’قصبہ ظفر وال‘‘ ملاحظہ کی جا سکتی ہے۔ اس نظم میں مقامیت کے ساتھ ساتھ ماضی و حال‘ تقسیمِ ہند اور ہندوستانی تہواروں کا ذکر بھی ملتا ہے۔ اس نظم کی زبان بہت سادہ اور سلیس ہے۔ کچھ اشعار ملاحظہ ہوں:
اب ظفر وال ہے شکستہ حال

آ گیا ہے اس آئینہ میں بال
رہ گیا ہے صرف عکس مو اس میں

خوبیاں ہیں نہ خوبرو اس میں
چشمہ مہر میں وہ آب نہیں

خم گردوں میں وہ شراب نہیں
وہ زمیں اب وہ آسمان نہ رہا

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