表1 单株产量(g)的变化情况

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1、表1单株产量（g）的变化情况年份year头季稻再生稻rHLSCVHLSCV199648.5522.7039.034.3211.0718.057.1812.202.5520.900.248199942.7431.6037.272.917.8121.108.8214.613.1221.36-0.014200155.2041.0647.783.216.7217.343.6811.032.8826.11-0.278 表2两季总产显著增产组合的单株产量及其构成因素年份组合季别产量（g/株）比CK±%单株有效

2、穗穗平着粒穗平实粒千粒重（g）两季总产（g/株）比CK±%1996岗优多系1头季稻48.5527.16**9.77197.91175.5926.3262.5521.39**再生稻14.004.8714.9357.8236.9822.42优I多系1头季稻45.5319.25**12.47162.10143.8025.6762.3220.94**再生稻16.7925.77**20.9653.5932.3323.20优I63头季稻47.5524.54**11.40168.00157.8026.6962.

3、2520.80**再生稻14.7010.1121.4352.5833.0022.18D（91）优22头季稻46.0720.67**9.90181.74165.8930.4259.0314.55*再生稻12.96-2.9217.3155.9332.6624.54早显优527头季稻42.4111.0812.27161.60122.8027.9458.7213.95*再生稻16.3122.17*14.6955.8145.6526.40K（19）优63头季稻44.3116.06*11.33152.4113

4、5.2629.5758.2313.00*再生稻13.924.2716.2746.1932.7124.64汕优63（CK）头季稻38.18——11.00173.24147.8528.5351.53——再生稻13.35——21.2746.3021.1323.431999渝（182）优926头季稻37.22-0.0210.87155.26120.3526.9358.328.89*再生稻21.1034.91**18.2848.4744.0026.28渝（182）优99头季稻41.9510.54**11.2

5、0178.28155.9726.7761.9915.74**再生稻20.0428.13**15.2359.7252.8024.60辐优99-7头季稻40.336.27*9.90227.55189.9030.3361.3014.45**再生稻20.9734.08**17.6057.0045.4925.51渝（182）优W-5头季稻42.7412.62**12.50190.76147.2425.8561.2814.41**再生稻18.5418.54*18.8146.5939.7924.77汕优63（C

6、K）头季稻37.95——11.53172.67148.8425.5253.59——再生稻15.64——17.6243.4536.2024.522001D（62）优182头季稻55.1513.92**11.67191.18162.1828.8964.445.60·再生稻9.29-26.33**9.3750.0037.2526.63D（62）优527头季稻55.2014.03**9.80182.65166.0530.5364.545.77·再生稻9.34-25.93**8.1753.5841.8826

7、.76汕优63（CK）头季稻48.41——12.43133.35121.9127.0761.02——再生稻12.61——11.9351.3734.6921.60注：**、*、·分别表示0.01、0.05和0.20的显著标点，下同。表3单株产量的方差分析（均方值）年份季别区组组合P1P2P12误差1996头季稻10.4356.98**131.58**189.37**25.60**9.53再生稻18.13**20.85**34.44**62.41**12.21**2.11两季总产25.6995.81*

8、*89.37**414.08**43.67**16.311999头季稻6.8827.06**26.89**106.5111.20**3.22再生稻6.8430.68**97.81**47.46**16.14**2.48两季总产15.1356.07**182.73**79.19**30.34**5.252001头季稻2.8330.98**150.12**33.03**11.49**3.21再生稻5.21*25.05**63.21**110.01**5.02**0.91两季总产12.7