Variability in cold tolerance in Hevea brasiliensis seedlings : Plausible source for crop improvement (Record no. 72080)
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| 000 -LEADER | |
|---|---|
| fixed length control field | 01952nam a2200229Ia 4500 |
| 100 ## - MAIN ENTRY--AUTHOR NAME | |
| Personal name | Ray Debabrata |
| 245 #0 - TITLE STATEMENT | |
| Title | Variability in cold tolerance in Hevea brasiliensis seedlings : Plausible source for crop improvement |
| 260 ## - PUBLICATION, DISTRIBUTION, ETC. (IMPRINT) | |
| Name of publisher | Journal of Plant Biology |
| Year of publication | 2003 |
| 300 ## - PHYSICAL DESCRIPTION | |
| Number of Pages | 19-22 |
| 520 ## - SUMMARY, ETC. | |
| Summary, etc | Hevea brasiliensis, a highly cross-pollinated tree species, produces seeds of diverse genetic constituents. To exploit the readily available genetic variability, seedlings were grown at experimental station in Tripural. Two-month-old seedlings showed distinct variability in growth parameters such as plant height, shoot diameter and leaf expansion rate during winter season. On the basis of these parameters, a few seedlings with variable growth parameters were selected for further studies to evaluate their intrinsic capability to withstand low temperature. High vigor (HV) seedlings recorded significantly higher mean plant height, shoot diameter, leaf expansion rate compared to low vigor (LV) seedlings. Further, the CO2 assimilation rate and stomatal conductance recorded in LV seedlings were 65;and 15;less respectively, compared to HV seedlings. In a separate experiment in vitro, the degradation of chlorophyll was 7;over control in HV types whereas 33;lower in LV types when the excised leaves were exposed to low temperature of 10oC for two days. Low temperature of the same severity and duration had caused 57;and 41;membrane injury in LV and HV plants respectively. In the same experiment, LV seedlings had recorded 54;more anthocyanin accumulation compared to other types. |
| 650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| Topical Term | Anthocyanin accumulation |
| 650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| Topical Term | Chlorophyll degradation |
| 650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| Topical Term | Hevea brasiliensis |
| 650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| Topical Term | Loe temperature tolerance |
| 650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| Topical Term | Membrane damage |
| 650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| Topical Term | Photosynthetic rate |
| 700 ## - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Das Gitali |
| 700 ## - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Dey S K |
| 700 ## - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Raj Shammi |
| 942 ## - ADDED ENTRY ELEMENTS (KOHA) | |
| Koha item type | Journals |
| Withdrawn status | Lost status | Damaged status | Not for loan | Home library | Current library | Shelving location | Date acquired | Serial Enumeration / chronology | Koha item type |
|---|---|---|---|---|---|---|---|---|---|
| Journals | RRII Library | RRII Library | Physiology | 17/12/2021 | Volume 30, Issue 1 | Journals |