สืบค้นงานวิจัย
OPTIMIZED EXPLOITATION SYSTEM FOR VARIOUS RUBBER CLONES
Sumarmadji - ไม่ระบุหน่วยงาน
ชื่อเรื่อง (EN): OPTIMIZED EXPLOITATION SYSTEM FOR VARIOUS RUBBER CLONES
ผู้แต่ง / หัวหน้าโครงการ (EN): Sumarmadji
บทคัดย่อ (EN): Rubber plant productivity directly related to application of exploitation system. Variation of both recommended an promising rubber clones are necessary to implement specific exploitation system which suitable for optimal production and to avoid any incidence of TPD (tapping panel dryness). The results of recent rubber exploitation research are directed for modifying on upward tapping, arranging of length in tapping cut, tapping frequency, and stimulant application. An optimal stimulation technique is necessary to consider respectively in season, dose, frequency, and application technique. The objectives of this trial were to optimize exploitation system for recommended and promising clones in order to optimal production and to prevent from TPD incidence. The trials were carried out in Bandar Betsy and Bandar Bejambu estates, PTP Nusantara III, North Sumatra, by using the nested block design, and with three replications. Treatment factors were 8 tapping systems and 15 recommended and promising clones. Treatments of exploitation system were various in length of cut between 10 cm to ½ S (spiral) in upward and downward directions, d/3 tapping frequency and combined with several techniques of stimulant application. The clones used were BPM 1, BPM 107, BPM 109, IAN 710, PB 255, PB 260, PB 280 , PR 261, RRIC 100, RRIC 102, RRIC 110, RRIM 712, RRIM 717, RRIM 728, and TM 6. The variables observed were rubber production, %- coagulum, dry rubber content, length of tapping cut, total solid contents, stem girth, sum of tapping days, sum of effective trees, and the incidence of TPD. The results showed that the high production clones were BPM 109, RRIC 100, RRIC 110, and PB 255 especially in Bandar betsy estate, while the highest production clones in Bandar Bejambu estate were PB 255, BPM 109, and PB 260. In the both locations, the lowest production clones were PR 261 and TM 6. Optimizing exploitation system for clones’ variation was specifically different, but by using tapping system of ½ S d/3. ET 2.5%. La1.18/y(2w) was generally obtained the highest production in those locations. The incidence of TPD was generally still low (0.5-4.1%) in each exploitation system. The highest TPD incidence (5.7%) was occurred in control tapping system (1/2 S d/2), then decreased to 4.1% in tapping system of ½ S d/3.ET2.5%.La1.18/y(2w), and followed by any others exploitation systems which gradually decreased. TPD incidence in average for variation of tapping systems was under than 3.2%. However, some exception was occurred in clones of RRIC 100 and RRIM 717 which obtained TPD incidence around 5%.
บทคัดย่อ: ไม่พบข้อมูลจากหน่วยงานต้นทาง
ภาษา (EN): en
เผยแพร่โดย (EN): การยางแห่งประเทศไทย
คำสำคัญ (EN): exploitation systems
เจ้าของลิขสิทธิ์ (EN): การยางแห่งประเทศไทย
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Sumarmadji. "OPTIMIZED EXPLOITATION SYSTEM FOR VARIOUS RUBBER CLONES". ไม่ระบุหน่วยงาน. ม.ป.ป.

Sumarmadji. "OPTIMIZED EXPLOITATION SYSTEM FOR VARIOUS RUBBER CLONES". ไม่ระบุหน่วยงาน. ม.ป.ป.. Print.



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OPTIMIZED EXPLOITATION SYSTEM FOR VARIOUS RUBBER CLONES
Sumarmadji
การยางแห่งประเทศไทย
ไม่ระบุวันที่เผยแพร่
Evaluation of some clones (Hevea brasiliensis) in a small scale trial in the southern part of Guatemala Evaluation of Rubber (Hevea brasiliensis) Modern Clones under Certain Stressful Climatic Conditions of Odisha Identification of Rubber Clones (Hevea brasiliensis) Using Inter Simple Sequence Repeat (ISSR) Markers Digital Image Recognition System for Rubber Clones Produced in Malaysia Carbon content in various parts of 5 para rubber clones (Hevea brasiliensis) Construction of Rubber Exploitation System for Shortened Economic Life: Expex-315 Effect of Temperature Constraints on Photosynthesis of Rubber (Hevea brasiliensis) Some Considerations Concerning the Yield Potential of Some Clones (Hevea brasiliensis) DISEASES OF RUBBER (Hevea brasiliensis) IN THE PHILIPPINES, CONTROL AND SCREENING FOR RESISTANCE Latex Harvesting Technologies Adapted to Clones IRCA18, IRCA 111, IRCA 130, PB 235 and PB 260 of Hevea brasiliensis (Rubber Tree) of the Class to Active Metabolism in South-Western Côte d’Ivoire
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