马家璋同志就目前棉花杂交育种中几个有争议的问题提出自己的看法。希各地有关同志也本着“百花齐放,百家争鸣”的精神,各抒己见,以促进这项工作的发展。 Comrade Ma Jiazhang put forward his own views on several controversial issues in cotton hybrid breeding. The relevant comrades on the Greek side also expressed their opinions in the spirit of “letting a hundred flowers bloom and a hundred schools of thought contend,” so as to promote the development of this work.