Plant Science and Crop production

GENE: Engine That Drives Plant Breeding


A gene is the molecular unit of heredity of a living organism. It refers to stretches of deoxyribonucleic acids (DNA) and ribonucleic acids (RNA) which code for a polypeptide or for an RNA...

54 pages (16549 words) · Inaugural Lectures · 1 month ago

Effect Of Soil Amendments And Botanicals On The Control Of Leaf Spot Disease Of Eggplant (Solanum gilo RADDI.) In Eggplant And Maize (Zea mays L.) Intercrop In Umudike, Abia State, Nigeria.


The utilization of cultural strategies has been proposed to suppress plant diseases caused by pathogens. In 2019 cropping session, a field trial was laid out in Randomized Complete Block...

83 pages (18318 words) · Theses · 3 months ago

Evaluation Of Cropping Patterns And Weed Control Methods On The Productivity Of Cassava (Manihot esculenta Crantz) In A Cassava/Sweet Potato (Ipomoea batatas (L) Lam.) Intercrop


Field trials were conducted in 2015, 2016 and 2017 cropping seasons at the National Cereal Research Institutes’ farm, (NCRI), Amakama (07˚29′N latitude and 05˚28΄E longitude), South Eastern...

1 page (55042 words) · Dissertations · 4 months ago

CPP221 (Crop Physiology) A


4 pages (1882 words) · Exam Question Papers · 5 months ago

Assessment Of Persistence And Residual Activity Of Indaziflam Used In Weed Control In An Oil Palm Plantation At Nigeria Institute For Oil Palm Research Benin – City Edo State


Residue of some of herbicides in oil palm cropping systems might have negative effects on...

112 pages (29066 words) · Theses · 11 months ago

Studies On The Bacterial Leaf Spot Disease Of Fluted Pumpkin (Telfairia Occidentalis Hook F.) And Control Using Some Agricultural Effluents In Umudike, South Eastern Nigeria


A field trial was conducted in 2017 cropping season at Michael Okpara University of Agriculture, Umudike to test the impact of some agricultural effluents on the control of leaf spot...

1 page (32605 words) · Theses · 1 year ago

Host – Pathogen Relationships And Biological Control Of Some Storage Rots Of Sweetpotato (Ipomea Batatas (L.) Lam) In Ilorin, Kwara State, Nigeria.


Sweetpotato (Ipomoea batatas (L.) Lam) commonly known as Louisiana yam is a member of the family Convolvulaceae (morning glory family) which is made up of 45 genera and 1,000 plant...

176 pages (38768 words) · Theses · 1 year ago

Insecticidal Activities Of Some Medicinal Plant Extracts Against The Whitefly, Bemisia Tabaci (Homoptera: Aleyrodidae) Infesting Orange Fleshed Sweetpotato Umudike, Abia State Nigeria


Field experiment was conducted at National Root Crops Research Institute NRCRI) Umudike Abia State during the 2015 cropping season to determine the efficacy of extracts of Rhizomes of...

38 pages (6981 words) · Projects · 1 year ago

Nematicidal Potential Of Three Plant Materials Against Root-Knot Nematode (Meloidogyne Incognita) Infestation On To Mato (Solanum Lycopersicon)


Pot trial experiment was conducted at the College of Crop and Soil Sciences, Michael Okpara University of Agriculture, Umudike, Abia State, Nigeria between the months of June and October,...

57 pages (10510 words) · Projects · 1 year ago

Relationship Between Weed Flora, Seed Bank To Soil Properties In Fields Dominated By Mimosa In Visa In Edo State


 Mimosa invisa Mart, a semi-perennial leguminous weed is a threat to forest ecosystems, agricultural lands and pastures. Research to reduce the problems caused by this weed is a...

72 pages (15576 words) · Theses · 1 year ago

Influence Of Soil Nutrients And Cropping Systems On Weed Seedbank And Emergence Pattern In South-Eastern Nigeria


 Shifting cultivation is a very important strategy for weed management as it leads to weed reduction. Knowledge of the relationship between weed density, weed seedbank and soil...

96 pages (21934 words) · Theses · 1 year ago

Field Evaluation Of Seed Oils Of Piper Guineense And Jatropha Curcas For The Control Of Ootheca Mutabilis (Sahi.) (Coleoptera: Chrysomelidae). In Umudike, South Eastern Nigeria.


A field experiment was conducted during the 2005-cropping season at Michael Okpara university oF Agricullure, umudIke Research Farm 10 evaluate the seed oils of .Jairopha curcas and l'iper...

43 pages (7473 words) · Projects · 1 year ago

Use Of Trichoderma Harzianum And Plant Materials For The Control Of Root-Knot Nematode (Meloidogyne Sp.) On Cowpea


Screen house and Microplot experiments were conducted to investigate the effects of Trichoderma harzianurn, Ageratum conyzo ides, Manihot esculentus alone and in combination on the control...

