Giáo trình các nguyên lý về bệnh hại cây trồng -chương 5
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Sự xâm nhiễm của mầm bệnh Sau khi tiếp xúc với mặt ngoài của ký chủ, ký sinh bắt đầu tiến hành việc xâm nhập vào trong mô của ký chủ. Ở những cây bị nhiễm bệnh thì quá trình gây bệnh của ký sinh bắt đầu từ thời điểm này. Ký sinh có thể xâm nhiễm được hay không còn tùy thuộc vào các yếu tố như
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Nội dung Text: Giáo trình các nguyên lý về bệnh hại cây trồng -chương 5
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