Keywords
Chrysomelinae
Chrysomela populi
Populus nigra
ontogenez
morfologiya
biologiya
G‘arbiy Farg‘ona
How to Cite
Abstract
Mazkur maqolada G‘arbiy Farg‘ona hududida keng tarqalgan Chrysomela populi Linnaeus, 1758 turining tuxum, lichinka, g‘umbak va imago bosqichlari morfologik hamda biologik jihatdan o‘rganildi. Imagolar aprel oyining oxirida Populus nigra L. turidan tutib olinib, ko‘paytirish maqsadida maxsus idishlarga joylashtirildi. Laboratoriya sharoitida o‘tkazilgan kuzatuvlarga ko‘ra, bitta urg‘ochi bir marta qo‘ygan tuxumlar to‘plamidagi tuxumlar soni 54-56 tani tashkil etdi. Turning lichinkalik davri 9-12 kun davom etib, uning uchinchi yoshdagi lichinkalari ozuqa o‘simligiga eng kuchli zarar keltirishi aniqlandi. Olingan natijalar G‘arbiy Farg‘ona mintaqasida ushbu zararkunandaning populyatsiya dinamikasini prognoz qilish va kelgusida unga samarali kurash muddatlarini belgilashda muhim ilmiy asos bo‘lib xizmat qiladi.References
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