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一、目的掌握我省几个主要小麦品种(郑引一号、七○二三、百泉41、郑州761)的生长发育规律,为看苗管理提供依据。二、基本方法1、定株记载:在高产试验田中选数畦(约一分地),适当加大(扌布)量,出齐苗后人工间苗,使每六平方市尺内多穗型品种有100苗(合每亩10万基本苗)大穗型品种畄140苗(合每亩14万基本苗)在此样段内选定10—15株作上标记,进行定株记载。详细记载各株主茎及较早出现的几个大蘖各叶片
First, the purpose of grasping the growth and development of several major wheat varieties (Zheng cited number one, 7023, Baiquan 41, Zhengzhou 761) in our province to provide the basis for the seedling management. Second, the basic methods 1, Strain record: In the high-yield test field number 畦 (about a minute), the appropriate increase (扌 cloth) amount of artificial seedlings after Qi Miao, so that every six square feet within the multi-spike varieties There are 100 seedlings (together 100,000 mu of basic seedlings per acre) large panicle seedlings 苗 140 seedlings (140,000 basic seedlings per acre) selected in this section of 10-15 strains marked for Dingzhu record. Detailed records of each plant stems and the emergence of several large tillers of the leaves