สืบค้นงานวิจัย
EARLY PERFORMANCE OF A FEW INDIGENOUS AND EXOTIC CLONES OF HEVEA BRASILIENSIS IN A LARGE SCALE TRIAL
V.C. Mercykutty - ไม่ระบุหน่วยงาน
ชื่อเรื่อง (EN): EARLY PERFORMANCE OF A FEW INDIGENOUS AND EXOTIC CLONES OF HEVEA BRASILIENSIS IN A LARGE SCALE TRIAL
ผู้แต่ง / หัวหน้าโครงการ (EN): V.C. Mercykutty
บทคัดย่อ (EN): A large scale trial, which is the second stage of clone evaluation, was laid out at Central Experiment Station of Rubber Research Institute of India during 1994. Twelve clones consisting of three exotic hybrid clones introduced from Malaysia in 1993 and three hybrid clones and four ortets developed by RRII were evaluated along with RRII 105 and RRIM 600 as controls. Among the 12 clones, the hybrid clone 86/44, recorded the maximum yield potential of 67.17 g/t/t in the BO - 1 panel over six years of tapping. The yield performance of introduced clone RRIM 712 (59.87g/t/t) and 86/120 (54.68g/t/t) were on par with that of RRII 105 (54.0 g/t/t). The highest summer yield was recorded by 86 / 120 (38.31 g/t/t) which was significantly superior to that of RRII 105 (29.64 g/t/t). The clone 86 / 120 showed significantly better girth over both the controls with a mean girth of 60.93cm and maximum tappability of 88. 63 percent. 86/44 recorded 75 percent tappability as against 70 percent recorded for RRII 105. Seven clones recorded latex vessel rows better than that of RRII 105 of which 86/120 showed the highest number of 16.59. Incidence of wind damage and tapping panel dryness was comparatively low in the clone 86/44. 86/120 exhibited less incidence of pink. RRIM 712 was not affected by wind damage. The present investigation indicates possibilities of further yield gain in rubber.
บทคัดย่อ: ไม่พบข้อมูลจากหน่วยงานต้นทาง
ภาษา (EN): en
เผยแพร่โดย (EN): การยางแห่งประเทศไทย
คำสำคัญ (EN): introduced clones
เจ้าของลิขสิทธิ์ (EN): การยางแห่งประเทศไทย
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EARLY PERFORMANCE OF A FEW INDIGENOUS AND EXOTIC CLONES OF HEVEA BRASILIENSIS IN A LARGE SCALE TRIAL
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