为了筛选辣椒的最适育苗基质配方，选取椰糠、棉籽壳、麸皮及草炭分别与发酵床养猪垫料混合配制育苗基质，通过提取基质浸提液，检测其对辣椒种子萌发情况，筛选适宜原料；并通过穴盘育苗检测确定适宜的基质配方。结果表明：最为适宜的原料为椰糠，辣椒种子发芽率均在85%以上，且略优于草炭对照(P＜0.05)。最适宜的基质配方为垫料:椰糠=3:7（体积比），辣椒种苗出苗率达95.33%，成苗率达88.46%，与草炭对照差异不显著(P＞0.05)；苗高、茎粗、根长、叶片数、整株鲜重、地上部分鲜重、地下部分鲜重均显著优于草炭基质和其他处理组(P＜0.05)。
Abstract
The paper aims to screen the best formula of the chili seedling substrates. The chili seedling substrates were prepared by mixing the pig-breeding litters from a microbial fermentation bed with coconut coirs, cottonseed hulls, wheat brans, and peats, respectively; subsequently, the water extracts of these substrates were separately detected their effects on chili seed germination and seedling growth to screen the suitable raw materials; finally, the plug-seedling tests were performed to determine the best formula of the chili seedling substrates. The results indicated that: the best raw material was coconut coir and its germination rate could reach up to 85%, and slightly better than contrast (P<0.05); the best substrate formula was litter: coconut coir=3:7 (V/V); the emergence rate and survivor rate could reach up to 95.33% and 88.46%, moreover, the seedling height, root length, leaf number, the stem diameter, fresh weight of whole plant/underground par/ aboveground part were all significantly higher than controls and other treatment groups (P<0.05).
关键词
微生物发酵床养猪垫料;育苗基质;种子发芽
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Key words
microbial fermentation bedding;Nursery substrates; seeds germination;
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