2017; Chemical and Biological Sciences 51 (2 (243): 132–134
Shared with The Gufo

EFFICIENT WAYS OF COMBATING AGAINST PEAR PSYLLA

H.R. Harutyunyan*

Received: 2025-03-07 · Published: 2017-06-13

© 2017 The Author(s) and the original publisher.

Licence: as stated by the publisher.
Shared article.
Original title
EFFICIENT WAYS OF COMBATING AGAINST PEAR PSYLLA
Author
H.R. Harutyunyan
Published
2017-06-13
Licence
as stated by the publisher

Abstract

During 2013–2015 the foliage population of trees from different sides with ordinary pear psylla was studied. At the same time based on estimation the population of various parts of trees with this phytophagous has been identified. It was found out that in considerably shadow, poorly illuminated parts (north and west) of pear habitus, the population of plants with psylla has been lower than in eastern and northern parts. Therefore, in the process of undertaking chemical control is important to spray intensively the lower level of pear leaves with working solution.
1 / ? 100% Open in new tab Download Cite

Loading the full text…

Download Follow Updates