สืบค้นงานวิจัย
THE YIELD AND LATEX PHYSILOGICAL PARAMETERS ON D3 AND D4 TAPPING SYSTEMS OF PB 260 CLONE AT SOUTHEAST REGION IN VIETNAM
Nguyen Nang - ไม่ระบุหน่วยงาน
ชื่อเรื่อง (EN): THE YIELD AND LATEX PHYSILOGICAL PARAMETERS ON D3 AND D4 TAPPING SYSTEMS OF PB 260 CLONE AT SOUTHEAST REGION IN VIETNAM
ผู้แต่ง / หัวหน้าโครงการ (EN): Nguyen Nang
บทคัดย่อ (EN): A study includes two trials was conducted to examine yield and latex physiological parameters on various tapping systems of d3 and d4 combine with latex stimulation of clone PB 260 at Southeast region, Vietnam, Experiments were carried out at two rubber companies Dau Tieng Rubber Co Ltd and Dong Phu Join stock Rubber Company. Each experiment had 8 treatments involving tapping frequencies of d3 and d4 in combination with 4 stimulated frequencies (0, 4, 6, 8 stimulations per year at DauTieng and 0, 2, 4, 6 stimulations per year at Dong Phu). Result from two trials showed that stimulated tretments produced higher yield (g/t/t: gram/tapping) than non – stimulated treatments. Individual yields (g/t/t) of d4 treatments were higher than those of d3 treatments on both trials ; however the mean yield (Kg/ha/year) over tapping years of d4 was lower than those of d3 because of lesser number of tappings. Remarkably the highest production (kg/ha/year) of d4 treatments was obtained from the treatment combined with 6 rounds of stimulation per year and it was equivalent with those of d3 treatments. The tapping system of d4 saved labour because it had lesser of number of tappings per year than d3. Latex physiological parameters were recorded from all treatments of these trials showed that there was not a different in effect of various tapping systems on activity of the laticiferous system. Rate of tapping panel dryness grew up lightly on all treatments after years of tapping.
บทคัดย่อ: ไม่พบข้อมูลจากหน่วยงานต้นทาง
ภาษา (EN): en
เผยแพร่โดย (EN): การยางแห่งประเทศไทย
คำสำคัญ (EN): latex physiological parameters
เจ้าของลิขสิทธิ์ (EN): การยางแห่งประเทศไทย
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THE YIELD AND LATEX PHYSILOGICAL PARAMETERS ON D3 AND D4 TAPPING SYSTEMS OF PB 260 CLONE AT SOUTHEAST REGION IN VIETNAM
Nguyen Nang
การยางแห่งประเทศไทย
ไม่ระบุวันที่เผยแพร่
INFLUENCES OF LOW FERQUENCY UPWARD TAPPING SYSTEMS ON HEVEA BRASILIENSIS CLONE PB 260 Influence of Various Tapping Systems on Rubber Yield of Two Clones RRIV 3 and PB 260 at South-East Region in Vietnam An insight into laticifers sucrose transporters regulation in relation with the Ethrel-stimulation of latex yield. Effect of fertilization on latex yield potential and physiological parameters of clone PB 217 in Cambodia Impact of The Reduction of The Tapping Frequency On the Agronomic and Physiological Parameters of Clone PB 260 of Hevea brasiliensis in the Centre West of Cote D’ ivoire in Order to Make Up For The Sh Effect of Tapping Systems and Simulation on Clone RRIT 251 Alternative Tapping Systems for RRIC 100 Clone From Opening Long Term Yield Response of Low Frequency Tapping and Yield Stimulation in Clone RRII 105 Preliminary Yield Potential Comparison on ½ S d/3 and ½ S d/4 Tapping Systems of Some Hevea Clones in Cambodia EFFECTIVENESS OF INORGANIC N, P AND K FERTILIZERS ON LATEX YIELD ON RED BASALTIC SOIL IN HIGHLANDS, VIETNAM
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