Abstract
Pear rust: peculiarities of pathogen biology measures for control and profilactic
Highlights
Äîâãîòðèâàë3 îïàäè àáî ÷àñòå äîùóâàííÿ ãðóø3, ïåð3îäè÷íå ï3äâèùåííÿ òåìïåðàòóðè ïîâ3òðÿ, ïðèñêîðþþòü ðîçâèòîê õâîðîáè 3 ñòâîðþþòü ñåðåäîâèùå äëÿ ðîçâèòêó çíà÷íî¿ ê3ëüêîñò3 åöèä3îñïîð íà ãðóø3
Äèíàì3êà ðîçâèòêó õâîðîáè çàëåæèòü â3ä òåìï3â ñïîðîíîøåííÿ áàçèä3îñïîð íà ÿë3âö3 3 ¿õíüîãî ðîçïîâñþäæåííÿ íà ãðóøó, ôîðìóâàííÿ åöèä3¿â 3 äîçð3âàííÿ åöèä3îñïîð íà ãðóø3
Óðàæåííÿ ãðóø3 çáóäíèêîì 3ðæ3 ïî÷èíàoòüñÿ íàâåñí3 ç ðîçâèòêó áàçèä3é 3 äîçð3âàííÿ áàçèä3îñïîð òà ¿õ ðîçñ3þâàííÿ â3òðîì â ðàä3óñ3 40—50 êì íà ð3çí3 îðãàíè ãðóø3
Summary
Õàðàêòåðíà îñîáëèâ3ñòü á3îëîã3¿ çáóäíèêà 3ðæ3 — íåïîâíèé öèêë ðîçâèòêó, ùî ñêëàäàoòüñÿ ç 2-õ ñòàä3é, â ðåçóëüòàò3 ÿêèõ óòâîðþþòüñÿ ñïîðè: òåëåéòîñòàä3¿ íà ÿë3âö3 (óòâîðåííÿ áàçèä3îñïîð) 3 åöèä3îñòàä3¿ (óòâîðåííÿ åöèä3îñïîð) íà ãðóø3. Äèíàì3êà ðîçâèòêó õâîðîáè çàëåæèòü â3ä òåìï3â ñïîðîíîøåííÿ áàçèä3îñïîð íà ÿë3âö3 3 ¿õíüîãî ðîçïîâñþäæåííÿ íà ãðóøó. Ìåòîþ äîñë3äæåíü áóëî ïðîâåäåííÿ àíàë3çó ïîøèðåííÿ, îñîáëèâîñòåé á3îëîã3¿ çáóäíèêà 3ðæ3 — ãðèáà Gymnosporangium sabinae (Dicks.) Wint., äèíàì3êè ðîçâèòêó õâîðîáè, çàõèñíèõ çàõîä3â.
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