Experiment code 17.3.3.147
Experiment Title Evaluation of okra varieties for their reaction to Okra yellow vein mosaic virus (OYVMV) and whitefly, Bemisia tabaciin polyhouse condition
Research Type Departmental Research
Experiment Background Okra (Abelmoschus esculentus L.), commonly known as bhendi, belongs to the family Malvaceae, is one of the important vegetable crops cultivated throughout India. The production and quality of okra fruits are affected by Okra yellow vein mosaic virus (OYVMV), resulting in significant yield losses especially when it occurs in the early stages of crop growth (up to 94%) OYVMV belongs to the genus Begomovirus of the family Geminiviridae. Geminiviruses make up a large diverse family of plant viruses and cause heavy crop losses worldwide. The disease is characterized by different degrees of chlorosis and yellowing of veins and veinlets, smaller leaves, fewer and smaller fruits and stunting. Among the sucking pests, whitefly, Bemisia tabaci causes economic damage to okra by feeding on phloem sap, there by contaminating leaves and fruits with honey dew that causes sooty mould formation. Besides causing direct damage, it also transmits this important viral disease, resulting in significant yield losses. Efforts were made by number of scientists for identification of resistant sources against OYVMV. Although, several OYVMV resistant okra varieties have been released, but none of them had retained resistance for long. Therefore, the ideal way of controlling this viral disease in okra would be to develop the resistant cultivars against the virus as well as the vector. Hence, the present study will be undertaken to evaluate okra varieties to identify resistant sources against YVMV disease incidence and whitefly vector under polyhouse condition.
Experiment Group Plant Pathology
Unit Type (02)EDUCATION UNIT
Unit (13)ASPEE COLLEGE OF HORTICULTURE (NAVSARI)
Department (226)Plant Pathology,,ACHF, Navsari
BudgetHead (329/12017/00)329/01/REG/00269
Objective

To identify the source of resistant varieties of  Okra (Abelmoschus esculentus L.) against YVMV disease  and whitefly
Season Rabi
Location Unit Type (02)EDUCATION UNIT
Location Unit (13)ASPEE COLLEGE OF HORTICULTURE (NAVSARI)
Location Department (226)Plant Pathology,,ACHF, Navsari
Plot No E-8, RHRS Farm
PI Name (NAU-EMP-1996-000913)PARESHKUMAR RAIYABHAI PATEL
PI Email prp_66@nau.in
PI Mobile 9979761641
Year of Approval 2021
Commencement Year 2021
Completion Year 2023
Design of Experiment

RBD
Crop Spacing (cm x cm)

G1: 40 cm x 30 cm (2 rows on raised bed)

G2: 20 cm x 30 cm (3 rows on raised bed)

(2 rows sowing:  108 plants); (3 rows sowing: 162 plants)
Gross Plot (m x m) 60 X 30
Net Plot (m x m) 60 X 30
Total Experiment Area (m2) 900
Plot History Last Three Year

Yard Long Bean
Initial Soil Sample Analysis Report

NA
Initial Soil Sample Analysis Report Attachment Attachment Not Available!
Layout Plan

NA
Layout Plan Attachment Attachment Not Available!
Treatment

Total 14 varieties

V1: Arka Nikitha

V1: Arka Nikitha

V2: Arka Abhay

V2: Arka Abhay

V3: Pusa A 4

V3: Pusa A 4

V4: Kashi Kranti

V4: Kashi Kranti

V5: Kashi Pragati

V5: Kashi Pragati

V6: Punjab Suhavani

V6: Punjab Suhavani

V7: Phule Utkarsha

V7: Phule Utkarsha
Treatment Attachment Attachment Not Available!
(NAU-EMP-1996-000913) PARESHKUMAR RAIYABHAI PATEL prp_66@nau.in 9979761641 04-12-2021
Active
(NAU-EMP-1989-000922) HARISH VASUDEV PANDYA hvpandya@nau.in 9898460192 04/12/2021
Active
(NAU-EMP-2006-000883) HEMANT RAMNIVAS SHARMA drhsharma@nau.in 9998747306 04/12/2021
Active
(NAU-EMP-2013-000965) SANJEEVKUMAR MILAP CHAND - drsksony@nau.in 9712724384 04/12/2021
Active
Okra Different germplasm
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