উত্তর সমূহ

  1. সৈয়দা সিফাত জাহান, উপজেলা কৃষি অফিসার, কালীগঞ্জ, লালমনিরহাট

    1. Rice seedlings often show white bands (rings) at the leaf that started at soil line. Freeze leaf spots  are formed when dew or water drops on young and tender leaves freeze at night. Seedling stands are not usually affected by the white bands or freeze spots as long as the seedlings continue growing.Figure 3. Freezing nights in early spring often result in white bands2. Rice seeds having kanamycin resistant gene as selection marker can produce albino plant,which stop chloroplast synthesis.