Utilization of Mushroom Cultivation Discards and Peat as Substrates for Growing Cajanus cajan Seedlings
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摘要: 以不同体积比的菌糠泥炭复合基质,开展3种树豆品种的穴盘育苗试验,结果表明:菌糠泥炭复合基质用于树豆育苗,菌糠体积比低于50%时有利于树豆出苗率的提高,株高、径粗的生长以及干物质量的积累;且当菌糠:泥炭=1:3时,3种树豆出苗率、株高、径粗、干物质量以及壮苗指数等指标均极显著高于对照处理(珍珠岩:泥炭=1:3)。因此建议树豆穴盘育苗基质配方采用菌糠:泥炭=1:3。Abstract: Variously formulated substrates using the discards from mushroom cultivation (MCD) and peat were tested on plug trays to grow seedlings of 3 varieties of Cajanus cajan for the selection of an optimal mixing ratio for the combination medium. It was found that a mixture containing no more than 50% of MCD would promote the increases on the height and girth of the stems, as well as the accumulated dry matters of the seedlings. In the recommended substrate of 1 part of MCD and 3 parts of peat, the Cajanus cajan seedlings sustained significantly higher length and diameter of the stems, as well as dry matter and chlorophyll contents than control, which contained peat and perlite in 3 to 1 ratio.
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Key words:
- Cajanus cajan /
- mushroom cultivation discards /
- substrate /
- seedling growth
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表 1 不同基质配方处理的树豆出苗率
Table 1. Germination rates of Cajanus cajan on various formulated substrates
处理 播种后不同时间的出苗率/% 11 d 12 d 13 d 14 d 15 d F2G1 20.0Aa 48.8Aa 70.1Aa 90.2Aa 93.5Aa F2G2 13.2Bb 41.6Bb 64.0Bb 88.3Bb 90.8Bb F2G3 9.8Cc 36.0Cc 60.5Bb 76.7Cc 88.5Aa F2G4 0.0Ee 18.3Ee 48.4Dd 72.4Dd 84.5Cc F2G5 0.0Ee 18.8Ee 48.1Dd 72.8Dd 86.6Cc F2CK 2.9Dd 24.5Dd 56.1Cc 84.6Bb 89.1Bb F3G1 16.5Aa 44.1Aa 69.7Aa 89.5Aa 92.6Aa F3G2 9.2Bb 39.2Bb 62.8Bb 87.6Aa 90.1Aa F3G3 2.2Cc 28.1Cc 49.9Dd 76.0Cc 87.9Bb F3G4 0.0Dd 15.6Ee 41.7Ee 71.8Dd 87.0Bb F3G5 0.0Dd 13.8Ee 39.5Ee 70.1Dd 86.2Bb F3CK 1.3Cc 19.8Dd 52.8Cc 83.5Bb 88.7Bb T3G1 15.9Aa 45.5Aa 68.3Aa 89.9Aa 93.0Aa T3G2 10.7Bb 40.1Bb 66.7Aa 87.6Aa 91.5Aa T3G3 4.1Cc 25.8Cc 51.7Bb 75.0Cc 87.6Bb T3G4 0.0Ee 16.2Dd 41.1Cc 71.6Dd 85.9Cc T3G5 0.0Ee 17.5Dd 38.6Cc 70.8Dd 84.2Cc T3CK 1.3Dd 22.0Cc 55.0Bb 84.4Bb 89.5Bb 注:同列数据后大写字母表示处理间达1%显著水平,小写字母表示达5%显著水平,表 2、3同。 表 2 不同基质配方处理下树豆农艺性状表现
Table 2. Agronomic traits of Cajanus cajan grown on various formulated substrates
处理 径粗
/mm株高
/cm干物质积
累量/g叶绿素含量/
(mg·g-1)F2G1 2.05Aa 17.04Aa 3.81Aa 36.87Bbc F2G2 2.03Aa 15.18Bb 3.25Bb 37.38Bb F2G3 2.07Aa 14.31Bb 2.71Cc 34.46Bc F2G4 1.84Bb 11.62Cc 1.26Ee 22.37De F2G5 1.84Bb 10.31Cd 1.31Ee 26.09Cd F2CK 1.67Cc 11.93Cc 1.91Dd 41.69Aa F3G1 1.82BCc 14.33Aa 2.81Aa 39.26Aa F3G2 1.96Aa 14.27Aa 2.64Ab 38.86Aa F3G3 2.09Aa 14.08Aa 2.45Bc 31.15Bb F3G4 1.68CDd 11.38Bb 1.29De 18.27Cc F3G5 1.61Dd 10.56Bb 1.32De 20.05Cc F3CK 1.33Ee 11.21Bb 1.51Cd 40.69Aa T3G1 1.79Aa 17.58Aa 2.07Aa 43.26Aa T3G2 1.67ABbc 15.74Bb 1.73Bb 44.09Aa T3G3 1.75Aab 16.04Bb 1.74Bb 30.37Cd T3G4 1.56BCd 14.47Cc 0.88Dd 32.8Cc T3G5 1.48Cd 12.66Dd 0.74Ee 32.47Cc T3CK 1.24De 14.64Cc 1.35Cc 39.91Bb 表 3 不同基质配方处理树豆壮苗指数变化
Table 3. Vigor indices of Cajanus cajan seedlings grown on various formulated substrates
处理 壮苗指数 F2 F3 T3 G1 1.29Aa 1.13Aa 0.68Aa G2 1.15Bb 0.94Bb 0.53Bb G3 0.91Cc 0.79Cc 0.43Cc G4 0.47Ff 0.42Ee 0.24Dd G5 0.61Ee 0.46Ee 0.22Dd CK 0.84Dd 0.67Dd 0.69Aa -
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