大众科技
大衆科技
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DAZHONG KEJI
2011年
12期
152-155
,共4页
任立研%胡忠俊%邓晓玫%王观远
任立研%鬍忠俊%鄧曉玫%王觀遠
임립연%호충준%산효매%왕관원
铬%蔬菜种子%发芽%抑制作用%相关性
鉻%蔬菜種子%髮芽%抑製作用%相關性
락%소채충자%발아%억제작용%상관성
chromium%vegetable seeds%sprout%inhibitory action%pertinence
通过研究不同浓度铬(Cr6+)对叶类蔬菜小白菜、上海青和甜芥菜种子萌发和幼苗生长的影响,得出结论:不同浓度的Cr6+对小白菜种子的萌发、根长和苗高都表现出一定影响,且随浓度的增大,抑制作用逐渐增大;当浓度小于1.0mg/L时,Cr6+对小白菜发芽率、根长和苗高有促进作用,而当浓度小于2.0mg/L时,Cr6+对甜芥菜的发芽率、根长和苗高有促进作用,而当浓度大于2.0mg/L时则表现为抑制作用;Cr6+对上海青的总体影响不是很明显。总的来说,当Cr6+的浓度大于2.0mg/L时,三个实验蔬菜品种的发芽势、发芽率、根长及苗高都受到抑制,Cr6+的抑制作用强弱表现为:小白菜〉甜芥菜〉上海青。
通過研究不同濃度鉻(Cr6+)對葉類蔬菜小白菜、上海青和甜芥菜種子萌髮和幼苗生長的影響,得齣結論:不同濃度的Cr6+對小白菜種子的萌髮、根長和苗高都錶現齣一定影響,且隨濃度的增大,抑製作用逐漸增大;噹濃度小于1.0mg/L時,Cr6+對小白菜髮芽率、根長和苗高有促進作用,而噹濃度小于2.0mg/L時,Cr6+對甜芥菜的髮芽率、根長和苗高有促進作用,而噹濃度大于2.0mg/L時則錶現為抑製作用;Cr6+對上海青的總體影響不是很明顯。總的來說,噹Cr6+的濃度大于2.0mg/L時,三箇實驗蔬菜品種的髮芽勢、髮芽率、根長及苗高都受到抑製,Cr6+的抑製作用彊弱錶現為:小白菜〉甜芥菜〉上海青。
통과연구불동농도락(Cr6+)대협류소채소백채、상해청화첨개채충자맹발화유묘생장적영향,득출결론:불동농도적Cr6+대소백채충자적맹발、근장화묘고도표현출일정영향,차수농도적증대,억제작용축점증대;당농도소우1.0mg/L시,Cr6+대소백채발아솔、근장화묘고유촉진작용,이당농도소우2.0mg/L시,Cr6+대첨개채적발아솔、근장화묘고유촉진작용,이당농도대우2.0mg/L시칙표현위억제작용;Cr6+대상해청적총체영향불시흔명현。총적래설,당Cr6+적농도대우2.0mg/L시,삼개실험소채품충적발아세、발아솔、근장급묘고도수도억제,Cr6+적억제작용강약표현위:소백채〉첨개채〉상해청。
Through the research of influence of different chromium(Cr6+) concentration on seed germination and young seedling growth of leafy vegetables such as the Chinese Cabbage, Shanghai Green and sugared leaf mustard. The result showed that: Different concentration of Cr6+ displays certain influence on Chinese Cabbage seeds' germination, root length and seedling height, along with concentration enlargement, the inhibitory action increases; When concentration is lower than 1.0 mg/L, Cr6+ has the promotion action on Chinese Cabbage's germination percentage, root length and seedling height. When concentration is lower than 2.0 mg/L, Cr6+ has the promotion action on sugared leaf mustard's germination percentage, root length and seedling height. And while concentration is higher than 2.0 mg/L, Cr6+ displays inhibitory action, and influence on Shanghai Green is not obvious. Generally speaking, when Cr6+ concentration is higher than 2.0 mg/L, all three vegetables shows inhibitory action. The Cr6 inhibitory sequence is Chinese Cabbage 〉 Shanghai Blue 〉 sugared leaf mustard .