สืบค้นงานวิจัย
Management of Purple Root Disease of Hevea Seedlings in Nursery
G. C. Mondal - ไม่ระบุหน่วยงาน
ชื่อเรื่อง (EN): Management of Purple Root Disease of Hevea Seedlings in Nursery
ผู้แต่ง / หัวหน้าโครงการ (EN): G. C. Mondal
บทคัดย่อ (EN): A field trial was conducted on one-year-old seedlings of Hevea in nursery during 2004-06 at District Development Centre, Rubber Board, Jengittchakgre, Tura under West Garo Hills District of Meghalaya. The seedling nursery for this experiment was raised in a susceptible pocket at Jenggitchakgre from where the mortality of Hevea seedlings due to purple root disease caused by Helicobasidium compactum Boedijn was above 45% during 1998-2000. The main objective of this experiment was to identify effective and economic control measures for the disease. Efficacy of three systemic fungicides viz. Tridemorph, Propiconazole and Carbendazim was evaluated. In addition to the Bioflora Natural and Fallow Bed for one and two years were also included in this experiment for comparison. Twelve treatments viz. T1 (Untreated control), T2 (Propiconazole 0.1%), T3 (Propiconazole 0.2), T4 (Propiconazole 0.1% alternate with Tridemorph 0.15%), T5 (Tridemorph 0.15%), T6 (Tridemorph 0.3%), T7 (Tridemorph 0.15% alternate with Carbendazim 0.15%), T8 (Carbendazim 0.15%), T9 (Carbendazim 0.3%), T10 (Carbendazim 0.15% alternate with Propiconazole 0.1%), T11 (Bioflora Natural 20 g/bed) and T12 (Fallow Bed for one/two years) were imposed on one-year-old seedling plants in a randomized block design with three replications per treatment in nursery for the management of purple root disease. Out of three systemic fungicides, the efficacy of Propiconazole and Tridemorph was always superior to Carbendazim even at lower concentrations (0.1 to 0.15%) tested for the management of purple root disease in seedling nursery. The treatments with Carbendazim (T8 and T9) reduced the infection of purple root disease to 35.5% and 67.9%m respectively over control indicating that Carbendazim may require some higher strength than the tested concentrations (0.15 and 0.3%) for effective control of the disease. The treatment with Bioflora Natural (T11) and Fallow Beds for one/two years (T12) showed cent per cent reduction of purple root disease over control indicating that these two treatments were very effective in the management of purple root disease of Hevea seedlings in nursery. The cost of all the fungicides and Bioflora Natural at the dosed tested is reported in this paper. Tridemorph (0.15%) is the cheapest systemic fungicide (Rs.1.54 per litre fungicide solution of Rs.2.31 per bed) followed by Bioflora Natural (Rs.4.80 per bed) in the management of purple root disease.
บทคัดย่อ: ไม่พบข้อมูลจากหน่วยงานต้นทาง
ภาษา (EN): en
เผยแพร่โดย (EN): การยางแห่งประเทศไทย
คำสำคัญ (EN): systemic fungicides
เจ้าของลิขสิทธิ์ (EN): การยางแห่งประเทศไทย
หากไม่พบเอกสารฉบับเต็ม (Full Text) โปรดติดต่อหน่วยงานเจ้าของข้อมูล

การอ้างอิง

G. C. Mondal. "Management of Purple Root Disease of Hevea Seedlings in Nursery". ไม่ระบุหน่วยงาน. ม.ป.ป.

G. C. Mondal. "Management of Purple Root Disease of Hevea Seedlings in Nursery". ไม่ระบุหน่วยงาน. ม.ป.ป.. Print.



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Management of Purple Root Disease of Hevea Seedlings in Nursery
G. C. Mondal
การยางแห่งประเทศไทย
ไม่ระบุวันที่เผยแพร่
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