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在毛主席革命路线的指引下,我们科技人员走出去与工农兵相结合,坚持开门办科研。通过调查,了解到当前大豆生产中,由于大豆菟丝子的危害,影响了大豆的产量。我们采用了科研、教学、使用三结合的方法,开展豆田化学除草的研究工作,在较短的时间内,认识了菟丝子的生物学特性和初步掌握了几种除草剂的使用技术。菟丝子是旋花科的一年生寄生性恶性杂草。在我国有四种以上,其中危害最重分布最广的是中国菟丝子(Crtscrrta chinensis L.)和日本菟丝子(C.japonica Choisy.)。这两种的主要区别为:中国菟丝子的茎较细,花多数,簇生,花冠白色,花柱有两个。日本菟丝子茎较粗壮,常带紫红色瘤状斑点,花序为穗状,花冠绿白色,花柱合生为一,柱头二裂(图1,2)。
Under the guidance of Chairman Mao’s revolutionary line, our scientific and technical personnel went out to combine with the workers, peasants and soldiers and insisted on opening a door for conducting scientific research. Through the survey, I learned that the current soybean production, due to the hazards of soybean dodder, affecting soybean production. We adopted the scientific research, teaching, the use of three combinations of methods to carry out chemical weed farming soybean research, in a relatively short period of time, to understand the biological characteristics of dodder and preliminary mastered the use of several herbicides. Dodder is an annual annual Convolvulaceae parasitic malignant weeds. There are more than four kinds in our country, among which the most harmful are the most widely distributed Crtscrrta chinensis L. and Japan’s C.japonica Choisy. The main difference between the two is that the stems of Chinese cinnabons are thin, mostly flowers, clustered, with white corolla and two styles. Japanese dusarium stalks thicker, often with purple tumor-like spots, inflorescence spike-shaped, corolla green-white, style connate, stigma two split (Figure 1,2).