马尾藻素泡腾片对中9优115水稻生殖生长及产量的影响

目的]研究在水稻齐穗期喷施马尾藻素泡腾片对水稻生殖生长及产量的影响。方法]以中9优115水稻品种为试材,分别设在水稻齐穗期喷施8 000倍（T1）、10 000倍（T2）、12 000倍（T3）的马尾藻素泡腾片,每隔7 d喷施1次,连续喷施2次,以喷施清水为对照。结果]喷施马尾藻素泡腾片能够促进水稻的生殖生长,增加水稻产量,降低水稻纹枯病发病率。T1处理对水稻生殖生长的促进作用最为明显,成穗率、穗粒数、结实率、千粒重分别比对照增加4.01%、8.06%、6.38%、0.69%,增产10.01%,纹枯病发病率降低74.75%。结论]在水稻齐穗期喷施马尾藻素泡腾片能够促进水稻生殖生长,明显提高水稻产量,对纹枯病的发生有一定的抑制作用。

Effects of Gulfweed Extract Effervescent Tablet on Reproductive Growth and Yield of Rice

Objective]The study aimed to research the effects of spraying gulfweed extract effervescent tablet with different diluted times at full heading stage of rice on the reproductive growth and yield of rice.Method] With the rice variety ZHONG 9 YOU 115 as the test material,the gulfweed extract effervescent tablet treatments were set up as T1(diluted 8 000 times),T2(diluted 10 000 times),T3(diluted 12 000 times).The water was taken as CK.They were applied by spraying at the full heading stage of rice twice eve...