Vai Trò Quan Trọng Của Kali Trong Phản Ứng Căng Thẳng Của Cây Trồng

International Journal of Molecular Sciences - Tập 14 Số 4 - Trang 7370-7390
Min Wang1, Qingsong Zheng2, Qirong Shen2, Shiwei Guo2
1Nanjing Agricultural University, Nanjing, China
2Nanjing Agricultural University;

Tóm tắt

Sản xuất nông nghiệp tiếp tục bị hạn chế bởi một số yếu tố sinh vật và phi sinh vật có thể làm giảm số lượng và chất lượng sản lượng cây trồng. Kali (K) là một dưỡng chất thiết yếu ảnh hưởng đến hầu hết các quá trình sinh hóa và sinh lý tác động đến sự phát triển và trao đổi chất của cây trồng. Nó cũng giúp cây sống sót trước các yếu tố căng thẳng sinh vật và phi sinh vật khác nhau. Bài viết này tập trung vào vai trò đang nổi của K trong việc bảo vệ cây trồng chống lại một số yếu tố căng thẳng sinh vật và phi sinh vật, bao gồm bệnh tật, sâu bọ, hạn hán, độ mặn, lạnh, sương giá và ngập úng. Tính khả dụng của K và các tác động của nó đối với sự phát triển, cấu trúc, hình thái và trao đổi chất của cây trồng được thảo luận. Các cơ chế sinh lý và phân tử chức năng của K trong khả năng kháng căng thẳng của cây được xem xét. Bài viết này cũng đánh giá tiềm năng cải thiện khả năng chống chịu căng thẳng của cây trồng thông qua việc điều chỉnh lượng phân kali sử dụng và nêu bật những nhu cầu nghiên cứu trong tương lai về vai trò của K trong nông nghiệp.

Từ khóa


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