Determination of Heat Killing Temperature of Birdsfoot trefoil and Italian ryegrass
Kim, K.Y.;Choi, Y.J.;Rim, Y.W.;Seong, B.R.;Lee, S.J.(National Livestock Research Institute, Suwon, Republic of Korea)E-mail:kimky77@rda.go.kr | Yang, J.S.(Sung Kyun Kwan University, Suwon, Republic of Korea) | Hahn, B.S.;Kim, J.B.(National Institute of Agricultural Biotechnology, Suwon, Republic of Korea) | Lee, B.H.(Gyeongsang National University, Jinju, Republic of Korea)
To determine lethal temperature of birdsfoot trefoil(BFT) and italian ryegrass(IRG) at heat-stressed conditions, seedlings grown in a small pots for 4 weeks were subjected to different temperature regimes of heat treatment. No apparent damage was observed BFT and IRG were treated at 45, 50 or 60℃ for 1h. And also heat treatments at 60, 65 and 70℃ for 1 h, both of them were withered and showed damage symptom on their leaves but it was not lethal conditions for the whole plants. By contrast, most of plants were prominently withered within one day after heat treatment at 80℃/60min.
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