Relationship of weather parameters and date of showing on vector-borne disease, stem necrosis of potato

Authors

  • MK Meena Research Scholars
  • DL Yadav Assistant Professor
  • PK Meena Research Scholars
  • H Meena -
  • CB Meena -
  • RK Yadav -

DOI:

https://doi.org/10.58628/JAE-2315-108

Keywords:

Potato, stem necrosis, thrips, AUDPC, percent dry matter, tuber yield

Abstract

Stem necrosis is a hot spot disease caused by Tospovirus, a groundnut bud necrosis virus strain for Rajasthan. The minimum per cent incidence (5.56%) of stem necrosis was recorded with the variety Kufri Sindhuri and Kufri Pushkar (7.69%), while the maximum per cent incidence (24.87%) in Kufri Pukhraj and Kufri Bahar (23.75%). Out of three sowing dates, minimum disease incidence was recorded on 3rd planting date. The maximum and minimum temperature was highly significant, with a positive correlation against stem necrosis on the first planting date. A highly significant positive correlation between stem necrosis and the thrips population was detected. The maximum area under the disease progress curve (AUDPC) value was found on 1st date of sowing. The 3rd date of sowing produced the maximum number of tubers per plot, marketable yield and total tuber yield (q/ha). However, the maximum per cent dry matter was recorded in K. Sindhuri (22.27%) and K. Pushkar (21.01%). Thus, the experiment results suggested that the variety of Kufri Sindhuri and Kufri Pushkar with planting in the last week of October caused a significant reduction in stem necrosis disease leading to a corresponding increase in tuber yield of potato.

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Author Biographies

MK Meena, Research Scholars

College of Agriculture, Kota-324001

DL Yadav, Assistant Professor

Plant Pathology, Agricultural Research Station, Agriculture University, Kota-324001 (Raj.) India

PK Meena, Research Scholars

College of Agriculture, Kota-324001

H Meena, -

Agricultural Research Station, Agriculture University, Kota-324001 (Raj.) India

CB Meena, -

Agricultural Research Station, Agriculture University, Kota-324001 (Raj.) India

RK Yadav, -

Agricultural Research Station, Agriculture University, Kota-324001 (Raj.) India

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Published

2023-06-30

How to Cite

MK Meena, DL Yadav, PK Meena, H Meena, CB Meena, & RK Yadav. (2023). Relationship of weather parameters and date of showing on vector-borne disease, stem necrosis of potato. Journal of Agriculture and Ecology, 15(15), 49–54. https://doi.org/10.58628/JAE-2315-108