Available varieties for the control of rice white-backed planthopper
The varieties that can be used to control rice white-backed planthopper are:
(1) buprofezin. The recommended dose is 7.5-12.5 g active ingredient / mu. The application techniques should be as follows: spraying in the initial stage of brown planthopper, it is best to keep the water layer in the field.
(2) imidacloprid. The recommended dose is 1g / mu of active ingredient. The application technique should be as follows: spraying in the initial stage of brown planthopper.
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Four effective measures to control rice red blight
After a good early growth, rice enters the reproductive growth stage in the middle and later stage. strengthening the field management at this stage is closely related to the yield and quality of rice. So, how to do well the field management in the middle and later stage of rice growth? The main results are as follows: 1. timely roasting should be carried out in the period when rice is not sensitive to water, that is, from late tillering to early panicle differentiation. The following principles should be followed in operation, that is, the seedlings should be roasted early, and those with deep muddy feet should be baked heavier, and vice versa.
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Hualiangyou 1206 [rice]
Source of Hualiangyou 1206: a two-line middle hybrid rice variety bred by Huazhong Agricultural University using "Huazhong 201s" as female parent and "T226" as male parent. It was approved by Hubei crop Variety approval Committee in 2005, and the variety approval number is Eshendao 2005003. Quality and yield: participated in the regional trial of medium rice varieties in Hubei Province from 2003 to 2004. the rice quality was determined by the Food quality Supervision, Inspection and testing Center of the Ministry of Agriculture, the roughness rate was 81.4%, and the head rice rate was 58.8%.
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