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مطالب به یاد ماندنی - آیا میدانید گیاهان نیز هنگام بیماری گریه می کنند؟

آیا میدانید گیاهان نیز هنگام بیماری گریه می کنند؟

سه شنبه 28 خرداد 1392 08:00 ب.ظنویسنده : دانیال دزفولی

 

http://aks.roshd.ir/photos/27.7807.medium.aspx

گیاهان هنگام جراحت از طریق مواد شیمیایی که از ریشه ی آن ها متصاعد میشود؛درخواست کمک می کنند.......... 


 

وقتی که گیاهی مورد هجوم عوامل بیماری زا مانند باکتری های مضر قرار میگیرند برگ های آن به ریشه پیغام میفرستند و در درخواست کمک میکنند تا ریشه اسیدی ترشح کند تا به کمک آن باکتری های سفید به کار گرفته شوند.

 

هارس بیس؛دانش یار علوم خاک وگیاه از دانشگاه دلاور گفت:گیاهان از آن چیزی که تصور می شود عاقل ترند!مردم تصور می کنند که ریشه ی گیاهان در برابر حملات عوامل بیماری زا واکنشی ندارند؛در حالی که تحقیقات جدید نشان میدهد که گیاهان راه هایی برای درخواست کمک از محیط اطراف دارند.

 

گیاهان در این مواقع امواجی با طول موج بلند از برگ به ریشه ارسال میکنند و ریشه با تولید مواد آلی به این درخواست کمک پاسخ میدهد.


آخرین ویرایش: شنبه 1 تیر 1392 08:11 ب.ظ

 
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