สืบค้นงานวิจัย
PHOSPHORUS UPTAKE BY RUBBER (HEVEA BRASILIENSIS) MODIFICATIONS AT THE RHIZOSPHERE FOR IMPROVED UPTAKE
Mercykutty Joseph - ไม่ระบุหน่วยงาน
ชื่อเรื่อง (EN): PHOSPHORUS UPTAKE BY RUBBER (HEVEA BRASILIENSIS) MODIFICATIONS AT THE RHIZOSPHERE FOR IMPROVED UPTAKE
ผู้แต่ง / หัวหน้าโครงการ (EN): Mercykutty Joseph
บทคัดย่อ (EN): Hydroponics and rhizobox experiments were conducted with rubber seedlings to understand the mechanisms of rubber for improved uptake of phosphorus (P) from soil. Root growth of mature rubber roofs trees grown under two P availability situations were also compared. Hydroponics and rhizobox experiments indicated that in P supplied plants. Similarly, in rhizobox plants grown in low P soil, the root area and root length were high in control plants with no P supply compared to plants which received P either through water insoluble or water soluble form of P fertilizer. In the high P soil reverse trend was recorded and P supply through water soluble P further improved the root growth compared to control. Acid phosphatase and alkaline phosphatase enzyme activity was found to be high in P supplied plants. The pH of the nutrient solution were monitored and was negative. The difference was more pronounced in P deficient condition. Root length and root area of mature rubber trees were high under low P availability indicating the specific physical adaptation of increased root growth for increasing the absorbing surface. Root length and root area were high in the control plants compared to P supplied plants. The trend was reverse in the high P situation. AMF infection in the roots of trees grown in the low P and high P soils were also compared. Per cent AMF infection was low in both the locations.
บทคัดย่อ: ไม่พบข้อมูลจากหน่วยงานต้นทาง
ภาษา (EN): en
เผยแพร่โดย (EN): การยางแห่งประเทศไทย
คำสำคัญ (EN): rubber (Hevea brasiliensis)
เจ้าของลิขสิทธิ์ (EN): การยางแห่งประเทศไทย
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PHOSPHORUS UPTAKE BY RUBBER (HEVEA BRASILIENSIS) MODIFICATIONS AT THE RHIZOSPHERE FOR IMPROVED UPTAKE
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