สืบค้นงานวิจัย
EFFECT OF DCA (DOUBLE CUT ALTERNATE TAPPING SYSTEM) ON RENEW BARK AND TPD (TAPPED PANEL DRYNESS) SYMPTOM WITH RRIM 600 CLONE
Pisamai Chantuma - ไม่ระบุหน่วยงาน
ชื่อเรื่อง (EN): EFFECT OF DCA (DOUBLE CUT ALTERNATE TAPPING SYSTEM) ON RENEW BARK AND TPD (TAPPED PANEL DRYNESS) SYMPTOM WITH RRIM 600 CLONE
ผู้แต่ง / หัวหน้าโครงการ (EN): Pisamai Chantuma
บทคัดย่อ (EN): The purpose of this study was to characterize affect of DCA (double cut alternate tapping system) on renew bark and TPD (tapped panel dryness) symptom with RRIM 600 clone. This experiment was set up in Chachoengsao Rubber Research Center since 1999. Experimental design was RCB comprising 4 replications with 6 treatments: 1). S/2 d2, 2). S/3 d2 ET 2.5% 4/y, 3-5). S/2 d3 ET 2.5% 4,6 and 8/y and 6). DCA ((2xS/2 d2 (t,t)). The 2nd phase focus on 11-15th tapping year. The results show yield of DCA and S/3 d2 ET 2.5% 4/y were 1,760 and 1.819 kg/ha/year or higher 12% and 16% than S/2 d2 consequence. However, S/2 d3 ET 2.5% 4-8/y were the highest average yield 36-44% but yield in term of kg/tree/year and kg/ha /year were lower than the others tapping system 15%, according to less tapping days than 32 days in comparison with d2.Over a period of 15 years, compared to single cut tapping system (S/2 d2) of equivalent intensity, DCA increased cumulative rubber production by 10%. DCA, S/2 d2 and S3 d2 ET 2.5% 4/y also resulted in higher TPD rates 33-34% than S/2 d3 ET 2.5% 4, 6 and 8/y which occurrence 19-24%.
บทคัดย่อ: ไม่พบข้อมูลจากหน่วยงานต้นทาง
ภาษา (EN): en
เผยแพร่โดย (EN): การยางแห่งประเทศไทย
คำสำคัญ (EN): yield.
เจ้าของลิขสิทธิ์ (EN): การยางแห่งประเทศไทย
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EFFECT OF DCA (DOUBLE CUT ALTERNATE TAPPING SYSTEM) ON RENEW BARK AND TPD (TAPPED PANEL DRYNESS) SYMPTOM WITH RRIM 600 CLONE
Pisamai Chantuma
การยางแห่งประเทศไทย
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Inheritance of Tapping Panel Dryness (TPD) in a Full-Sib Population of Hevea brasiliensis Rubber Particles Proteins and Sensitivity to the Tapping Panel Dryness at Hevea brasiliensis Association of a Viroid with Tapping Panel Dryness of Hevea brasiliensis and its Molecular Characterization The dynamic system that exists in the sieve tubes of TPD affected trees of Hevea brasiliensis CURRENT STATUS OF TAPPING PANEL DRYNESS IN SOME SRI LANKAN HIGH YIELDING CLONES OF RUBBER AND ASSOCIATED FACTORS Phloic Rays in Hevea brasiliensis with Reference to Tapping Panel Dryness and Yield Stimulation THE “DOUBLE CUT ALTERNATIVE” (DCA) TAPPING SYSTEM: AN INNOVATIVE TAPPING SYSTEM DESIGNED FOR THAI RUBBER SMALLHOLDINGS USING HIGH TAPPING FREQUENCY RESULTS AFTER TEN YEARS OF TAPPING 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 COMPENSATORY TAPPING SYSTEMS TO TAPPERS RARITY APPLIED TO THE CLONE PR 107 OF HEVEA BRASILIENIS (MUELL. ARG.): II EFFECT OF THE NATURE OF THE EXPLOITED BARK AND THE POSITION OF TAPPING PANEL cDNA-AFLP ANALYSIS REVEAIS DIFFERENTIAL GENE EXPRESSION IN BPM 24 CLONE OF HEVEA BRASILIENSIS EXHIBITING TAPPING PANEL DRYNESS (TPD)
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