83 pages (15602 words) · Projects · 1 year ago

Effect Of Sonic Plant Extracts And Pesticides In The Control Of Bacterial Leaf Blight. Disease Of Colocasla Caused By Xanthomona Campestris In Umudike, Abia State


A pot trial was conducted in the screen house of National Root Crop Research institute (NRCRi), Uniudike to determine the efficacy ol some plant extracts and pesticides in the control of...

49 pages (8056 words) · Projects · 1 year ago

The Efficacy Of Different Parts Of A Medicinal Plant, Lapovtea Aestaus As A Nematicide Against Root Knot Nematode (Melojdogyne Spp) In Eggplant


 A study was carried out to determine the efficacy of leaf, stern and root powder of a medicinal plant Lapovtea aesteus as a nematicide against root knot nernatodes Meioidogyne s1bp)...

26 pages (4274 words) · Projects · 1 year ago

Screening Of Seven Varieties Of Sweet Pepper (Capsicum Annuum L) For Two Bacterial Diseases In Umudike


 A field experiment was conducted during the 2005 cropping season at the Michael Okpara University of Agriculture Screen house. Seven varieties of sweet pepper (capsicum annuum L)...

39 pages (7171 words) · Projects · 1 year ago

Effect Of Cowpea-Turmeric Intercrop On Population Of Major insect Pests Of Cowpea ( Vigna Unguiculata)


Cowpea (Vigna unguiculata L. Waip) is an important grain legume in Nigeria. It is an inexpensive source of vegetable protein. Cowpea production in Nigeria is largely constrained by insect...

62 pages (11255 words) · Projects · 1 year ago

Evaluation Of The Fungitoxic Activity Of Some Phytochemicals On The Causal Agent Of Anthracnose Of Cowpea, Colletotrichum Destructivumo'gara


Three plant materials Carica papaya roots and seed and Piper gilincelise seeds were assayed for phytochemicals. Tests revealed the presence of Alkaloids, Havonoids, Tannins, Saponins,...

81 pages (16180 words) · Theses · 1 year ago

Field Evaluation Of Ageratum Convyzoides (Goat Weed), Ricinus Communis (Castor Seeds), And Allium Sativum (Garlic) Aqueous Extracts On The Control Of Insect Pests Of Cowpea (Vigna Unguiculata (L) Walp.) In Umudike, Abia State, Southeastern Nigeria.


The study was conducted at the humid rainforest zone of South — Eastern Nigerian in Umudike in Abia State, at Michael Okpara University of Agriculture to evaluate, Ageratum conyzoides...

41 pages (7020 words) · Projects · 1 year ago

Evaluation Of Weed Control Methods For Sweetpotato Production On An Ultisol Infested With Panicum Maximum And Mimosa Species


Field experiments were conducted at the eastern farm of the Michael University of Agriculture, Umudike and in a farm at Uyo central in 2007 rainy evaluate the effect of sweetpotatO...

71 pages (14656 words) · Theses · 1 year ago

Effects Of The Root-Knot Nematode (Meloidogyne Inconginita) On The Growth And Yield Of Hausa Potato (Solenosiemon Rotundfolius) Poir And Its Control


A study was conducted to determine the susceptibility of Hausa potato to the rootknot nematode, M incognita and possible control of the disease organism using plant extracts. in the green...

56 pages (9645 words) · Theses · 1 year ago

Effect Of Nitrogen Fertilizer On The Duration Of Weed Interference In Sweetpotato (Ipomoea Batatas [L.] Lam) On An Ultisol At Umudike, South-Eastern Nigeria.


 Field studies were conducted at the Research Farm of the National Root Crops Research Institute (NRCRI) Umudike, in South-eastern Nigeria in the 2005 and 2006 cropping seasons, to...

70 pages (14776 words) · Projects · 1 year ago

Effect Of Aqueous Extracts Of Piper Guineense Schum And Thonn On Some Key Insect Pests Of Cowpea Tn Southeastern Nigeria.


The Study was conducted in the humid rain forest zone of south-eastern Nigeria in two locations viz., Umudike in Abia State, it the Michael Okpara University of Agriculture and Umuagwo in...

96 pages (13746 words) · Theses · 1 year ago

Studies On The Black Pod Disease Of Cocoa Caused By Phythophthora Palmivora In Ikwuano Area Of Aria State


Field surveys were carried out during the 2003/2004 cocoa fruiting seasons in four cocoa producing communities in ikwuano local Government area of Abia Stat to evaluate the incidence and...

61 pages (10004 words) · Theses · 1 year ago
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